{"id":69564,"date":"2026-05-17T17:26:58","date_gmt":"2026-05-17T17:26:58","guid":{"rendered":"https:\/\/evgroupchina.com\/encyclopedia-of-metal\/jis-g3459\/"},"modified":"2026-05-19T15:29:35","modified_gmt":"2026-05-19T15:29:35","slug":"jis-g3459","status":"publish","type":"wiki","link":"https:\/\/evgroupchina.com\/en\/encyclopedia-of-metal\/jis-g3459\/","title":{"rendered":"JIS G3459"},"content":{"rendered":"<h2>Specification and Purpose of Pipes According to JIS G3459<\/h2>\n<p>The Japanese Industrial Standard JIS G3459 defines the technical requirements for seamless and welded corrosion-resistant steel pipes. These products, supplied by EV Group China, are intended for the installation of piping systems operating in aggressive environments, as well as under extreme temperature conditions \u2014 from cryogenic to high-temperature processes.<\/p>\n<p><strong>Technical Notes:<\/strong><\/p>\n<p>Upon agreement with the customer, additional quality requirements reflected in the standard&#8217;s appendices can be included in the specification:<\/p>\n<ul>\n<li>Z2: Yield strength or stress control at elevated temperatures.<\/li>\n<li>Z3: Ultrasonic Testing (UT).<\/li>\n<li>Z4: Eddy current testing for structural integrity.<\/li>\n<li>Z6: Intergranular corrosion resistance testing.<\/li>\n<\/ul>\n<h2>Steel Grade Classification and Heat Treatment Regimes<\/h2>\n<table class=\"table table-bordered table-hover\">\n<thead>\n<tr>\n<th>Classification<\/th>\n<th>Steel Grade<\/th>\n<th>Pipe Designation<\/th>\n<th>Heat Treatment (Temperature, \u00b0C)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td rowspan=\"19\">Austenitic pipes<\/td>\n<td>SUS 304<\/td>\n<td>SUS304TP<\/td>\n<td>1010 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 304H<\/td>\n<td>SUS304HTP<\/td>\n<td>1040 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 304L<\/td>\n<td>SUS304LTP<\/td>\n<td>1010 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 309<\/td>\n<td>SUS309TP<\/td>\n<td>1030 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 309S<\/td>\n<td>SUS309STP<\/td>\n<td>1030 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 310<\/td>\n<td>SUS310TP<\/td>\n<td>1030 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 310S<\/td>\n<td>SUS310STP<\/td>\n<td>1030 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 316<\/td>\n<td>SUS316TP<\/td>\n<td>1010 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 316H<\/td>\n<td>SUS316HTP<\/td>\n<td>1040 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 316L<\/td>\n<td>SUS316LTP<\/td>\n<td>1010 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 316Ti<\/td>\n<td>SUS316TiTP<\/td>\n<td>920 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 317<\/td>\n<td>SUS317TP<\/td>\n<td>1010 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 317L<\/td>\n<td>SUS317LTP<\/td>\n<td>1010 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 836L<\/td>\n<td>SUS836LTP<\/td>\n<td>1030 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 890L<\/td>\n<td>SUS890LTP<\/td>\n<td>1030 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 321<\/td>\n<td>SUS321TP<\/td>\n<td>920 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 321H<\/td>\n<td>SUS321HTP<\/td>\n<td>1095 cold finish \/ 1050 hot finish, rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 347<\/td>\n<td>SUS347TP<\/td>\n<td>980 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 347H<\/td>\n<td>SUS347H<\/td>\n<td>1095 cold finish \/ 1050 hot finish, rapid cooling<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">Austenitic-ferritic pipes<\/td>\n<td>SUS 329J1<\/td>\n<td>SUS329J1LTP<\/td>\n<td>950 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 329J3L<\/td>\n<td>SUS329J3LTP<\/td>\n<td>950 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 329J4L<\/td>\n<td>SUS329J4LTP<\/td>\n<td>950 min., rapid cooling<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"7\">Ferritic pipes<\/td>\n<td>SUS 430<\/td>\n<td>SUS430TP<\/td>\n<td>Annealing from 700, slow cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 409L<\/td>\n<td>SUS409LTP<\/td>\n<td>Annealing from 700, slow cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 430LX<\/td>\n<td>SUS430LXTP<\/td>\n<td>Annealing from 700, slow cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 430J1L<\/td>\n<td>SUS430J1LTP<\/td>\n<td>Annealing from 700, slow cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 436<\/td>\n<td>SUS436TP<\/td>\n<td>Annealing from 700, slow cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 436L<\/td>\n<td>SUS436L<\/td>\n<td>Annealing from 720, slow cooling<\/td>\n<\/tr>\n<tr>\n<td>SUS 444<\/td>\n<td>SUS444<\/td>\n<td>Annealing from 720, slow cooling<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":0,"template":"","meta":[],"wiki_category":[118],"class_list":["post-69564","wiki","type-wiki","status-publish","hentry","wiki_category-jis"],"_links":{"self":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/69564","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/69564\/revisions"}],"wp:attachment":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/media?parent=69564"}],"wp:term":[{"taxonomy":"wiki_category","embeddable":true,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki_category?post=69564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}