{"id":2256,"date":"2022-04-07T07:58:09","date_gmt":"2022-04-07T07:58:09","guid":{"rendered":"https:\/\/tuspipe.com\/?page_id=2256"},"modified":"2025-03-03T09:40:40","modified_gmt":"2025-03-03T09:40:40","slug":"jis-g3444","status":"publish","type":"page","link":"https:\/\/tuspipe.es\/it\/standards\/jis-g3444\/","title":{"rendered":"JIS G3444"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"2256\" class=\"elementor elementor-2256\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e00bb3c elementor-section-height-min-height elementor-section-boxed elementor-section-height-default elementor-section-items-middle\" data-id=\"e00bb3c\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0c398a0\" data-id=\"0c398a0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ca41724 elementor-widget elementor-widget-heading\" data-id=\"ca41724\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">JIS G3444<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fb1d0bc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fb1d0bc\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-7c5d89e\" data-id=\"7c5d89e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3e8e187 elementor-widget elementor-widget-image\" data-id=\"3e8e187\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2022\/08\/pipes-in-a-stack-1024x512.jpeg\" class=\"attachment-large size-large wp-image-6584\" alt=\"shows-JIS-G3444-STK290-Pipes-in-a-stack\" srcset=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2022\/08\/pipes-in-a-stack-1024x512.jpeg 1024w, https:\/\/tuspipe.es\/wp-content\/uploads\/2022\/08\/pipes-in-a-stack-300x150.jpeg 300w, https:\/\/tuspipe.es\/wp-content\/uploads\/2022\/08\/pipes-in-a-stack-768x384.jpeg 768w, https:\/\/tuspipe.es\/wp-content\/uploads\/2022\/08\/pipes-in-a-stack.jpeg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-06317f0\" data-id=\"06317f0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-02765f6 elementor-widget elementor-widget-heading\" data-id=\"02765f6\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">JIS G3444<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-286d45a elementor-view-default elementor-widget elementor-widget-icon\" data-id=\"286d45a\" data-element_type=\"widget\" data-widget_type=\"icon.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-wrapper\">\n\t\t\t<div class=\"elementor-icon\">\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"61\" height=\"20\" viewbox=\"0 0 61 20\" fill=\"none\"><g opacity=\"0.251214\"><path d=\"M1.74465 14.0849L46.4439 14.1741C47.5079 16.9728 49.6087 18.8814 52.0219 18.8844L52.0224 19.0939L7.78334 19.0284C5.28479 19.0253 2.82169 17.0034 1.74465 14.0849Z\" fill=\"#B1BEFE\"><\/path><path d=\"M46.3294 6.17041L1.68881 6.08127C2.71437 3.02779 5.16291 0.94167 7.73327 0.944828L51.9724 1.01028L51.9729 1.21982C49.4874 1.21678 47.3442 3.23612 46.3294 6.17041Z\" fill=\"#B1BEFE\"><\/path><path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M46.2178 5.83837C46.2178 5.83837 45.7109 8.32444 45.7146 10.2052C45.7184 12.086 46.4439 14.1741 46.4439 14.1741L1.74465 14.0849C1.74465 14.0849 0.0353038 8.19806 1.72799 5.74952C3.89979 5.87013 46.2178 5.83837 46.2178 5.83837Z\" fill=\"#B1BEFE\"><\/path><path d=\"M47.1047 9.93477C47.1142 13.8803 49.4011 17.0808 52.2125 17.0832C55.024 17.0856 57.2954 13.8891 57.286 9.94356C57.2765 5.99804 54.9897 2.79757 52.1782 2.79513C49.3668 2.7927 47.0953 5.98921 47.1047 9.93477Z\" fill=\"#0C2399\"><\/path><path opacity=\"0.654742\" fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M45.8099 8.32503C45.8099 8.32503 45.8149 10.7904 45.8175 12.0864C44.666 12.1905 1.15647 11.9972 1.15647 11.9972C1.15647 11.9972 0.909472 9.70358 1.14896 8.23584C2.02657 8.25033 45.8099 8.32503 45.8099 8.32503Z\" fill=\"white\"><\/path><path fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M52.0227 19.0939C48.4641 19.0895 45.5681 15.0378 45.5542 10.0441C45.5404 5.05049 48.4141 1.00587 51.9727 1.01026C55.5313 1.01464 58.4273 5.06633 58.4411 10.06C58.4549 15.0536 55.5813 19.0983 52.0227 19.0939ZM58.1027 9.96837C58.0786 5.27564 55.3468 1.46165 52.0009 1.44964C48.6551 1.43763 45.9624 5.23207 45.9865 9.9248C46.0106 14.6175 48.7425 18.4315 52.0883 18.4435C55.4341 18.4555 58.1268 14.6611 58.1027 9.96837Z\" fill=\"#0C2399\"><\/path><path d=\"M7.35472 19.0269L7.35472 19.0279C3.7961 19.0236 0.900087 14.9719 0.88628 9.97822C0.872473 4.98457 3.74609 0.939953 7.30469 0.94434L7.30469 0.945572C7.33927 0.944847 7.37392 0.944504 7.40863 0.944547L7.4092 1.15408C3.93307 1.14984 1.12607 5.1007 1.13957 9.97862C1.15307 14.8565 3.98197 18.8144 7.4581 18.8186L7.45867 19.0282C7.42396 19.0281 7.38931 19.0277 7.35472 19.0269Z\" fill=\"#0C2399\"><\/path><path d=\"M1.08887 11.8014C1.1095 11.9401 1.13168 12.078 1.15675 12.2143L45.9133 12.2807C45.8875 12.1443 45.8641 12.0066 45.843 11.8677L1.08887 11.8014Z\" fill=\"#0C2399\"><\/path><path d=\"M1.21774 7.99658C1.19179 8.16227 1.16871 8.32945 1.14933 8.4984L45.7877 8.56453C45.8076 8.39564 45.8305 8.2282 45.8571 8.06269L1.21774 7.99658Z\" fill=\"#0C2399\"><\/path><\/g><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-818f4c8 elementor-widget elementor-widget-text-editor\" data-id=\"818f4c8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>El\u00a0<a href=\"https:\/\/ja.wikipedia.org\/wiki\/%E6%97%A5%E6%9C%AC%E7%94%A3%E6%A5%AD%E8%A6%8F%E6%A0%BC%EF%BC%88%E9%89%84%E9%8B%BC%EF%BC%89%E3%81%AE%E4%B8%80%E8%A6%A7\" target=\"_blank\" rel=\"noopener\">Est\u00e1ndar Industrial Japon\u00e9s<\/a>\u00a0<a href=\"https:\/\/infostore.saiglobal.com\/en-us\/standards\/jis-g-3444-2004-624742_saig_jsa_jsa_1458308\/\" target=\"_blank\" rel=\"noopener\">JIS G3444<\/a>\u00a0\u00e8 il termine di paragone per i tubi di acero al carbonio utilizzati in applicazioni strutturali generiche e a bassa pressione, come ingegneria, architettura, pilotaggio, costruzione e altre applicazioni di carattere generale. I tubi di acero al carbonio sono noti anche come tubi di acero nero. La norma JIS G3444 riporta le dimensioni, le tolleranze, i metodi di prova e i materiali dei tubi di acero al carbonio utilizzati in applicazioni strutturali generali e a bassa pressione. L'elenco non contempla i tubi di acciaio al carbonio utilizzati in applicazioni ad alta pressione.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b28fd68 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"b28fd68\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs\" href=\"#elementor-action:action=popup:open&settings=eyJpZCI6IjQyODkiLCJ0b2dnbGUiOmZhbHNlfQ==\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">QUOTA ORA<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-42e5cf41 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"42e5cf41\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-61d65e11\" data-id=\"61d65e11\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5d9d2ce3 elementor-widget elementor-widget-heading\" data-id=\"5d9d2ce3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-medium\">\u00bfPor Qu\u00e9 Elegir TUSPIPE?<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1bf6c61c elementor-widget elementor-widget-image\" data-id=\"1bf6c61c\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"93\" height=\"89\" src=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2021\/10\/\u94a2\u7ba1-2\u5907\u4efd.png\" class=\"attachment-large size-large wp-image-103\" alt=\"tubo negro\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1301a580 elementor-widget elementor-widget-text-editor\" data-id=\"1301a580\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Dal 1998, Tianjin United Steel Pipe Co., Ltd (TUSPIPE) si \u00e8 impegnata a produrre tubi di alta qualit\u00e0.<\/p><p>Con oltre 500.000 tonnellate di capacit\u00e0 produttiva annua, l'azienda offre i suoi servizi a diversi settori e industrie, come lo sfruttamento e la trasmissione di petrolio e gas, la costruzione navale e di automobili, l'acqua e l'elettricit\u00e0, la protezione del medio ambiente, l'ingegneria meccanica, la costruzione di infrastrutture, ecc.<\/p><p>TUSPIPE attribuisce grande importanza alla qualit\u00e0 dei suoi prodotti e a un rigoroso controllo della loro qualit\u00e0. Al fine di mantenere un'ottima qualit\u00e0 dei prodotti, l'azienda ha istituito dal 2004 un Centro di Controllo e Ispezione. Con una serie di prove e attrezzature di controllo di ultima generazione, il centro di prova e controllo \u00e8 in grado di eseguire prove di tracciamento, prove idrauliche, prove di impatto, DWTT, ecc.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4d5c8f90 elementor-align-left elementor-widget elementor-widget-button\" data-id=\"4d5c8f90\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs\" href=\"https:\/\/tuspipe.es\/it\/about-tuspipe\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">vedere di pi\u00f9<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-319e766a\" data-id=\"319e766a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9fd7325 elementor-widget elementor-widget-image\" data-id=\"9fd7325\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2024\/08\/acero-al-carbono-1-1024x1024.png\" class=\"attachment-large size-large wp-image-20352\" alt=\"acero al carbono\" srcset=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2024\/08\/acero-al-carbono-1-1024x1024.png 1024w, https:\/\/tuspipe.es\/wp-content\/uploads\/2024\/08\/acero-al-carbono-1-300x300.png 300w, https:\/\/tuspipe.es\/wp-content\/uploads\/2024\/08\/acero-al-carbono-1-150x150.png 150w, https:\/\/tuspipe.es\/wp-content\/uploads\/2024\/08\/acero-al-carbono-1-768x768.png 768w, https:\/\/tuspipe.es\/wp-content\/uploads\/2024\/08\/acero-al-carbono-1-1536x1536.png 1536w, https:\/\/tuspipe.es\/wp-content\/uploads\/2024\/08\/acero-al-carbono-1-2048x2048.png 2048w, https:\/\/tuspipe.es\/wp-content\/uploads\/2024\/08\/elementor\/thumbs\/acero-al-carbono-1-qsokxm99x69a4p3c48r2v9fn9gnhxy6edrmkhonl04.png 450w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3124e16 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3124e16\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e44a360\" data-id=\"e44a360\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e1e0426 elementor-widget elementor-widget-spacer\" data-id=\"e1e0426\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e521cdc elementor-widget elementor-widget-heading\" data-id=\"e521cdc\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Grado di acero dei tubi JIS G3444<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-767dcce elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"767dcce\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2696100 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2696100\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-20 elementor-top-column elementor-element elementor-element-5b7833f\" data-id=\"5b7833f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3e4c3de elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"3e4c3de\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs elementor-animation-grow\" href=\"https:\/\/tuspipe.es\/it\/standards\/jis-g3444\/stk290\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">STK 290<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-20 elementor-top-column elementor-element elementor-element-f0bc709\" data-id=\"f0bc709\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-29adaee elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"29adaee\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs elementor-animation-grow\" href=\"https:\/\/tuspipe.es\/it\/standards\/jis-g3444\/stk400\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">STK 400<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-20 elementor-top-column elementor-element elementor-element-3d80753\" data-id=\"3d80753\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1367bb6 elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"1367bb6\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs elementor-animation-grow\" href=\"https:\/\/tuspipe.es\/it\/standards\/jis-g3444\/stk490\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">STK 490<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-20 elementor-top-column elementor-element elementor-element-e235611\" data-id=\"e235611\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-32c6b0d elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"32c6b0d\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs elementor-animation-grow\" href=\"https:\/\/tuspipe.es\/it\/standards\/jis-g3444\/stk500\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">STK 500<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-20 elementor-top-column elementor-element elementor-element-01da6a6\" data-id=\"01da6a6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d714c3b elementor-align-justify elementor-widget elementor-widget-button\" data-id=\"d714c3b\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-xs elementor-animation-grow\" href=\"https:\/\/tuspipe.es\/it\/standards\/jis-g3444\/stk540\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">STK 540<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-610a1b7 elementor-hidden-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"610a1b7\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5f999aa\" data-id=\"5f999aa\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5df09e2 elementor-widget elementor-widget-spacer\" data-id=\"5df09e2\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-724bf93 elementor-widget elementor-widget-heading\" data-id=\"724bf93\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Classificazione e simboli dei tubi di acero JIS G3444<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f6e4b45 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"f6e4b45\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-564708a elementor-widget elementor-widget-text-editor\" data-id=\"564708a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>I tubi JIS G3444 sono classificati in cinque gradi e i simboli del grado e del metodo di fabbricazione sono quelli indicati di seguito.<\/p><div class=\"table-gridtable\" style=\"width: 100%; overflow-x: auto;\"><table><tbody><tr><th rowspan=\"2\" width=\"245\">Simbolo di grado<\/th><th colspan=\"3\" width=\"735\">Simbolo del metodo di produzione<\/th><\/tr><tr><th width=\"245\">Metodo di fabbricazione dei tubi<\/th><th width=\"245\">Metodo di lavorazione<\/th><th width=\"245\">Marcado<\/th><\/tr><tr><td width=\"245\">STK 290<\/td><td rowspan=\"5\" width=\"245\">Sin costuras: S<br \/>Soldadura per resistenza elettrica: E<br \/>Soldadura a tope: B<br \/>Soldadura per arco automatico: A<\/td><td rowspan=\"5\" width=\"245\">Acabado en caliente: H<br \/>Acabado en fr\u00edo: C<br \/>Como soldado por resistencia el\u00e9ctrica: G<\/td><td rowspan=\"5\" width=\"245\">Tubo di acero senza saldature con chiusura a caldo: -S-H<br \/>Tubo di acero senza saldature con rivestimento in acciaio inox: -S-C<br \/>Tubo di acero venduto con resistenza elettrica: -E-G<br \/>Tubo di acciaio ERW rivestito in acciaio inox: -E-H<br \/>Tubo di acciaio ERW rivestito in acciaio inox: -E-C<br \/>Tubo di acero venduto a punta: -B<br \/>Tubo in acero venduto con arco automatico: -A<\/td><\/tr><tr><td width=\"245\">STK 400<\/td><\/tr><tr><td width=\"245\">STK 490<\/td><\/tr><tr><td width=\"245\">STK 500<\/td><\/tr><tr><td width=\"245\">STK 540<\/td><\/tr><tr><td colspan=\"4\" width=\"980\">1. Le dimensioni sono indicate dal diametro esterno e dalla larghezza della parete.<br \/>2. 2. Il nome del fabbricante o la sua marca identificativa.<br \/>3. Simbolo che indica il tipo di restauro (nel caso in cui si utilizzi una cappella di acero rigenerata o una foglia di acero rigenerata).<br \/>L'abbreviazione di questo simbolo \u00e8 concordata tra l'acquirente e il produttore.<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-aab66b2 elementor-hidden-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aab66b2\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9c3cca1\" data-id=\"9c3cca1\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1020526 elementor-widget elementor-widget-spacer\" data-id=\"1020526\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16c0ce4 elementor-widget elementor-widget-heading\" data-id=\"16c0ce4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Composizione chimica di JIS G3444<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e7e9030 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"e7e9030\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-222a40a elementor-widget elementor-widget-text-editor\" data-id=\"222a40a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>I tubi devono essere esaminati secondo la norma e i risultati dell'analisi termica devono coincidere con quelli della tabella seguente. Quando il cliente richiede un'analisi del prodotto, il tubo deve essere esaminato secondo la norma e i valori dell'analisi del prodotto acquistato devono soddisfare i criteri della tabella all'interno delle tolleranze specificate nella tabella JIS G 0321.<\/p><div class=\"table-gridtable\" style=\"width: 100%; overflow-x: auto;\"><table><tbody><tr><th width=\"165\">Simbolo di grado<\/th><th width=\"165\">C%<\/th><th width=\"165\">Si%<\/th><th width=\"165\">Mn%<\/th><th width=\"165\">P%<\/th><th width=\"165\">S%<\/th><\/tr><tr><td width=\"165\">JIS G3444 STK 290<\/td><td width=\"165\">-<\/td><td width=\"165\">-<\/td><td width=\"165\">-<\/td><td width=\"165\">0,050max.<\/td><td width=\"165\">0,050max.<\/td><\/tr><tr><td width=\"165\">JIS G3444 STK 400<\/td><td width=\"165\">0,25max.<\/td><td width=\"165\">-<\/td><td width=\"165\">-<\/td><td width=\"165\">0,040max.<\/td><td width=\"165\">0,040max.<\/td><\/tr><tr><td width=\"165\">JIS G3444 STK 490<\/td><td width=\"165\">0,18max.<\/td><td width=\"165\">0,55max.<\/td><td width=\"165\">1,65max.<\/td><td width=\"165\">0,035max.<\/td><td width=\"165\">0,035max.<\/td><\/tr><tr><td width=\"165\">JIS G3444 STK 500<\/td><td width=\"165\">0,24max.<\/td><td width=\"165\">0,35max.<\/td><td width=\"165\">Da 0,30 a 1,30<\/td><td width=\"165\">0,040max.<\/td><td width=\"165\">0,040max.<\/td><\/tr><tr><td width=\"165\">JIS G3444 STK 540<\/td><td width=\"165\">0,23max.<\/td><td width=\"165\">0,55max.<\/td><td width=\"165\">1,50max.<\/td><td width=\"165\">0,040max.<\/td><td width=\"165\">0,040max.<\/td><\/tr><tr><td colspan=\"6\" width=\"990\">Notas:<br \/>1. In caso di necessit\u00e0, \u00e8 possibile aggiungere altri elementi di allineamento diversi da quelli indicati in questa tabella.<br \/>2. Per l'STK540, la composizione chimica dei tubi di spessore superiore a 12,5 mm pu\u00f2 essere concordata tra l'acquirente e il produttore.<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d4e6ec1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d4e6ec1\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9a42496\" data-id=\"9a42496\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-09d6388 elementor-widget elementor-widget-spacer\" data-id=\"09d6388\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-546e558 elementor-widget elementor-widget-heading\" data-id=\"546e558\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Caratteristiche meccaniche di JIS G3444<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75efac5 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"75efac5\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-56310e5 elementor-widget elementor-widget-heading\" data-id=\"56310e5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">- Resistenza alla tracciatura e al limite di elasticit\u00e0 o tensione di prova<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e38a5b4 elementor-widget elementor-widget-text-editor\" data-id=\"e38a5b4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Per garantire la qualit\u00e0 dei tubi in acero, devono essere fabbricati con cappelle o feltri in acero di alta qualit\u00e0. Questi materiali devono essere sottoposti a prove per confermare la loro resistenza alla tracciatura, il livello di elasticit\u00e0 e la tensione di prova. Anche la resistenza alla tracciatura nella zona della selleria \u00e8 un fattore importante e deve essere confermata. Tuttavia, se l'acquirente lo approva, pu\u00f2 omettere la prova di resistenza alla trazione nella zona di saldatura. Tutti questi fattori sono importanti per garantire che i tubi di acero siano della massima qualit\u00e0 e possano sopportare qualsiasi tensione o peso imposto.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-85b7193 elementor-hidden-mobile elementor-widget elementor-widget-text-editor\" data-id=\"85b7193\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"table-gridtable\" style=\"width: 100%; overflow-x: auto;\"><table><tbody><tr><th rowspan=\"4\" width=\"165\">Simbolo di grado<\/th><th rowspan=\"2\" width=\"165\">Resistenza alla tracciabilit\u00e0<br \/>N\/mm2<\/th><th rowspan=\"2\" width=\"165\">Punto di fluidit\u00e0 o tensione della prova<br \/>N\/mm2<\/th><th rowspan=\"2\" width=\"165\">Tensione di saldatura<br \/>N\/mm2<\/th><th width=\"165\">Resistenza all'aplastamiento<\/th><th colspan=\"2\" width=\"330\">Flessibilit\u00e0<\/th><\/tr><tr><th width=\"165\">Distanza tra le piastre piane (H)<\/th><th width=\"165\">Angolo di scarico, a)<\/th><th width=\"165\">Interno radio<\/th><\/tr><tr><th colspan=\"6\" width=\"990\">Di\u00e1metro esterno applicabile<\/th><\/tr><tr><th width=\"165\">Tutti i diametri esterni<\/th><th width=\"165\">Tutti i diametri esterni<\/th><th width=\"165\">Tutti i diametri esterni<\/th><th width=\"165\">Tutti i diametri esterni<\/th><th colspan=\"2\" width=\"330\">50 mm o meno<\/th><\/tr><tr><td width=\"165\">JIS G3444 STK 290<\/td><td width=\"165\">290 min.<\/td><td width=\"165\">-<\/td><td width=\"165\">290 min.<\/td><td width=\"165\">2\/3D<\/td><td width=\"165\">90\u00b0<\/td><td width=\"165\">6D<\/td><\/tr><tr><td width=\"165\">JIS G3444 STK 400<\/td><td width=\"165\">400 min.<\/td><td width=\"165\">235 min.<\/td><td width=\"165\">400 min.<\/td><td width=\"165\">2\/3D<\/td><td width=\"165\">90\u00b0<\/td><td width=\"165\">6D<\/td><\/tr><tr><td width=\"165\">JIS G3444 STK 490<\/td><td width=\"165\">490 min.<\/td><td width=\"165\">315 min.<\/td><td width=\"165\">490 min.<\/td><td width=\"165\">7\/8D<\/td><td width=\"165\">90\u00b0<\/td><td width=\"165\">6D<\/td><\/tr><tr><td width=\"165\">JIS G3444 STK 500<\/td><td width=\"165\">500 min.<\/td><td width=\"165\">355 min.<\/td><td width=\"165\">500 min.<\/td><td width=\"165\">7\/8D<\/td><td width=\"165\">90\u00b0<\/td><td width=\"165\">6D<\/td><\/tr><tr><td width=\"165\">JIS G3444 STK 540<\/td><td width=\"165\">540 min.<\/td><td width=\"165\">390 min.<\/td><td width=\"165\">540 min.<\/td><td width=\"165\">7\/8D<\/td><td width=\"165\">90\u00b0<\/td><td width=\"165\">6D<\/td><\/tr><tr><td colspan=\"7\" width=\"1155\">NOTA 1: In questa tabella, D rappresenta il diametro esterno del tubo.<br \/>NOTA 2: 1 N\/mm\u00b2 = 1 MPa<br \/>Nota a): L'angolo di inclinazione viene misurato a partire dal punto di inizio della curva.<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-15d035a elementor-widget elementor-widget-heading\" data-id=\"15d035a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">-- Aplanamiento<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-45a3e1f elementor-widget elementor-widget-text-editor\" data-id=\"45a3e1f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La prova di planarit\u00e0 \u00e8 un metodo per rilevare difetti o ammaccature nei tubi di acero senza costi, nei tubi di acero saldati con resistenza elettrica o nei tubi di acero saldati a cima. La prova consiste nel collocare il tubo tra due piastre e applicare la pressione alla piastra superiore. La distanza tra le piastre viene regolata per garantire la precisione della prova. La prova di planarit\u00e0 \u00e8 una parte importante del controllo di qualit\u00e0 dei tubi in acero e contribuisce a garantire che i tubi siano privi di difetti.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d67551f elementor-widget elementor-widget-heading\" data-id=\"d67551f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">-Doblabilidad<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-451a907 elementor-widget elementor-widget-text-editor\" data-id=\"451a907\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>I tubi con un diametro esterno di 50 mm o meno possono essere specificati in base alla loro capacit\u00e0 di scarico e in base alla loro capacit\u00e0 di essere planati. Gli altri tubi devono essere testati per quanto riguarda la loro capacit\u00e0 di scarico secondo quanto stabilito dalla norma, e il pezzo da testare deve essere privo di difetti o griglie. L'angolo di scarico accettabile e la radio interna di scarico sono specificati nella tabella precedente. In questo modo si garantisce che i tubi soddisfino gli standard di sicurezza necessari e possano sopportare la quantit\u00e0 di pressione specificata.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-02161f0 elementor-hidden-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"02161f0\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2271633\" data-id=\"2271633\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5f0ec2f elementor-widget elementor-widget-spacer\" data-id=\"5f0ec2f\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b703659 elementor-widget elementor-widget-heading\" data-id=\"b703659\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Tolleranze dimensionali di JIS G3444<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34b9fbb elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"34b9fbb\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c054df elementor-widget elementor-widget-heading\" data-id=\"7c054df\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">- Tolleranza del di\u00e1metro esterno a)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2f9e64a elementor-widget elementor-widget-text-editor\" data-id=\"2f9e64a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"table-gridtable\" style=\"width: 100%; overflow-x: auto;\"><table><tbody><tr><th rowspan=\"2\" width=\"165\">Classificazione<\/th><th rowspan=\"2\" width=\"165\">Di\u00e1metro esterno b)<\/th><th width=\"165\">Tolleranze in<\/th><th rowspan=\"2\" width=\"343\">Divisione applicabile<\/th><\/tr><tr><th width=\"165\">Di\u00e1metro esterno c)<\/th><\/tr><tr><td rowspan=\"2\" width=\"165\">Classe 1<\/td><td width=\"165\">Sotto i 50 mm<\/td><td width=\"165\">\u00b1 0,5 mm<\/td><td rowspan=\"2\" width=\"343\">Si applica quando non ci sono specifiche.<br \/>Applicabile a tubi di acero non saldati e fissati a temperatura ambiente.<\/td><\/tr><tr><td width=\"165\">50 mm o pi\u00f9<\/td><td width=\"165\">\u00b1 1%<\/td><\/tr><tr><td rowspan=\"2\" width=\"165\">Classe 2<\/td><td width=\"165\">Sotto i 50 mm<\/td><td width=\"165\">\u00b1 0,25 mm<\/td><td rowspan=\"2\" width=\"343\">Si applica quando c'\u00e8 una specifica.<br \/>Non \u00e8 applicabile ai tubi di acero senza saldature, se sottoposti a temperature elevate.<\/td><\/tr><tr><td width=\"165\">50 mm o pi\u00f9<\/td><td width=\"165\">\u00b1 0,5%<\/td><\/tr><tr><td rowspan=\"3\" width=\"165\">Note<\/td><td colspan=\"3\" width=\"673\">a) Sia per le parti locali che per quelle riparate, se lo spessore della parete pu\u00f2 essere confermato all'interno della tolleranza indicata nella tabella seguente, non \u00e8 necessario applicare la tolleranza del diametro esterno di questa tabella.<\/td><\/tr><tr><td colspan=\"3\" width=\"673\">b) Il metodo per misurare il diametro esterno dei tubi che superano i 350 mm di diametro esterno pu\u00f2 essere determinato dalla lunghezza circolare. La conversione mutua del diametro esterno D e della lunghezza circolare l si realizza con la seguente formula:<br \/>D = l \/ \u03c0<br \/>Donde D: di\u00e1metro esterno (mm) l: longitudinale circunferenziale (mm) \u03c0: 3,1416<\/td><\/tr><tr><td colspan=\"3\" width=\"673\">c) Le tolleranze nel diametro esterno degli estremi dei tubi di acero venduti per resistenza elettrica e venduti per arco automatico che superano i 350 mm di diametro esterno sono di \u00b10,5%.<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-404c4ad elementor-widget elementor-widget-heading\" data-id=\"404c4ad\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">- Tolleranza dello spessoramento della pavimentazione a)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42631e5 elementor-widget elementor-widget-text-editor\" data-id=\"42631e5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"table-gridtable\" style=\"width: 100%; overflow-x: auto;\"><table><tbody><tr><th rowspan=\"2\" width=\"165\">Classificazione<\/th><th colspan=\"2\" width=\"330\">Per tubi di acero senza saldatura<\/th><th colspan=\"2\" width=\"330\">Per i tubi di acero che non sono dotati di saldatura<\/th><th rowspan=\"2\" width=\"165\">Divisione applicabile<\/th><\/tr><tr><th width=\"165\">Spianatoia<\/th><th width=\"165\">Tolleranza del supporto della pavimentazione<\/th><th width=\"165\">Spianatoia<\/th><th width=\"165\">Tolleranza del supporto della pavimentazione<\/th><\/tr><tr><td rowspan=\"3\" width=\"165\">Classe 1<\/td><td width=\"165\">Sotto i 4 mm<\/td><td width=\"165\">+0,6 mm, -0,5 mm<\/td><td width=\"165\">Sotto i 4 mm<\/td><td width=\"165\">+0,6 mm, -0,5 mm<\/td><td rowspan=\"3\" width=\"165\">Applicato quando esiste una specifica.<br \/>Non \u00e8 applicabile ai tubi di acero senza costi terminati a caldo.<\/td><\/tr><tr><td rowspan=\"2\" width=\"165\">4 mm o pi\u00f9<\/td><td rowspan=\"2\" width=\"165\">+15%, -12.5%<\/td><td width=\"165\">4 mm o superiore a 12 mm e oltre<\/td><td width=\"165\">+15%, -12.5%<\/td><\/tr><tr><td width=\"165\">12 mm o pi\u00f9<\/td><td width=\"165\">+15%, -1,5 mm<\/td><\/tr><tr><td rowspan=\"3\" width=\"165\">Classe 2<\/td><td width=\"165\">Sotto i 3 mm<\/td><td width=\"165\">\u00b10,3 mm<\/td><td width=\"165\">Sotto i 3 mm<\/td><td width=\"165\">\u00b1 0,3 mm<\/td><td rowspan=\"3\" width=\"165\">Applicato quando c'\u00e8 una specifica.<br \/>Non \u00e8 applicabile ai tubi di acero senza costi terminati a caldo.<\/td><\/tr><tr><td rowspan=\"2\" width=\"165\">3 mm o pi\u00f9<\/td><td rowspan=\"2\" width=\"165\">\u00b110%<\/td><td width=\"165\">3 mm o superiore a 12 mm e oltre<\/td><td width=\"165\">\u00b110%<\/td><\/tr><tr><td width=\"165\">12 mm o pi\u00f9<\/td><td width=\"165\">+10%\uff0c-1.2mm<\/td><\/tr><tr><td width=\"165\">Note<\/td><td colspan=\"5\" width=\"825\">a) Le tolleranze sullo spessore delle pareti dei tubi di diametro esterno superiore a 1016,0 mm possono essere concordate tra il produttore e l'acquirente.<\/td><\/tr><\/tbody><\/table><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6574182 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6574182\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-7f06e58\" data-id=\"7f06e58\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-dac5438 elementor-widget elementor-widget-image\" data-id=\"dac5438\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/tuspipe.es\/it\/products\/line-pipe\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2022\/02\/Line-Pipe.jpg\" class=\"elementor-animation-float attachment-large size-large wp-image-1136\" alt=\"Linea-tubo\" srcset=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2022\/02\/Line-Pipe.jpg 600w, https:\/\/tuspipe.es\/wp-content\/uploads\/2022\/02\/Line-Pipe-300x225.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Tubo di linea<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-cddd52d\" data-id=\"cddd52d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0ab4de3 elementor-widget elementor-widget-image\" data-id=\"0ab4de3\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/tuspipe.es\/it\/products\/coated-pipe\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2022\/02\/Pipe-Coating.jpg\" class=\"elementor-animation-float attachment-large size-large wp-image-1139\" alt=\"RIVESTIMENTO DEI TUBI\" srcset=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2022\/02\/Pipe-Coating.jpg 600w, https:\/\/tuspipe.es\/wp-content\/uploads\/2022\/02\/Pipe-Coating-300x225.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Tubo rivestito<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-4455010\" data-id=\"4455010\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-aedea5c elementor-widget elementor-widget-image\" data-id=\"aedea5c\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/tuspipe.es\/it\/products\/fire-sprinkler-pipe\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2022\/02\/Sprinkler-Pipe.jpg\" class=\"elementor-animation-float attachment-large size-large wp-image-1145\" alt=\"ASTM A795 Grado A\" srcset=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2022\/02\/Sprinkler-Pipe.jpg 600w, https:\/\/tuspipe.es\/wp-content\/uploads\/2022\/02\/Sprinkler-Pipe-300x225.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Tubo antincendio<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-8a5b5cc\" data-id=\"8a5b5cc\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-157e086 elementor-widget elementor-widget-image\" data-id=\"157e086\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/tuspipe.es\/it\/products\/steel-fabrication\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2022\/02\/Pipe-Fabrication.jpg\" class=\"elementor-animation-float attachment-large size-large wp-image-1140\" alt=\"Costruzione di tubi e piscine\" srcset=\"https:\/\/tuspipe.es\/wp-content\/uploads\/2022\/02\/Pipe-Fabrication.jpg 600w, https:\/\/tuspipe.es\/wp-content\/uploads\/2022\/02\/Pipe-Fabrication-300x225.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Lavorazione dell'acciaio<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>JIS G3444 JIS G3444 El Est\u00e1ndar Industrial Japon\u00e9s JIS G3444 es el est\u00e1ndar para tubos de acero al carbono utilizados en aplicaciones estructurales generales y de baja presci\u00f3n, como ingenier\u00eda, arquitectura, pilotes, construcci\u00f3n y autres aplicaciones de prop\u00f3sito general. I tubi di acero al carbonio sono noti anche come tubi di acero nero. L'indicatore JIS G3444 indica [...]<\/p>","protected":false},"author":3,"featured_media":0,"parent":3364,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"disabled","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-2256","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/tuspipe.es\/it\/wp-json\/wp\/v2\/pages\/2256","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tuspipe.es\/it\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/tuspipe.es\/it\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/tuspipe.es\/it\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/tuspipe.es\/it\/wp-json\/wp\/v2\/comments?post=2256"}],"version-history":[{"count":0,"href":"https:\/\/tuspipe.es\/it\/wp-json\/wp\/v2\/pages\/2256\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/tuspipe.es\/it\/wp-json\/wp\/v2\/pages\/3364"}],"wp:attachment":[{"href":"https:\/\/tuspipe.es\/it\/wp-json\/wp\/v2\/media?parent=2256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}