{"id":4996,"date":"2019-05-09T06:20:18","date_gmt":"2019-05-09T06:20:18","guid":{"rendered":"https:\/\/www.kaysuns.com\/?page_id=4996"},"modified":"2026-01-29T03:45:44","modified_gmt":"2026-01-29T03:45:44","slug":"tubo-de-aco-inoxidavel-317-317l","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/pt\/blog\/tubo-de-aco-inoxidavel-317-317l\/","title":{"rendered":"317\/317L Tubo de a\u00e7o inoxid\u00e1vel"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"4996\" class=\"elementor elementor-4996\" data-elementor-post-type=\"blog\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-682642c1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"682642c1\" 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-100 elementor-top-column elementor-element elementor-element-77a013db\" data-id=\"77a013db\" 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-705271f0 elementor-widget elementor-widget-text-editor\" data-id=\"705271f0\" 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<h2 style=\"text-align: left;\"><strong>317\/317L Tubo de a\u00e7o inoxid\u00e1vel<\/strong><\/h2>\n<strong>Tubo de a\u00e7o inoxid\u00e1vel 317L<\/strong>tamb\u00e9m conhecido como UNS S31703 e Tubo SS Grau 317L, \u00e9 um tubo SS de baixo carbono de alta qualidade <a href=\"\/pt\/tubos-de-aco-inoxidavel\/\" target=\"_blank\">tubo de a\u00e7o inoxid\u00e1vel<\/a>com uma boa resist\u00eancia \u00e0 corros\u00e3o e desempenho de trabalho da m\u00e1quina. Comparado ao a\u00e7o inoxid\u00e1vel 317L, 317 tem um maior teor de carbono, isto significa que o a\u00e7o inoxid\u00e1vel 317 tem uma melhor resist\u00eancia ao calor. A Kaysuns fornece tubos de a\u00e7o inoxid\u00e1vel 317 e 317L, e a classe dupla 317\/317L est\u00e1 dispon\u00edvel com base nos requisitos da ASTM A312 ou EN10216-5, etc.\n\n<figure id=\"attachment_4998\" aria-describedby=\"caption-attachment-4998\" style=\"width: 604px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/05\/IMG_20170504_0907221.jpg\" target=\"_blank\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-large wp-image-4998\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/05\/IMG_20170504_0907221-1024x577.jpg\" alt=\"Tubos de a\u00e7o inoxid\u00e1vel 317L\" width=\"604\" height=\"340\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/05\/IMG_20170504_0907221-1024x577.jpg 1024w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/05\/IMG_20170504_0907221-300x169.jpg 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/05\/IMG_20170504_0907221-768x433.jpg 768w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/05\/IMG_20170504_0907221.jpg 2000w\" sizes=\"(max-width: 604px) 100vw, 604px\" \/><\/a><figcaption id=\"caption-attachment-4998\" class=\"wp-caption-text\">317\/317L tubos de a\u00e7o inoxid\u00e1vel<\/figcaption><\/figure>\n<h3 style=\"text-align: left;\"><strong>Composi\u00e7\u00e3o qu\u00edmica de\u00a0<\/strong><strong>Tubo de a\u00e7o inoxid\u00e1vel 317L ASTM A312, ASTM A269, ASTM A213<\/strong><\/h3>\n<table class=\"table table-hover\" border=\"1\" width=\"100%\" cellspacing=\"1\" cellpadding=\"1\">\n<tbody>\n<tr>\n<td nowrap=\"nowrap\" bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>Grau<\/strong><\/p>\n<\/td>\n<td bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>C<\/strong><\/p>\n<\/td>\n<td bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>Mn<\/strong><\/p>\n<\/td>\n<td bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>P<\/strong><\/p>\n<\/td>\n<td bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>S<\/strong><\/p>\n<\/td>\n<td bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>Si<\/strong><\/p>\n<\/td>\n<td bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>Ni<\/strong><\/p>\n<\/td>\n<td bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>Cr<\/strong><\/p>\n<\/td>\n<td bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>Mo<\/strong><\/p>\n<\/td>\n<td bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>Peso %<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\" nowrap=\"nowrap\">\n<p align=\"center\">TP317<\/p>\n<\/td>\n<td valign=\"top\">\n<p align=\"center\"><\/p>\n<\/td>\n<td valign=\"top\">\n<p align=\"center\"><\/p>\n<\/td>\n<td valign=\"top\">\n<p align=\"center\"><\/p>\n<\/td>\n<td valign=\"top\">\n<p align=\"center\"><\/p>\n<\/td>\n<td>\n<p align=\"center\"><\/p>\n<\/td>\n<td>\n<p align=\"center\">11.00<\/p>\n<\/td>\n<td valign=\"top\">\n<p align=\"center\">18.00<\/p>\n<\/td>\n<td>\n<p align=\"center\">3.00<\/p>\n<\/td>\n<td>\n<p align=\"center\">Min.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\">\n<p align=\"center\">0.08<\/p>\n<\/td>\n<td valign=\"top\">\n<p align=\"center\">2.00<\/p>\n<\/td>\n<td valign=\"top\">\n<p align=\"center\">0.045<\/p>\n<\/td>\n<td valign=\"top\">\n<p align=\"center\">0.030<\/p>\n<\/td>\n<td>\n<p align=\"center\">1.00<\/p>\n<\/td>\n<td>\n<p align=\"center\">14.00<\/p>\n<\/td>\n<td valign=\"top\">\n<p align=\"center\">20.00<\/p>\n<\/td>\n<td>\n<p align=\"center\">4.00<\/p>\n<\/td>\n<td>\n<p align=\"center\">M\u00e1x.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\" nowrap=\"nowrap\">\n<p align=\"center\">TP317L<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\"><\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\"><\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\"><\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\"><\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\"><\/p>\n<\/td>\n<td>\n<p align=\"center\">11.00<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">18.00<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">3.00<\/p>\n<\/td>\n<td>\n<p align=\"center\">Min.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td nowrap=\"nowrap\">\n<p align=\"center\">0.035<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">2.00<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">0.045<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">0.03<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">1.00<\/p>\n<\/td>\n<td>\n<p align=\"center\">15.00<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">20.00<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">4.00<\/p>\n<\/td>\n<td>\n<p align=\"center\">M\u00e1x.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><\/h3>\n<h3 style=\"text-align: left;\"><strong>Propriedades mec\u00e2nicas da tubula\u00e7\u00e3o de a\u00e7o inoxid\u00e1vel 317L ASTM A269, ASTM A213,\u00a0<\/strong><strong>ASTM A312<\/strong><\/h3>\n<table class=\"table table-hover\" border=\"1\" width=\"100%\" cellspacing=\"1\" cellpadding=\"1\">\n<tbody>\n<tr>\n<td nowrap=\"nowrap\" bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>Grau<\/strong><\/p>\n<\/td>\n<td bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>Resist\u00eancia \u00e0 tra\u00e7\u00e3o, Min. Mpa<\/strong><\/p>\n<\/td>\n<td nowrap=\"nowrap\" bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>Resist\u00eancia ao Rendimento, Min. Mpa<\/strong><\/p>\n<\/td>\n<td nowrap=\"nowrap\" bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>Longitudinal<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td nowrap=\"nowrap\">\n<p align=\"center\">TP317<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">515<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">205<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">35<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td nowrap=\"nowrap\">\n<p align=\"center\">TP317L<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">515<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">205<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">35<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><\/h3>\n<h3 style=\"text-align: left;\"><strong>Fabrica\u00e7\u00e3o e dimens\u00f5es dispon\u00edveis para tubos de a\u00e7o inoxid\u00e1vel 317L<\/strong><\/h3>\nASTM A312, ASTM A269, ASTM A213, ASTM A249, ASTM A358, EN10216-5, EN10217-7, <strong>DIN 17456, DIN 17455, <\/strong><em>GOST <\/em>9941, JIS G3459, JIS G3463 etc.\n<h3 style=\"text-align: left;\"><strong>Caracter\u00edsticas dos tubos de a\u00e7o inoxid\u00e1vel 317\/317L<\/strong><\/h3>\n<figure id=\"attachment_4999\" aria-describedby=\"caption-attachment-4999\" style=\"width: 181px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/05\/IMG_20170503_1548201.jpg\" target=\"_blank\"><img decoding=\"async\" class=\"wp-image-4999 size-medium\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/05\/IMG_20170503_1548201-181x300.jpg\" alt=\"317 \/ 317L tubos de a\u00e7o inoxid\u00e1vel Teste PMI\" width=\"181\" height=\"300\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/05\/IMG_20170503_1548201-181x300.jpg 181w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/05\/IMG_20170503_1548201-768x1275.jpg 768w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/05\/IMG_20170503_1548201-617x1024.jpg 617w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/05\/IMG_20170503_1548201.jpg 1000w\" sizes=\"(max-width: 181px) 100vw, 181px\" \/><\/a><figcaption id=\"caption-attachment-4999\" class=\"wp-caption-text\">317\/317L Teste PMI Tubos de A\u00e7o Inoxid\u00e1vel<\/figcaption><\/figure>\n<ul>\n \t<li>Em termos de composi\u00e7\u00e3o qu\u00edmica, o cromo, o n\u00edquel e o <a href=\"https:\/\/www.kaysuns.com\/pt\/papel-do-molibdenio-em-tubos-e-conexoes-de-aco-inoxidavel\/\" target=\"_blank\" rel=\"noopener\">molibd\u00eanio<\/a> do tubo de a\u00e7o inoxid\u00e1vel 317L s\u00e3o aumentados em 2%, 1% e 1% em compara\u00e7\u00e3o com o tubo de a\u00e7o inoxid\u00e1vel 316L. Os tr\u00eas s\u00e3o os principais elementos que determinam o desempenho do tubo de a\u00e7o inoxid\u00e1vel. Refletido na resist\u00eancia \u00e0 corros\u00e3o por pite, o desempenho do <a href=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/05\/317L-Stainless-Steel.pdf\" target=\"_blank\">A\u00e7o inoxid\u00e1vel 317L<\/a> \u00e9 melhor que o a\u00e7o inoxid\u00e1vel 304L e 316L.<\/li>\n<\/ul>\n<ul>\n \t<li>A resist\u00eancia \u00e0 corros\u00e3o do a\u00e7o inoxid\u00e1vel 317L \u00e9 semelhante ao a\u00e7o inoxid\u00e1vel 316L sem estian. O alto teor de molibd\u00eanio garante uma melhor resist\u00eancia \u00e0 corros\u00e3o geral e local para a maioria dos meios - como \u00e1cido sulf\u00farico, cloro \u00e1cido e \u00e1cido fosf\u00f3rico. Em \u00e1cidos oxidantes fortes, como o \u00e1cido n\u00edtrico, o a\u00e7o inoxid\u00e1vel 317L \u00e9 suscet\u00edvel \u00e0 corros\u00e3o.<\/li>\n<\/ul>\n<ul>\n \t<li>O desempenho do a\u00e7o inoxid\u00e1vel 317L \u00e9 basicamente o mesmo do a\u00e7o inoxid\u00e1vel 317. Devido ao menor teor de carbono, o desempenho de soldagem do tubo de a\u00e7o inoxid\u00e1vel 317L e do tubo de a\u00e7o inoxid\u00e1vel 317L \u00e9 muito melhor. <a href=\"https:\/\/www.kaysuns.com\/pt\/perigo-oculto-da-corrosao-intergranular\/\" target=\"_blank\" rel=\"noopener\">corros\u00e3o intergranular<\/a> O desempenho de resist\u00eancia em alta temperatura (427~816 \u00b0C) \u00e9 melhor do que o do tubo 317 ss.<\/li>\n<\/ul>\n<h3><\/h3>\n<h3 style=\"text-align: left;\"><strong>Compara\u00e7\u00e3o de material de 317\/317L A\u00e7o inoxid\u00e1vel ASTM \/ PT \/JIS<\/strong><\/h3>\n<table class=\"table table-hover\" border=\"1\" width=\"100%\" cellspacing=\"1\" cellpadding=\"1\">\n<tbody>\n<tr>\n<td colspan=\"2\" nowrap=\"nowrap\" bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>China - GB<\/strong><\/p>\n<\/td>\n<td nowrap=\"nowrap\" bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>Jap\u00e3o<\/strong><\/p>\n<\/td>\n<td colspan=\"2\" nowrap=\"nowrap\" bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>EUA<\/strong><\/p>\n<\/td>\n<td rowspan=\"2\" nowrap=\"nowrap\" bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>KS<\/strong><\/p>\n<\/td>\n<td rowspan=\"2\" nowrap=\"nowrap\" bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>PT\/DIN<\/strong><\/p>\n<\/td>\n<td rowspan=\"2\" bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>AS<\/strong><\/p>\n<\/td>\n<td rowspan=\"2\" bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>CNS<\/strong><\/p>\n<\/td>\n<td nowrap=\"nowrap\" bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>DIN<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>Grau<\/strong><\/p>\n<\/td>\n<td bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>Novo(GB24511)<\/strong><\/p>\n<\/td>\n<td nowrap=\"nowrap\" bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>JIS<\/strong><\/p>\n<\/td>\n<td nowrap=\"nowrap\" bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>ASTM<\/strong><\/p>\n<\/td>\n<td nowrap=\"nowrap\" bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>UNS<\/strong><\/p>\n<\/td>\n<td nowrap=\"nowrap\" bgcolor=\"#00a0e9\">\n<p align=\"center\"><strong>Grau<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td nowrap=\"nowrap\">\n<p align=\"center\">S31708<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">06Cr19Ni13Mo3<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">SUS317<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">317<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">S31700<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">STS317<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">1.4449<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">317<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">317<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">\u00a0X5CrNiMo1713<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td nowrap=\"nowrap\">\n<p align=\"center\">S31703<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">022Cr19Ni13Mo3<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">SUS317L<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">317L<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">S31703<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">STS317L<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">1.4438<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">317L<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">317L<\/p>\n<\/td>\n<td nowrap=\"nowrap\">\n<p align=\"center\">X2CrNiMo18-15-4<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: left;\"><strong>Aplica\u00e7\u00e3o<\/strong><\/p>\nO a\u00e7o inoxid\u00e1vel 317 &amp; 317L \u00e9 comumente usado em sistemas de dessulfura\u00e7\u00e3o de gases de combust\u00e3o, processamento qu\u00edmico e petroqu\u00edmico, ind\u00fastrias aliment\u00edcias e de bebidas, refino de petr\u00f3leo, condensadores para equipamentos geradores, ind\u00fastria de papel, etc. A Kaysuns fornece tubos de a\u00e7o inoxid\u00e1vel de grau duplo 317\/317L com mais de 10 anos de experi\u00eancia.\n\n<hr \/>\n\n<div>\n\n<img decoding=\"async\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2016\/05\/pdf-icon1.png\" alt=\"\" width=\"24\" height=\"24\" \/><a href=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/05\/Dimension-and-Wall-Thickness-To-ANSI-B36.19B36.10.pdf\" target=\"_blank\">Dimens\u00e3o e espessura de parede do tubo de a\u00e7o inoxid\u00e1vel 317L para ANSI B36.19\/B36.10<\/a>\n\n<img decoding=\"async\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2016\/05\/pdf-icon1.png\" alt=\"\" width=\"24\" height=\"24\" \/><a href=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/05\/Tolerance-Permissible-Variations-for-PipeTube.pdf\" target=\"_blank\">Toler\u00e2ncia e varia\u00e7\u00f5es permitidas para tubos e tubos de a\u00e7o inoxid\u00e1vel<\/a>\n\n<img decoding=\"async\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2016\/05\/pdf-icon1.png\" alt=\"\" width=\"24\" height=\"24\" \/><a href=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/05\/317L-Stainless-Steel.pdf\" target=\"_blank\">Tubos AISI 317L<\/a>\n\n<\/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<\/div>","protected":false},"featured_media":4997,"template":"","categories":[],"tags":[],"class_list":["post-4996","blog","type-blog","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>317L Stainless Steel Pipe and Tubing - ASTM A312, A213 | KAYSUNS<\/title>\n<meta name=\"description\" content=\"Best supplier of 317, 317L stainless steel pipe and tube in China, 317L tube to ASTM A312, A213, A269, EN 10216-5, small order available.\" \/>\n<meta name=\"robots\" content=\"index, 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