{"id":5758,"date":"2021-03-07T01:09:45","date_gmt":"2021-03-07T01:09:45","guid":{"rendered":"https:\/\/www.stvvalves.com\/?p=5758"},"modified":"2021-03-07T01:09:45","modified_gmt":"2021-03-07T01:09:45","slug":"astm-material-specifications-for-valves","status":"publish","type":"post","link":"https:\/\/www.stvvalves.com\/ro\/astm-material-specifications-for-valves\/","title":{"rendered":"Specifica\u021bii materiale ASTM pentru supape"},"content":{"rendered":"<p>Afla\u021bi despre specifica\u021biile cheie ale materialelor ASTM pentru supape. Un corp de supap\u0103 turnat este fabricat prin turnarea metalelor lichide \u00een matri\u021be \u0219i este obi\u0219nuit pentru supapele cu diametrul de peste 2 inci. Un corp de supap\u0103 forjat este produs prin forjarea \u0219i prelucrarea o\u021belului solid. Specifica\u021biile cheie pentru materialele corpului supapelor din o\u021bel turnat sunt ASTM A216 (WCA, WCB, WCC), ASTM A352 LCB\/LCC (temperatur\u0103 joas\u0103) \u0219i ASTM A351 CF8\/CF8M. ASTM A105, A350 \u0219i A182 acoper\u0103 materialele corpului pentru supape forjate de dimensiuni mici (sau presiune \u00eenalt\u0103).<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.stvvalves.com\/ro\/astm-material-specifications-for-valves\/#CAST_STEEL_VALVES\" >SUPPAPE DE O\u021aEL TURNAT<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.stvvalves.com\/ro\/astm-material-specifications-for-valves\/#ASTM_A216_WCA_WCB_WCC_CARBON_STEEL_HIGH-TEMP\" >ASTM A216 WCA, WCB, WCC (O\u021aEL CARBON LA TEMPERATURA \u00ceNALT\u0102)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.stvvalves.com\/ro\/astm-material-specifications-for-valves\/#ASTM_A352_LCBLCC_CARBON_STEEL_LOW-TEMP\" >ASTM A352 LCB\/LCC (O\u021aEL CARBON LA TEMP.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.stvvalves.com\/ro\/astm-material-specifications-for-valves\/#ASTM_A351_CF8CF8M_STAINLESS_STEEL\" >ASTM A351 CF8\/CF8M (O\u021aEL INOXIDABLE)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.stvvalves.com\/ro\/astm-material-specifications-for-valves\/#MECHANICAL_PROPERTIES_CAST_STEEL_VALVES_CHART\" >PROPRIET\u0102\u021aI MECANICE TABL\u0102 SUPAPELE DIN O\u021aEL TURNAT<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.stvvalves.com\/ro\/astm-material-specifications-for-valves\/#RECOMMENDED_SERVICE_CAST_VALVE_MATERIALS\" >SERVICIU RECOMANDAT (MATERIALE VALVE TURNATE)<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"CAST_STEEL_VALVES\"><\/span><a href=\"https:\/\/www.stvvalves.com\/ro\/wholesale\/gate-valve\/cast-steel-gate-valve\/\">SUPPAPE DE O\u021aEL TURNAT<\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1306\" src=\"https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2017\/09\/1505908241-7177-Valvebody.jpg\" sizes=\"auto, (max-width: 293px) 100vw, 293px\" srcset=\"https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2017\/09\/1505908241-7177-Valvebody.jpg 725w, https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2017\/09\/1505908241-7177-Valvebody-300x217.jpg 300w, https:\/\/blog.projectmaterials.com\/wp-content\/uploads\/2017\/09\/1505908241-7177-Valvebody-150x109.jpg 150w\" alt=\"1505908241-7177-Valvebody\" width=\"293\" height=\"212\" \/><\/p>\n<p>\u00cen primul r\u00e2nd, s\u0103 clarific\u0103m diferen\u021ba dintre supapa turnat\u0103 \u0219i cea forjat\u0103, chiar dac\u0103 poate p\u0103rea evident\u0103: supapele turnate au o turnare\u00a0<em>corp<\/em>, supapele forjate au un forjat\u00a0<em>corp<\/em>. Asta este! Diferen\u021ba se refer\u0103 la tehnica de construc\u021bie a materialului corpului supapei, adic\u0103 forjarea sau turnarea o\u021belului.<\/p>\n<p>S\u0103 analiz\u0103m acum materialele cheie ale corpului supapei turnate.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ASTM_A216_WCA_WCB_WCC_CARBON_STEEL_HIGH-TEMP\"><\/span>ASTM A216 WCA, WCB, WCC (O\u021aEL CARBON LA TEMPERATURA \u00ceNALT\u0102)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"fv\" align=\"justify\">The\u00a0<a href=\"https:\/\/www.astm.org\/Standards\/A216.htm\" target=\"_blank\" rel=\"noopener\">Specifica\u021bia ASTM A216<\/a>\u00a0acoper\u0103 3 grade de o\u021bel carbon (<b>WCA, WCB,\u00a0<\/b>\u0219i<b>\u00a0WCC<\/b>), care prezint\u0103 u\u0219oare diferen\u021be \u00een ceea ce prive\u0219te propriet\u0103\u021bile chimice \u0219i mecanice. Aceste clase pentru corpurile de supape turnate se potrivesc cu \u021bevile din o\u021bel carbon din clasele A53, A106, API 5L.<\/p>\n<p>Piesele turnate din o\u021bel ASTM A216 vor fi tratate termic \u0219i pot fi fabricate \u00een condi\u021bii de recoacere, sau normalizate sau normalizate \u0219i revenite. Suprafa\u021ba pieselor turnate din o\u021bel nu trebuie s\u0103 aib\u0103 elemente aderente, cum ar fi nisip, fisuri, rupturi fierbin\u021bi \u0219i alte defecte.<\/p>\n<table class=\"table\">\n<tbody>\n<tr>\n<th colspan=\"11\"><strong>Supape din o\u021bel carbon ASTM A216 (turnate), diagram\u0103 materiale<\/strong><\/th>\n<\/tr>\n<tr>\n<td><strong>CLASA ASTM A216<\/strong><\/td>\n<td><strong>C<\/strong><\/td>\n<td><strong>Mn<\/strong><\/td>\n<td><strong>P<\/strong><\/td>\n<td><strong>S<\/strong><\/td>\n<td><strong>Si<\/strong><\/td>\n<td><strong>Cu<\/strong><\/td>\n<td><strong>Ni<\/strong><\/td>\n<td><strong>Cr<\/strong><\/td>\n<td><strong>lu<\/strong><\/td>\n<td><strong>V<\/strong><\/td>\n<\/tr>\n<tr>\n<td>WCA UNS J02502<\/td>\n<td class=\"text-center\">0.25(1)<\/td>\n<td class=\"text-center\">0.70(1)<\/td>\n<td class=\"text-center\">0.04<\/td>\n<td class=\"text-center\">0.045<\/td>\n<td class=\"text-center\">0.60<\/td>\n<td class=\"text-center\">0.30<\/td>\n<td class=\"text-center\">0.50<\/td>\n<td class=\"text-center\">0.50<\/td>\n<td class=\"text-center\">0.20<\/td>\n<td class=\"text-center\">1.00<\/td>\n<\/tr>\n<tr>\n<td>WCB UNS J03002<\/td>\n<td class=\"text-center\">0.30(2)<\/td>\n<td class=\"text-center\">1.00(2)<\/td>\n<td class=\"text-center\">0.04<\/td>\n<td class=\"text-center\">0.045<\/td>\n<td class=\"text-center\">0.60<\/td>\n<td class=\"text-center\">0.30<\/td>\n<td class=\"text-center\">0.50<\/td>\n<td class=\"text-center\">0.50<\/td>\n<td class=\"text-center\">0.20<\/td>\n<td class=\"text-center\">1.00<\/td>\n<\/tr>\n<tr>\n<td>WCC UNS J02503<\/td>\n<td class=\"text-center\">0.25(3)<\/td>\n<td class=\"text-center\">1.20(3)<\/td>\n<td class=\"text-center\">0.04<\/td>\n<td class=\"text-center\">0.045<\/td>\n<td class=\"text-center\">0.60<\/td>\n<td class=\"text-center\">0.30<\/td>\n<td class=\"text-center\">0.50<\/td>\n<td class=\"text-center\">0.50<\/td>\n<td class=\"text-center\">0.20<\/td>\n<td class=\"text-center\">1.00<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"notes\">\n<p>Note:<\/p>\n<ol>\n<li>Pentru fiecare reducere de 0,01% sub con\u021binutul maxim de carbon specificat, este permis\u0103 o cre\u0219tere de 0,04% mangan peste maximul specificat p\u00e2n\u0103 la un maxim de 1,10%.<\/li>\n<li>Pentru fiecare reducere de 0,01% sub con\u021binutul maxim de carbon specificat, este permis\u0103 o cre\u0219tere de 0,04% Mn peste maximul specificat p\u00e2n\u0103 la un maxim de 1,28%.<\/li>\n<li>Pentru fiecare reducere de 0,01% sub con\u021binutul maxim de carbon specificat, este permis\u0103 o cre\u0219tere de 0,04% mangan peste maximul specificat p\u00e2n\u0103 la un maxim de 1,40%.<\/li>\n<\/ol>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"ASTM_A352_LCBLCC_CARBON_STEEL_LOW-TEMP\"><\/span>ASTM A352 LCB\/LCC (O\u021aEL CARBON LA TEMP.<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/www.astm.org\/Standards\/A352.htm\" target=\"_blank\" rel=\"noopener\">ASTM A352<\/a>\u00a0specifica\u021bia acoper\u0103 mai multe clase de o\u021bel carbon la temperatur\u0103 joas\u0103 (numite LCA, LCB, LCC, LC1, LC2, LC3, LC4, LC9, CA6NM) pentru supape, flan\u0219e, fitinguri \u0219i alte piese care con\u021bin presiune din o\u021bel turnat.<\/p>\n<p>Compozi\u021bia chimic\u0103 a robinetelor turnate A352 Gr. LCA\/LCB\/LCC (diagrama materialului supapei):<\/p>\n<table width=\"1030\">\n<tbody>\n<tr>\n<td width=\"247\"><strong>NOTA<\/strong><\/td>\n<td width=\"87\"><strong>C<\/strong><\/td>\n<td width=\"87\"><strong>Si<\/strong><\/td>\n<td width=\"87\"><strong>Mn<\/strong><\/td>\n<td width=\"87\"><strong>Cr<\/strong><\/td>\n<td width=\"87\"><strong>lu<\/strong><\/td>\n<td width=\"87\"><strong>Ni<\/strong><\/td>\n<td width=\"87\"><strong>Cu<\/strong><\/td>\n<td width=\"87\"><strong>Nb<\/strong><\/td>\n<td width=\"87\"><strong>V<\/strong><\/td>\n<\/tr>\n<tr>\n<td>ASTM A352 LC3<\/td>\n<td>0.15<\/td>\n<td>0.6<\/td>\n<td>0.65<\/td>\n<td><\/td>\n<td><\/td>\n<td>3.5<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>ASTM A352 LCA<\/td>\n<td>0.25<\/td>\n<td>0.6<\/td>\n<td>0.7<\/td>\n<td>0.5<\/td>\n<td>0.2<\/td>\n<td>0.5<\/td>\n<td>0.3<\/td>\n<td><\/td>\n<td>0.03<\/td>\n<\/tr>\n<tr>\n<td>ASTM A352 LCB<\/td>\n<td>0.3<\/td>\n<td>0.6<\/td>\n<td>1<\/td>\n<td>0.5<\/td>\n<td>0.2<\/td>\n<td>0.5<\/td>\n<td>0.3<\/td>\n<td><\/td>\n<td>0.03<\/td>\n<\/tr>\n<tr>\n<td>ASTM A352 LCC<\/td>\n<td>0.25<\/td>\n<td>0.6<\/td>\n<td>1.2<\/td>\n<td>0.5<\/td>\n<td>0.2<\/td>\n<td>0.5<\/td>\n<td><\/td>\n<td><\/td>\n<td>0.03<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"ASTM_A351_CF8CF8M_STAINLESS_STEEL\"><\/span>ASTM A351 CF8\/CF8M (O\u021aEL INOXIDABLE)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>The\u00a0<a href=\"https:\/\/www.astm.org\/Standards\/A351.htm\" target=\"_blank\" rel=\"noopener\">ASTM A351<\/a>\u00a0specifica\u021bia acoper\u0103 piese turnate din o\u021bel austenitic pentru supape, flan\u0219e, fitinguri \u0219i alte piese care con\u021bin presiune.<\/p>\n<p>Cele mai comune clase sunt ASTM A351 CF3, CF8 (SS304) \u0219i CF8M (SS316).<\/p>\n<p>O\u021belul trebuie s\u0103 fie fabricat prin procedeul cuptorului electric cu sau f\u0103r\u0103 rafinare separat\u0103, cum ar fi decarburarea cu argon-oxigen.<\/p>\n<p>Orice pies\u0103 turnat\u0103 ASTM A351 trebuie s\u0103 primeasc\u0103 un tratament termic urmat de o stingere \u00een ap\u0103 sau de r\u0103cire rapid\u0103. O\u021belul trebuie s\u0103 se conformeze cerin\u021belor chimice \u0219i mecanice stabilite de caietul de sarcini.<span id=\"more-223\"><\/span><\/p>\n<p><strong>Supape din o\u021bel inoxidabil ASTM A351, compozi\u021bie chimic\u0103<\/strong><\/p>\n<div id=\"tablepress-10_wrapper\" class=\"dataTables_wrapper no-footer\">\n<div class=\"dataTables_scroll\">\n<div class=\"dataTables_scrollHead\">\n<div class=\"dataTables_scrollHeadInner\">\n<table class=\"tablepress tablepress-id-10 dataTable no-footer\" role=\"grid\">\n<thead>\n<tr class=\"row-1 odd\" role=\"row\">\n<th class=\"column-1 sorting_disabled\" colspan=\"1\" rowspan=\"1\">GRAD ASTM A351<\/th>\n<th class=\"column-2 sorting_disabled\" colspan=\"1\" rowspan=\"1\">UNS<\/th>\n<th class=\"column-3 sorting_disabled\" colspan=\"1\" rowspan=\"1\">C<\/th>\n<th class=\"column-4 sorting_disabled\" colspan=\"1\" rowspan=\"1\">Mn<\/th>\n<th class=\"column-5 sorting_disabled\" colspan=\"1\" rowspan=\"1\">Si<\/th>\n<th class=\"column-6 sorting_disabled\" colspan=\"1\" rowspan=\"1\">S<\/th>\n<th class=\"column-7 sorting_disabled\" colspan=\"1\" rowspan=\"1\">P<\/th>\n<th class=\"column-8 sorting_disabled\" colspan=\"1\" rowspan=\"1\">Cr<\/th>\n<th class=\"column-9 sorting_disabled\" colspan=\"1\" rowspan=\"1\">Ni<\/th>\n<th class=\"column-10 sorting_disabled\" colspan=\"1\" rowspan=\"1\">lu<\/th>\n<th class=\"column-11 sorting_disabled\" colspan=\"1\" rowspan=\"1\">Nb<\/th>\n<th class=\"column-12 sorting_disabled\" colspan=\"1\" rowspan=\"1\">V<\/th>\n<th class=\"column-13 sorting_disabled\" colspan=\"1\" rowspan=\"1\">N<\/th>\n<th class=\"column-14 sorting_disabled\" colspan=\"1\" rowspan=\"1\">Cu<\/th>\n<\/tr>\n<\/thead>\n<\/table>\n<\/div>\n<\/div>\n<div class=\"dataTables_scrollBody\">\n<table id=\"tablepress-10\" class=\"tablepress tablepress-id-10 dataTable no-footer\" role=\"grid\" aria-describedby=\"tablepress-10_info\">\n<thead>\n<tr class=\"row-1 odd\" role=\"row\">\n<th class=\"column-1 sorting_disabled\" colspan=\"1\" rowspan=\"1\">\n<div class=\"dataTables_sizing\"><\/div>\n<\/th>\n<th class=\"column-2 sorting_disabled\" colspan=\"1\" rowspan=\"1\">\n<div class=\"dataTables_sizing\"><\/div>\n<\/th>\n<th class=\"column-3 sorting_disabled\" colspan=\"1\" rowspan=\"1\">\n<div class=\"dataTables_sizing\"><\/div>\n<\/th>\n<th class=\"column-4 sorting_disabled\" colspan=\"1\" rowspan=\"1\">\n<div class=\"dataTables_sizing\"><\/div>\n<\/th>\n<th class=\"column-5 sorting_disabled\" colspan=\"1\" rowspan=\"1\">\n<div class=\"dataTables_sizing\"><\/div>\n<\/th>\n<th class=\"column-6 sorting_disabled\" colspan=\"1\" rowspan=\"1\">\n<div class=\"dataTables_sizing\"><\/div>\n<\/th>\n<th class=\"column-7 sorting_disabled\" colspan=\"1\" rowspan=\"1\">\n<div class=\"dataTables_sizing\"><\/div>\n<\/th>\n<th class=\"column-8 sorting_disabled\" colspan=\"1\" rowspan=\"1\">\n<div class=\"dataTables_sizing\"><\/div>\n<\/th>\n<th class=\"column-9 sorting_disabled\" colspan=\"1\" rowspan=\"1\">\n<div class=\"dataTables_sizing\"><\/div>\n<\/th>\n<th class=\"column-10 sorting_disabled\" colspan=\"1\" rowspan=\"1\">\n<div class=\"dataTables_sizing\"><\/div>\n<\/th>\n<th class=\"column-11 sorting_disabled\" colspan=\"1\" rowspan=\"1\">\n<div class=\"dataTables_sizing\"><\/div>\n<\/th>\n<th class=\"column-12 sorting_disabled\" colspan=\"1\" rowspan=\"1\">\n<div class=\"dataTables_sizing\"><\/div>\n<\/th>\n<th class=\"column-13 sorting_disabled\" colspan=\"1\" rowspan=\"1\">\n<div class=\"dataTables_sizing\"><\/div>\n<\/th>\n<th class=\"column-14 sorting_disabled\" colspan=\"1\" rowspan=\"1\">\n<div class=\"dataTables_sizing\"><\/div>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-hover\">\n<tr class=\"row-2 even\" role=\"row\">\n<td class=\"column-1\">CF3+CF3A<\/td>\n<td class=\"column-2\">J9270<\/td>\n<td class=\"column-3\">0.03<\/td>\n<td class=\"column-4\">1.5<\/td>\n<td class=\"column-5\">2<\/td>\n<td class=\"column-6\">0.04<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">17.0-21.0<\/td>\n<td class=\"column-9\">8.0-11.0<\/td>\n<td class=\"column-10\">0.5<\/td>\n<td class=\"column-11\"><\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\"><\/td>\n<td class=\"column-14\"><\/td>\n<\/tr>\n<tr class=\"row-3 odd\" role=\"row\">\n<td class=\"column-1\">CF8+CF8A<\/td>\n<td class=\"column-2\">J9260<\/td>\n<td class=\"column-3\">0.08<\/td>\n<td class=\"column-4\">1.5<\/td>\n<td class=\"column-5\">2<\/td>\n<td class=\"column-6\">0.04<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">18.0-21.0<\/td>\n<td class=\"column-9\">8.0-11.0<\/td>\n<td class=\"column-10\">0.5<\/td>\n<td class=\"column-11\"><\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\"><\/td>\n<td class=\"column-14\"><\/td>\n<\/tr>\n<tr class=\"row-4 even\" role=\"row\">\n<td class=\"column-1\">CF3M+CF3MA<\/td>\n<td class=\"column-2\">J9280<\/td>\n<td class=\"column-3\">0.03<\/td>\n<td class=\"column-4\">1.5<\/td>\n<td class=\"column-5\">1.5<\/td>\n<td class=\"column-6\">0.04<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">17.0-21.0<\/td>\n<td class=\"column-9\">9.0-13.0<\/td>\n<td class=\"column-10\">2.0-3.0<\/td>\n<td class=\"column-11\"><\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\"><\/td>\n<td class=\"column-14\"><\/td>\n<\/tr>\n<tr class=\"row-5 odd\" role=\"row\">\n<td class=\"column-1\">CF8M<\/td>\n<td class=\"column-2\">J9290<\/td>\n<td class=\"column-3\">0.08<\/td>\n<td class=\"column-4\">1.5<\/td>\n<td class=\"column-5\">1.5<\/td>\n<td class=\"column-6\">0.04<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">18.0-21.0<\/td>\n<td class=\"column-9\">9.0-12.0<\/td>\n<td class=\"column-10\">2.0-3.0<\/td>\n<td class=\"column-11\"><\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\"><\/td>\n<td class=\"column-14\"><\/td>\n<\/tr>\n<tr class=\"row-6 even\" role=\"row\">\n<td class=\"column-1\">CF3MN<\/td>\n<td class=\"column-2\">J92804<\/td>\n<td class=\"column-3\">0.03<\/td>\n<td class=\"column-4\">1.5<\/td>\n<td class=\"column-5\">1.5<\/td>\n<td class=\"column-6\">0.04<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">17.0-21.0<\/td>\n<td class=\"column-9\">9.0-13.0<\/td>\n<td class=\"column-10\">2.0-3.0<\/td>\n<td class=\"column-11\"><\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\">0.10-.20<\/td>\n<td class=\"column-14\"><\/td>\n<\/tr>\n<tr class=\"row-7 odd\" role=\"row\">\n<td class=\"column-1\">CF8C<\/td>\n<td class=\"column-2\">J92710<\/td>\n<td class=\"column-3\">0.08<\/td>\n<td class=\"column-4\">1.5<\/td>\n<td class=\"column-5\">2<\/td>\n<td class=\"column-6\">0.04<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">18.0-21.0<\/td>\n<td class=\"column-9\">9.0-12.0<\/td>\n<td class=\"column-10\">0.5<\/td>\n<td class=\"column-11\">-1<\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\"><\/td>\n<td class=\"column-14\"><\/td>\n<\/tr>\n<tr class=\"row-8 even\" role=\"row\">\n<td class=\"column-1\">CF10<\/td>\n<td class=\"column-2\">J92950<\/td>\n<td class=\"column-3\">0.04-0.10<\/td>\n<td class=\"column-4\">1.5<\/td>\n<td class=\"column-5\">2<\/td>\n<td class=\"column-6\">0.04<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">18.0-21.0<\/td>\n<td class=\"column-9\">8.0-11.0<\/td>\n<td class=\"column-10\">0.5<\/td>\n<td class=\"column-11\"><\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\"><\/td>\n<td class=\"column-14\"><\/td>\n<\/tr>\n<tr class=\"row-9 odd\" role=\"row\">\n<td class=\"column-1\">CF10M<\/td>\n<td class=\"column-2\">J92901<\/td>\n<td class=\"column-3\">0.04-0.10<\/td>\n<td class=\"column-4\">1.5<\/td>\n<td class=\"column-5\">1.5<\/td>\n<td class=\"column-6\">0.04<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">18.0-21.0<\/td>\n<td class=\"column-9\">9.0-12.0<\/td>\n<td class=\"column-10\">2.0-3.0<\/td>\n<td class=\"column-11\"><\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\"><\/td>\n<td class=\"column-14\"><\/td>\n<\/tr>\n<tr class=\"row-10 even\" role=\"row\">\n<td class=\"column-1\">CH8<\/td>\n<td class=\"column-2\">J9340<\/td>\n<td class=\"column-3\">0.08<\/td>\n<td class=\"column-4\">1.5<\/td>\n<td class=\"column-5\">1.5<\/td>\n<td class=\"column-6\">0.04<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">22.0-26.0<\/td>\n<td class=\"column-9\">12.-15.0<\/td>\n<td class=\"column-10\">0.5<\/td>\n<td class=\"column-11\"><\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\"><\/td>\n<td class=\"column-14\"><\/td>\n<\/tr>\n<tr class=\"row-11 odd\" role=\"row\">\n<td class=\"column-1\">CH10<\/td>\n<td class=\"column-2\">J93401<\/td>\n<td class=\"column-3\">0.04-0.10<\/td>\n<td class=\"column-4\">1.5<\/td>\n<td class=\"column-5\">2<\/td>\n<td class=\"column-6\">0.04<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">22.0-26.0<\/td>\n<td class=\"column-9\">12.-15.0<\/td>\n<td class=\"column-10\">0.5<\/td>\n<td class=\"column-11\"><\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\"><\/td>\n<td class=\"column-14\"><\/td>\n<\/tr>\n<tr class=\"row-12 even\" role=\"row\">\n<td class=\"column-1\">CH20<\/td>\n<td class=\"column-2\">J93402<\/td>\n<td class=\"column-3\">0.04-0.20<\/td>\n<td class=\"column-4\">1.5<\/td>\n<td class=\"column-5\">2<\/td>\n<td class=\"column-6\">0.04<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">22.0-26.0<\/td>\n<td class=\"column-9\">12.0-15.0<\/td>\n<td class=\"column-10\">0.5<\/td>\n<td class=\"column-11\"><\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\"><\/td>\n<td class=\"column-14\"><\/td>\n<\/tr>\n<tr class=\"row-13 odd\" role=\"row\">\n<td class=\"column-1\">CK20<\/td>\n<td class=\"column-2\">J94202<\/td>\n<td class=\"column-3\">0.04-0.20<\/td>\n<td class=\"column-4\">1.5<\/td>\n<td class=\"column-5\">1.75<\/td>\n<td class=\"column-6\">0.04<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">23.0-27.0<\/td>\n<td class=\"column-9\">19.0-22.0<\/td>\n<td class=\"column-10\">0.5<\/td>\n<td class=\"column-11\"><\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\"><\/td>\n<td class=\"column-14\"><\/td>\n<\/tr>\n<tr class=\"row-14 even\" role=\"row\">\n<td class=\"column-1\">HK30<\/td>\n<td class=\"column-2\">J94203<\/td>\n<td class=\"column-3\">0.25-0.35<\/td>\n<td class=\"column-4\">1.5<\/td>\n<td class=\"column-5\">1.75<\/td>\n<td class=\"column-6\">0.04<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">23.0-27.0<\/td>\n<td class=\"column-9\">19.0-22.0<\/td>\n<td class=\"column-10\">0.5<\/td>\n<td class=\"column-11\"><\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\"><\/td>\n<td class=\"column-14\"><\/td>\n<\/tr>\n<tr class=\"row-15 odd\" role=\"row\">\n<td class=\"column-1\">HK40<\/td>\n<td class=\"column-2\">J94204<\/td>\n<td class=\"column-3\">0.35-0.45<\/td>\n<td class=\"column-4\">1.5<\/td>\n<td class=\"column-5\">1.75<\/td>\n<td class=\"column-6\">0.04<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">23.0-27.0<\/td>\n<td class=\"column-9\">19.0-22.0<\/td>\n<td class=\"column-10\">0.5<\/td>\n<td class=\"column-11\"><\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\"><\/td>\n<td class=\"column-14\"><\/td>\n<\/tr>\n<tr class=\"row-16 even\" role=\"row\">\n<td class=\"column-1\">HT30<\/td>\n<td class=\"column-2\">N08030<\/td>\n<td class=\"column-3\">0.25-0.35<\/td>\n<td class=\"column-4\">2<\/td>\n<td class=\"column-5\">2.5<\/td>\n<td class=\"column-6\">0.04<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">13.0-17.0<\/td>\n<td class=\"column-9\">33.0-37.0<\/td>\n<td class=\"column-10\">0.5<\/td>\n<td class=\"column-11\"><\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\"><\/td>\n<td class=\"column-14\"><\/td>\n<\/tr>\n<tr class=\"row-17 odd\" role=\"row\">\n<td class=\"column-1\">CF10MC<\/td>\n<td class=\"column-2\"><\/td>\n<td class=\"column-3\">0.1<\/td>\n<td class=\"column-4\">1.5<\/td>\n<td class=\"column-5\">1.5<\/td>\n<td class=\"column-6\">0.04<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">15.0-18.0<\/td>\n<td class=\"column-9\">13.0-16.0<\/td>\n<td class=\"column-10\">1.7-2.25<\/td>\n<td class=\"column-11\">-2<\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\"><\/td>\n<td class=\"column-14\"><\/td>\n<\/tr>\n<tr class=\"row-18 even\" role=\"row\">\n<td class=\"column-1\">CN7M<\/td>\n<td class=\"column-2\">N0807<\/td>\n<td class=\"column-3\">0.07<\/td>\n<td class=\"column-4\">1.5<\/td>\n<td class=\"column-5\">1.5<\/td>\n<td class=\"column-6\">0.04<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">19.0-22.0<\/td>\n<td class=\"column-9\">27.5-30.5<\/td>\n<td class=\"column-10\">2.0-3.0<\/td>\n<td class=\"column-11\"><\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\"><\/td>\n<td class=\"column-14\">3.0-4.0<\/td>\n<\/tr>\n<tr class=\"row-19 odd\" role=\"row\">\n<td class=\"column-1\">CN3MN<\/td>\n<td class=\"column-2\">J94651<\/td>\n<td class=\"column-3\">0.03<\/td>\n<td class=\"column-4\">2<\/td>\n<td class=\"column-5\">1<\/td>\n<td class=\"column-6\">0.01<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">20.0-22.0<\/td>\n<td class=\"column-9\">23.5-25.5<\/td>\n<td class=\"column-10\">6.0-.0<\/td>\n<td class=\"column-11\"><\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\">0.18-.26<\/td>\n<td class=\"column-14\">0.75<\/td>\n<\/tr>\n<tr class=\"row-20 even\" role=\"row\">\n<td class=\"column-1\">CE8MN<\/td>\n<td class=\"column-2\"><\/td>\n<td class=\"column-3\">0.08<\/td>\n<td class=\"column-4\">1<\/td>\n<td class=\"column-5\">1.5<\/td>\n<td class=\"column-6\">0.04<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">22.5-25.5<\/td>\n<td class=\"column-9\">8.0-11.0<\/td>\n<td class=\"column-10\">3.0-.5<\/td>\n<td class=\"column-11\"><\/td>\n<td class=\"column-12\"><\/td>\n<td class=\"column-13\">0.10-.30<\/td>\n<td class=\"column-14\"><\/td>\n<\/tr>\n<tr class=\"row-21 odd\" role=\"row\">\n<td class=\"column-1\">CG-6MMN<\/td>\n<td class=\"column-2\">J93790<\/td>\n<td class=\"column-3\">0.06<\/td>\n<td class=\"column-4\">4.0-6.0<\/td>\n<td class=\"column-5\">1<\/td>\n<td class=\"column-6\">0.03<\/td>\n<td class=\"column-7\">0.04<\/td>\n<td class=\"column-8\">20.5-23.5<\/td>\n<td class=\"column-9\">11.5-13.5<\/td>\n<td class=\"column-10\">1.50-3.0<\/td>\n<td class=\"column-11\">0.10-.30<\/td>\n<td class=\"column-12\">0.10-.30<\/td>\n<td class=\"column-13\">0.20-.4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div>Note:&nbsp;<\/p>\n<ol>\n<li>Gradul CF8C trebuie s\u0103 aib\u0103 un con\u021binut de niobiu de 8 ori peste carbon, dar nu peste 1,00%.<\/li>\n<li>Gradul CF10MC trebuie s\u0103 aib\u0103 un con\u021binut de niobiu de 10 ori peste carbon, dar nu peste 1,20%.<\/li>\n<\/ol>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"MECHANICAL_PROPERTIES_CAST_STEEL_VALVES_CHART\"><\/span>PROPRIET\u0102\u021aI MECANICE TABL\u0102 SUPAPELE DIN O\u021aEL TURNAT<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table class=\"table\">\n<tbody>\n<tr>\n<th><\/th>\n<th colspan=\"4\"><strong>Propriet\u0103\u021bi mecanice minime ale o\u021belului<\/strong><\/th>\n<th><strong>Modulul<\/strong><\/th>\n<th><strong>Aproximativ<\/strong><\/th>\n<\/tr>\n<tr>\n<th>ASTM CAST GRADE<\/th>\n<th nowrap=\"nowrap\"><strong>Rezisten\u021b\u0103 la trac\u021biune<br \/>\n(psi)<\/strong><\/th>\n<th nowrap=\"nowrap\"><strong>Rezistenta la curgere<br \/>\n(psi min)<\/strong><\/th>\n<th nowrap=\"nowrap\"><strong>Elonga\u0163ie<br \/>\n(la 2 inci)<\/strong><\/th>\n<th nowrap=\"nowrap\"><strong>Reducerea suprafe\u021bei (%)<\/strong><\/th>\n<th><strong>\u00a0<\/strong><\/th>\n<th><strong>\u00a0<\/strong><\/th>\n<\/tr>\n<tr>\n<td>WCB grad ASTM A216<\/td>\n<td>70,000<\/td>\n<td>36,000<\/td>\n<td>22<\/td>\n<td>35<\/td>\n<td>27.9<\/td>\n<td>137-1 87<\/td>\n<\/tr>\n<tr>\n<td>LCB de grad ASTM A352<\/td>\n<td>65,000<\/td>\n<td>35,000<\/td>\n<td>24<\/td>\n<td>35<\/td>\n<td>27.9<\/td>\n<td>137-1 87<\/td>\n<\/tr>\n<tr>\n<td>ASTM A217 grad C5<\/td>\n<td>90,000<\/td>\n<td>60,000<\/td>\n<td>18<\/td>\n<td>35<\/td>\n<td>27.4<\/td>\n<td>241 Max.<\/td>\n<\/tr>\n<tr>\n<td>ASTM A217 grad WC1<\/td>\n<td>65,000<\/td>\n<td>35,000<\/td>\n<td>24<\/td>\n<td>35<\/td>\n<td>29.9<\/td>\n<td>215 Max.<\/td>\n<\/tr>\n<tr>\n<td>ASTM A217 grad WC6<\/td>\n<td>70,000<\/td>\n<td>40,000<\/td>\n<td>20<\/td>\n<td>35<\/td>\n<td>29.9<\/td>\n<td>215 Max.<\/td>\n<\/tr>\n<tr>\n<td>ASTM A217 grad WC9<\/td>\n<td>70,000<\/td>\n<td>40,000<\/td>\n<td>20<\/td>\n<td>35<\/td>\n<td>29.9<\/td>\n<td>241 Max.<\/td>\n<\/tr>\n<tr>\n<td>ASTM A352 grad LC3<\/td>\n<td>65,000<\/td>\n<td>40,000<\/td>\n<td>24<\/td>\n<td>35<\/td>\n<td>27.9<\/td>\n<td>137<\/td>\n<\/tr>\n<tr>\n<td>ASTM A217 grad C12<\/td>\n<td>90,000<\/td>\n<td>60,000<\/td>\n<td>18<\/td>\n<td>35<\/td>\n<td>27.4<\/td>\n<td>180-240<\/td>\n<\/tr>\n<tr>\n<td>ASTM A351 gradul CF-8<\/td>\n<td>65,000<\/td>\n<td>28,000<\/td>\n<td>35<\/td>\n<td>\u2013<\/td>\n<td>28<\/td>\n<td>140<\/td>\n<\/tr>\n<tr>\n<td>ASTM A351 grad CF-8M<\/td>\n<td>70,000<\/td>\n<td>30,000<\/td>\n<td>30<\/td>\n<td>\u2013<\/td>\n<td>28.3<\/td>\n<td>156-170<\/td>\n<\/tr>\n<tr>\n<td>ASTM A126 clasa B<\/td>\n<td>31,000<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<td>160-220<\/td>\n<\/tr>\n<tr>\n<td>ASTM A126 clasa C<\/td>\n<td>41,000<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<td>160-220<\/td>\n<\/tr>\n<tr>\n<td>ASTM A395 Tip 60-45-15<\/td>\n<td>60,000<\/td>\n<td>45,000<\/td>\n<td>15<\/td>\n<td>\u2013<\/td>\n<td>23-26<\/td>\n<td>143-207<\/td>\n<\/tr>\n<tr>\n<td>ASTM A439 Tip D-2B<\/td>\n<td>58,000<\/td>\n<td>30,000<\/td>\n<td>7<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<td>148-211<\/td>\n<\/tr>\n<tr>\n<td>ASTM B62<\/td>\n<td>30,000<\/td>\n<td>14,000<\/td>\n<td>20<\/td>\n<td>17<\/td>\n<td>13.5<\/td>\n<td>55-65*<\/td>\n<\/tr>\n<tr>\n<td>Aliaj ASTM B143 1A<\/td>\n<td>40,000<\/td>\n<td>18,000<\/td>\n<td>20<\/td>\n<td>20<\/td>\n<td>15<\/td>\n<td>75-85*<\/td>\n<\/tr>\n<tr>\n<td>Aliaj ASTM B147 8A<\/td>\n<td>65,000<\/td>\n<td>25,000<\/td>\n<td>20<\/td>\n<td>20<\/td>\n<td>15.4<\/td>\n<td>98*<\/td>\n<\/tr>\n<tr>\n<td>Aliaj ASTM B148 9C<\/td>\n<td>75,000<\/td>\n<td>30,000<\/td>\n<td>12 min.<\/td>\n<td>12<\/td>\n<td>17<\/td>\n<td>150<\/td>\n<\/tr>\n<tr>\n<td>(grad sudabil)<\/td>\n<td>65,000<\/td>\n<td>32,500<\/td>\n<td>25<\/td>\n<td>\u2013<\/td>\n<td>23<\/td>\n<td>120-170<\/td>\n<\/tr>\n<tr>\n<td>ASTM A494 (Hastelloy B)<\/td>\n<td>72,000<\/td>\n<td>46,000<\/td>\n<td>6<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td>ASTM A494 (Hastelloy C)<\/td>\n<td>72,000<\/td>\n<td>46,000<\/td>\n<td>4<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td>Stelul nr. 6<\/td>\n<td>121,000<\/td>\n<td>64,000<\/td>\n<td>01.feb<\/td>\n<td>\u2013<\/td>\n<td>30.4<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td>Aliaj ASTM B211 20911-T3<\/td>\n<td>44,000<\/td>\n<td>36,000<\/td>\n<td>15<\/td>\n<td>\u2013<\/td>\n<td>10.2<\/td>\n<td>95<\/td>\n<\/tr>\n<tr>\n<td>ASTM B16 1\/2 Hard<\/td>\n<td>45,000<\/td>\n<td>15,000<\/td>\n<td>7<\/td>\n<td>50<\/td>\n<td>14<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td>Aliaj ASTM B21 464<\/td>\n<td>60,000<\/td>\n<td>27,000<\/td>\n<td>22<\/td>\n<td>55<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td>AISI 12L 14<\/td>\n<td>79,000<\/td>\n<td>71,000<\/td>\n<td>16<\/td>\n<td>52<\/td>\n<td>\u2013<\/td>\n<td>163<\/td>\n<\/tr>\n<tr>\n<td>ASTM A108 grad 1018<\/td>\n<td>69,000<\/td>\n<td>48,000<\/td>\n<td>38<\/td>\n<td>62<\/td>\n<td>\u2013<\/td>\n<td>143<\/td>\n<\/tr>\n<tr>\n<td>(Potrivit pentru materialul \u0219uruburilor ASTM A193 grad B7)<\/td>\n<td>135,000<\/td>\n<td>115,000<\/td>\n<td>22<\/td>\n<td>63<\/td>\n<td>29.9<\/td>\n<td>255<\/td>\n<\/tr>\n<tr>\n<td>ASTM A276 tip 302<\/td>\n<td>85,000<\/td>\n<td>35,000<\/td>\n<td>60<\/td>\n<td>70<\/td>\n<td>28<\/td>\n<td>150<\/td>\n<\/tr>\n<tr>\n<td>ASTM A276 Tip 304<\/td>\n<td>85,000<\/td>\n<td>35,000<\/td>\n<td>60<\/td>\n<td>70<\/td>\n<td>\u2013<\/td>\n<td>149<\/td>\n<\/tr>\n<tr>\n<td>ASTM A276 Tip 316<\/td>\n<td>80,000<\/td>\n<td>30,000<\/td>\n<td>60<\/td>\n<td>70<\/td>\n<td>28<\/td>\n<td>149<\/td>\n<\/tr>\n<tr>\n<td>ASTM A276 Tip 316L<\/td>\n<td>81,000<\/td>\n<td>34,000<\/td>\n<td>55<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<td>146<\/td>\n<\/tr>\n<tr>\n<td>ASTM A276 tip 410<\/td>\n<td>75,000<\/td>\n<td>40,000<\/td>\n<td>35<\/td>\n<td>70<\/td>\n<td>29<\/td>\n<td>155<\/td>\n<\/tr>\n<tr>\n<td>ASTM A461 grad 630<\/td>\n<td>135,000<\/td>\n<td>105,000<\/td>\n<td>16<\/td>\n<td>50<\/td>\n<td>29<\/td>\n<td>275-345<\/td>\n<\/tr>\n<tr>\n<td>Aliaj K500 (K Monel)<\/td>\n<td>100,000<\/td>\n<td>70,000<\/td>\n<td>35<\/td>\n<td>\u2013<\/td>\n<td>26<\/td>\n<td>175-260<\/td>\n<\/tr>\n<tr>\n<td>ASTM B335 (Hastelloy B)<\/td>\n<td>100,000<\/td>\n<td>46,000<\/td>\n<td>30<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td>ASTM B336 (Hastelloy C)<\/td>\n<td>100,000<\/td>\n<td>46,000<\/td>\n<td>20<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"RECOMMENDED_SERVICE_CAST_VALVE_MATERIALS\"><\/span>SERVICIU RECOMANDAT (MATERIALE VALVE TURNATE)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Tabelul prezint\u0103 cele mai comune materiale pentru supapele turnate \u0219i serviciul recomandat pentru acestea:<\/p>\n<table class=\"table\">\n<tbody>\n<tr>\n<th><strong>GRUP DE MATERIAL<\/strong><\/th>\n<th><strong>CLASA DE MATERIAL<\/strong><\/th>\n<th><strong>SERVICIUL RECOMANDAT<\/strong><\/th>\n<\/tr>\n<tr>\n<td>O\u021bel carbon de \u00eenalt\u0103 temperatur\u0103<\/td>\n<td>WCB grad ASTM A216<\/td>\n<td>Fluide necorozive precum apa, uleiul \u0219i gazele la temperaturi \u00eentre -20\u00b0F (-30\u00b0C) \u0219i +800\u00b0F (+425\u00b0C)<\/td>\n<\/tr>\n<tr>\n<td>O\u021bel carbon la temperatur\u0103 sc\u0103zut\u0103<\/td>\n<td>LCB de grad ASTM A352<\/td>\n<td>Temperatur\u0103 sc\u0103zut\u0103 p\u00e2n\u0103 la -50\u00b0F (-46\u00b0C). Utilizare exclus\u0103 peste +650\u00b0F (+340\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>O\u021bel carbon la temperatur\u0103 sc\u0103zut\u0103<\/td>\n<td>ASTM A352 grad LC1<\/td>\n<td>Temperatur\u0103 sc\u0103zut\u0103 p\u00e2n\u0103 la -75\u00b0F (-59\u00b0C). Utilizare exclus\u0103 peste +650\u00b0F (+340\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>O\u021bel carbon la temperatur\u0103 sc\u0103zut\u0103<\/td>\n<td>ASTM A352 grad LC2<\/td>\n<td>Temperatur\u0103 sc\u0103zut\u0103 p\u00e2n\u0103 la -100\u00b0F (-73\u00b0C). Utilizare exclus\u0103 peste +650\u00b0F (+340\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>O\u021bel nichel 3.1\/2%<\/td>\n<td>ASTM A352 grad LC3<\/td>\n<td>Temperatur\u0103 sc\u0103zut\u0103 p\u00e2n\u0103 la -150\u00b0F (-101\u00b0C). Utilizare exclus\u0103 peste +650\u00b0F (+340\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>1.1\/4% Crom 1\/2% Moly Steel<\/td>\n<td>ASTM A217 grad WC6<\/td>\n<td>Fluide necorozive precum apa, uleiul \u0219i gazele la temperaturi cuprinse \u00eentre -20\u00b0F (-30\u00b0C) \u0219i +1100\u00b0F (+593\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>2.1\/4% Chrome<\/td>\n<td>ASTM A217 grad C9<\/td>\n<td>Fluide necorozive precum apa, uleiul \u0219i gazele la temperaturi \u00eentre -20\u00b0F (-30\u00b0C) \u0219i +1100\u00b0F (+593\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>5% Crom 1\/2% Moly<\/td>\n<td>ASTM A217 grad C5<\/td>\n<td>Aplica\u021bii u\u0219oare corozive sau erozive \u0219i aplica\u021bii necorozive la temperaturi cuprinse \u00eentre -20\u00b0F (-30\u00b0C) \u0219i +1200\u00b0F (+649\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>9%Chrome<br \/>\n1% Moly<\/td>\n<td>ASTM A217 grad C12<\/td>\n<td>Aplica\u021bii u\u0219oare corozive sau erozive \u0219i aplica\u021bii necorozive la temperaturi cuprinse \u00eentre -20\u00b0F (-30\u00b0C) \u0219i +1200\u00b0F (+649\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>12% O\u021bel cromat<\/td>\n<td>ASTM A487 grad CA6NM<\/td>\n<td>Aplicare coroziv\u0103 la temperaturi cuprinse \u00eentre -20\u00b0F (-30\u00b0C) \u0219i +900\u00b0F (+482\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>12% Chrome<\/td>\n<td>ASTM A217 grad CA15<\/td>\n<td>Aplicare coroziv\u0103 la temperaturi de p\u00e2n\u0103 la +1300\u00b0F (+704\u00b0C)<\/td>\n<\/tr>\n<tr>\n<td>O\u021bel inoxidabil 316<\/td>\n<td>ASTM A351 grad CF8M<\/td>\n<td>Servicii corozive sau necorozive la temperatur\u0103 extrem de sc\u0103zut\u0103 sau ridicat\u0103 \u00eentre -450\u00b0F (-268\u00b0C) \u0219i +1200\u00b0F (+649\u00b0C). Peste +800\u00b0F (+425\u00b0C) specifica\u021bi con\u021binutul de carbon de 0,04% sau mai mare.<\/td>\n<\/tr>\n<tr>\n<td>O\u021bel inoxidabil 347<\/td>\n<td>ASTM 351 grad CF8C<\/td>\n<td>\u00cen principal pentru temperaturi ridicate, aplica\u021bii corozive \u00eentre -450\u00b0F (-268\u00b0C) \u0219i +1200\u00b0F (+649\u00b0C). Peste +1000\u00b0F (+540\u00b0C) specifica\u021bi con\u021binutul de carbon de 0,04% sau mai mare.<\/td>\n<\/tr>\n<tr>\n<td>O\u021bel inoxidabil 304<\/td>\n<td>ASTM A351 grad CF8<\/td>\n<td>Servicii non-corozive corozive sau temperaturi extrem de ridicate \u00eentre -450\u00b0F (-268\u00b0C) \u0219i +1200\u00b0F (+649\u00b0C). Peste +800\u00b0F (+425\u00b0C) specifica\u021bi con\u021binutul de carbon de 0,04% sau mai mare.<\/td>\n<\/tr>\n<tr>\n<td>O\u021bel inoxidabil 304L<\/td>\n<td>ASTM A351 grad CF3<\/td>\n<td>Servicii corozive sau necorozive p\u00e2n\u0103 la +800F (+425\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>O\u021bel inoxidabil 316L<\/td>\n<td>ASTM A351 grad CF3M<\/td>\n<td>Servicii corozive sau necorozive p\u00e2n\u0103 la +800F (+425\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>Aliaj-20<\/td>\n<td>ASTM A351 grad CN7M<\/td>\n<td>Rezisten\u021b\u0103 bun\u0103 la acid sulfuric fierbinte p\u00e2n\u0103 la +800F (+425\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>Monel<\/td>\n<td>ASTM 743 grad M3-35-1<\/td>\n<td>Grad sudabil. Rezisten\u021b\u0103 bun\u0103 la coroziune de c\u0103tre to\u021bi acizii organici obi\u0219nui\u021bi \u0219i apa s\u0103rat\u0103. De asemenea, foarte rezistent la majoritatea solu\u021biilor alcaline p\u00e2n\u0103 la +750\u00b0F (+400\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>Hastelloy B<\/td>\n<td>ASTM A743 grad N-12M<\/td>\n<td>Potrivit pentru manipularea acidului fluorhidric la toate concentra\u021biile \u0219i temperaturile. Rezisten\u021b\u0103 bun\u0103 la acizii sulfuric \u0219i fosforic p\u00e2n\u0103 la +1200\u00b0F (+649\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>Hastelloy C<\/td>\n<td>ASTM A743 grad CW-12M<\/td>\n<td>Rezisten\u021b\u0103 bun\u0103 la condi\u021biile de oxidare span. Propriet\u0103\u021bi bune la temperaturi ridicate. Rezisten\u021b\u0103 bun\u0103 la acizii sulfuric \u0219i fosforic p\u00e2n\u0103 la +1200\u00b0F (+649\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>Inconel<\/td>\n<td>ASTM A743 grad CY-40<\/td>\n<td>Foarte bun pentru servicii la temperaturi ridicate. Rezisten\u021b\u0103 bun\u0103 la medii corozive \u0219i la atmosfer\u0103 p\u00e2n\u0103 la +800\u00b0F (+425\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>Bronz<\/td>\n<td>ASTM B62<\/td>\n<td>Ap\u0103, ulei sau gaz: p\u00e2n\u0103 la 400\u00b0F. Excelent pentru serviciul cu saramur\u0103 \u0219i ap\u0103 de mare.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>V\u0103 recomand\u0103m s\u0103 cump\u0103ra\u021bi specifica\u021bia ASTM A216 de la\u00a0<a href=\"https:\/\/www.astm.org\/Standards\/A216.htm\" target=\"_blank\" rel=\"noopener noreferrer\">Site-ul ASTM<\/a>\u00a0sau\u00a0<a href=\"https:\/\/global.ihs.com\/doc_detail.cfm?document_name=ASTM%20A216%2FA216M\" target=\"_blank\" rel=\"noopener noreferrer\">magazin IHS\u00a0<\/a>pentru a ob\u021bine o \u00een\u021belegere complet\u0103 a acestui subiect.<\/p>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Learn about the key ASTM material specifications for valves.\u00a0A cast valve body is manufactured by pouring liquid metals into molds and is common for valves above 2 inches in diameter. A forged valve body is produced by forging and machining solid steel.\u00a0The key specifications for cast steel valves body materials are\u00a0ASTM A216 (WCA, WCB, WCC), [&hellip;]<\/p>\n","protected":false},"author":290641,"featured_media":5759,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[1462,1463],"class_list":["post-5758","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-astm-material-specifications","tag-cast-steel-valves-chart"],"_links":{"self":[{"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/posts\/5758","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/users\/290641"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/comments?post=5758"}],"version-history":[{"count":1,"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/posts\/5758\/revisions"}],"predecessor-version":[{"id":5760,"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/posts\/5758\/revisions\/5760"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/media\/5759"}],"wp:attachment":[{"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/media?parent=5758"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/categories?post=5758"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stvvalves.com\/ro\/wp-json\/wp\/v2\/tags?post=5758"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}