{"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\/es\/astm-material-specifications-for-valves\/","title":{"rendered":"Especificaciones de materiales ASTM para v\u00e1lvulas."},"content":{"rendered":"<p>Conozca las especificaciones clave de materiales ASTM para v\u00e1lvulas. Un cuerpo de v\u00e1lvula fundido se fabrica vertiendo metales l\u00edquidos en moldes y es com\u00fan para v\u00e1lvulas de m\u00e1s de 2 pulgadas de di\u00e1metro. Un cuerpo de v\u00e1lvula forjado se produce forjando y mecanizando acero s\u00f3lido. Las especificaciones clave para los materiales del cuerpo de las v\u00e1lvulas de acero fundido son ASTM A216 (WCA, WCB, WCC), ASTM A352 LCB\/LCC (baja temperatura) y ASTM A351 CF8\/CF8M. Materiales del cuerpo de cubierta ASTM A105, A350 y A182 para v\u00e1lvulas forjadas de tama\u00f1o peque\u00f1o (o alta presi\u00f3n).<\/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=\"Alternar tabla de contenidos\"><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\/es\/astm-material-specifications-for-valves\/#CAST_STEEL_VALVES\" >V\u00c1LVULAS DE ACERO FUNDIDO<\/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\/es\/astm-material-specifications-for-valves\/#ASTM_A216_WCA_WCB_WCC_CARBON_STEEL_HIGH-TEMP\" >ASTM A216 WCA, WCB, WCC (ACERO AL CARBONO DE ALTA TEMP.)<\/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\/es\/astm-material-specifications-for-valves\/#ASTM_A352_LCBLCC_CARBON_STEEL_LOW-TEMP\" >ASTM A352 LCB\/LCC (ACERO AL CARBONO DE BAJA 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\/es\/astm-material-specifications-for-valves\/#ASTM_A351_CF8CF8M_STAINLESS_STEEL\" >ASTM A351 CF8\/CF8M (ACERO 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\/es\/astm-material-specifications-for-valves\/#MECHANICAL_PROPERTIES_CAST_STEEL_VALVES_CHART\" >TABLA DE PROPIEDADES MEC\u00c1NICAS DE V\u00c1LVULAS DE ACERO FUNDIDO<\/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\/es\/astm-material-specifications-for-valves\/#RECOMMENDED_SERVICE_CAST_VALVE_MATERIALS\" >SERVICIO RECOMENDADO (MATERIALES DE V\u00c1LVULA FUNDIDA)<\/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\/es\/wholesale\/gate-valve\/cast-steel-gate-valve\/\">V\u00c1LVULAS DE ACERO FUNDIDO<\/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>Primero, aclaremos la diferencia entre v\u00e1lvula fundida y forjada, aunque parezca obvio: las v\u00e1lvulas fundidas presentan una v\u00e1lvula fundida\u00a0<em>cuerpo<\/em>, las v\u00e1lvulas forjadas tienen un forjado\u00a0<em>cuerpo<\/em>. \u00a1Eso es todo! La diferencia se relaciona con la t\u00e9cnica de construcci\u00f3n del material del cuerpo de la v\u00e1lvula, es decir, acero forjado o fundido.<\/p>\n<p>Repasemos ahora los materiales clave del cuerpo de v\u00e1lvula fundido.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ASTM_A216_WCA_WCB_WCC_CARBON_STEEL_HIGH-TEMP\"><\/span>ASTM A216 WCA, WCB, WCC (ACERO AL CARBONO DE ALTA TEMP.)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"fv\" align=\"justify\">El\u00a0<a href=\"https:\/\/www.astm.org\/Standards\/A216.htm\" target=\"_blank\" rel=\"noopener\">Especificaci\u00f3n ASTM A216<\/a>\u00a0cubre 3 grados de acero al carbono (<b>WCA, WCB,\u00a0<\/b>y<b>\u00a0CMI<\/b>), que presentan ligeras diferencias en t\u00e9rminos de propiedades qu\u00edmicas y mec\u00e1nicas. Estos grados para cuerpos de v\u00e1lvulas de fundici\u00f3n coinciden con tuber\u00edas de acero al carbono de grados A53, A106, API 5L.<\/p>\n<p>Las piezas fundidas de acero ASTM A216 se tratar\u00e1n t\u00e9rmicamente y se podr\u00e1n fabricar en condiciones de recocido, normalizado o normalizado y revenido. La superficie de las piezas fundidas de acero deber\u00e1 estar libre de elementos adheridos como arena, grietas, desgarros calientes y otros defectos.<\/p>\n<table class=\"table\">\n<tbody>\n<tr>\n<th colspan=\"11\"><strong>V\u00e1lvulas de acero al carbono ASTM A216 (fundidas), tabla de materiales<\/strong><\/th>\n<\/tr>\n<tr>\n<td><strong>GRADO ASTM A216<\/strong><\/td>\n<td><strong>C<\/strong><\/td>\n<td><strong>Minnesota<\/strong><\/td>\n<td><strong>PAG<\/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>Mes<\/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>CMI 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>Notas:<\/p>\n<ol>\n<li>Por cada reducci\u00f3n de 0,01% por debajo del contenido m\u00e1ximo de carbono especificado, se permite un aumento de 0,04% de manganeso por encima del m\u00e1ximo especificado hasta un m\u00e1ximo de 1,10%.<\/li>\n<li>Por cada reducci\u00f3n de 0,01% por debajo del contenido m\u00e1ximo de carbono especificado, se permite un aumento de 0,04% Mn por encima del m\u00e1ximo especificado hasta un m\u00e1ximo de 1,28%.<\/li>\n<li>Por cada reducci\u00f3n de 0,01% por debajo del contenido m\u00e1ximo de carbono especificado, se permite un aumento de 0,04% de manganeso por encima del m\u00e1ximo especificado hasta un m\u00e1ximo 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 (ACERO AL CARBONO DE BAJA TEMP.)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/www.astm.org\/Standards\/A352.htm\" target=\"_blank\" rel=\"noopener\">La norma ASTM A352<\/a>\u00a0La especificaci\u00f3n cubre m\u00faltiples grados de acero al carbono de baja temperatura (llamado LCA, LCB, LCC, LC1, LC2, LC3, LC4, LC9, CA6NM) para v\u00e1lvulas, bridas, accesorios y otras piezas que contienen presi\u00f3n de acero fundido.<\/p>\n<p>Composici\u00f3n qu\u00edmica de las v\u00e1lvulas fundidas A352 Gr. LCA\/LCB\/LCC (tabla de materiales de v\u00e1lvulas):<\/p>\n<table width=\"1030\">\n<tbody>\n<tr>\n<td width=\"247\"><strong>CALIFICACI\u00d3N<\/strong><\/td>\n<td width=\"87\"><strong>C<\/strong><\/td>\n<td width=\"87\"><strong>Si<\/strong><\/td>\n<td width=\"87\"><strong>Minnesota<\/strong><\/td>\n<td width=\"87\"><strong>cr<\/strong><\/td>\n<td width=\"87\"><strong>Mes<\/strong><\/td>\n<td width=\"87\"><strong>Ni<\/strong><\/td>\n<td width=\"87\"><strong>Cu<\/strong><\/td>\n<td width=\"87\"><strong>N\u00f3tese bien<\/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 ACV<\/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 (ACERO INOXIDABLE)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>El\u00a0<a href=\"https:\/\/www.astm.org\/Standards\/A351.htm\" target=\"_blank\" rel=\"noopener\">ASTM A351<\/a>\u00a0La especificaci\u00f3n cubre piezas fundidas de acero austen\u00edtico para v\u00e1lvulas, bridas, accesorios y otras piezas que contienen presi\u00f3n.<\/p>\n<p>Los grados m\u00e1s comunes son ASTM A351 CF3, CF8 (SS304) y CF8M (SS316).<\/p>\n<p>El acero se fabricar\u00e1 mediante el proceso de horno el\u00e9ctrico con o sin refinado por separado, como la descarburaci\u00f3n con arg\u00f3n y ox\u00edgeno.<\/p>\n<p>Cualquier pieza fundida ASTM A351 recibir\u00e1 un tratamiento t\u00e9rmico seguido de un enfriamiento r\u00e1pido en agua o enfriamiento r\u00e1pido. El acero deber\u00e1 cumplir con los requisitos qu\u00edmicos y mec\u00e1nicos establecidos por la especificaci\u00f3n.<span id=\"more-223\"><\/span><\/p>\n<p><strong>V\u00e1lvulas de acero inoxidable ASTM A351, composici\u00f3n qu\u00edmica.<\/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\">GRADO 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\">Minnesota<\/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\">PAG<\/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\">Mes<\/th>\n<th class=\"column-11 sorting_disabled\" colspan=\"1\" rowspan=\"1\">N\u00f3tese bien<\/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\">norte<\/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>Notas:&nbsp;<\/p>\n<ol>\n<li>El grado CF8C deber\u00e1 tener un contenido de Niobio 8 veces superior al Carbono pero no superior a 1.00%.<\/li>\n<li>El grado CF10MC tendr\u00e1 un contenido de niobio 10 veces superior al de carbono pero no superior a 1.20%.<\/li>\n<\/ol>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"MECHANICAL_PROPERTIES_CAST_STEEL_VALVES_CHART\"><\/span>TABLA DE PROPIEDADES MEC\u00c1NICAS DE V\u00c1LVULAS DE ACERO FUNDIDO<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table class=\"table\">\n<tbody>\n<tr>\n<th><\/th>\n<th colspan=\"4\"><strong>Propiedades mec\u00e1nicas m\u00ednimas del acero<\/strong><\/th>\n<th><strong>M\u00f3dulo<\/strong><\/th>\n<th><strong>Aproximado<\/strong><\/th>\n<\/tr>\n<tr>\n<th>GRADO FUNDIDO ASTM<\/th>\n<th nowrap=\"nowrap\"><strong>Resistencia a la tracci\u00f3n<br \/>\n(psi)<\/strong><\/th>\n<th nowrap=\"nowrap\"><strong>Fuerza de producci\u00f3n<br \/>\n(psi m\u00edn.)<\/strong><\/th>\n<th nowrap=\"nowrap\"><strong>Alargamiento<br \/>\n(a 2 pulgadas)<\/strong><\/th>\n<th nowrap=\"nowrap\"><strong>Reducci\u00f3n de \u00c1rea (%)<\/strong><\/th>\n<th><strong>\u00a0<\/strong><\/th>\n<th><strong>\u00a0<\/strong><\/th>\n<\/tr>\n<tr>\n<td>ASTM A216 Grado WCB<\/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 grado 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 Grado 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 m\u00e1x.<\/td>\n<\/tr>\n<tr>\n<td>ASTM A217 Grado 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 m\u00e1x.<\/td>\n<\/tr>\n<tr>\n<td>ASTM A217 Grado 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 m\u00e1x.<\/td>\n<\/tr>\n<tr>\n<td>ASTM A217 Grado 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 m\u00e1x.<\/td>\n<\/tr>\n<tr>\n<td>ASTM A352 Grado 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 Grado 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 Grado 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 Grado 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 Clase 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 Clase 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 Tipo 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 Tipo 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>ASTM B143 Aleaci\u00f3n 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>ASTM B147 Aleaci\u00f3n 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>ASTM B148 Aleaci\u00f3n 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>(Grado soldable)<\/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>Estelite No. 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>Aleaci\u00f3n 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 Duro<\/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>ASTM B21 Aleaci\u00f3n 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 Grado 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>(Adecuado para material de perno ASTM A193 Grado 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 Tipo 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 Tipo 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 Tipo 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 tipo 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 Tipo 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 Grado 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>Aleaci\u00f3n 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>SERVICIO RECOMENDADO (MATERIALES DE V\u00c1LVULA FUNDIDA)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>La tabla muestra los materiales m\u00e1s comunes para v\u00e1lvulas fundidas y su servicio recomendado:<\/p>\n<table class=\"table\">\n<tbody>\n<tr>\n<th><strong>GRUPO DE MATERIALES<\/strong><\/th>\n<th><strong>GRADO DEL MATERIAL<\/strong><\/th>\n<th><strong>SERVICIO RECOMENDADO<\/strong><\/th>\n<\/tr>\n<tr>\n<td>Acero al carbono de alta temperatura<\/td>\n<td>ASTM A216 Grado WCB<\/td>\n<td>Fluidos no corrosivos como agua, aceite y gases a temperaturas que oscilan entre -20 \u00b0F (-30 \u00b0C) y +800 \u00b0F (+425 \u00b0C)<\/td>\n<\/tr>\n<tr>\n<td>Acero al carbono de baja temperatura<\/td>\n<td>LCB de grado ASTM A352<\/td>\n<td>Baja temperatura a -50\u00b0F (-46\u00b0C). Se excluye el uso por encima de +650\u00b0F (+340\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>Acero al carbono de baja temperatura<\/td>\n<td>ASTM A352 Grado LC1<\/td>\n<td>Baja temperatura a -75\u00b0F (-59\u00b0C). Se excluye el uso por encima de +650\u00b0F (+340\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>Acero al carbono de baja temperatura<\/td>\n<td>ASTM A352 Grado LC2<\/td>\n<td>Baja temperatura a -100\u00b0F (-73\u00b0C). Se excluye el uso por encima de +650\u00b0F (+340\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>Acero al n\u00edquel 3.1\/2%<\/td>\n<td>ASTM A352 Grado LC3<\/td>\n<td>Baja temperatura a -150\u00b0F (-101\u00b0C). Se excluye el uso por encima de +650\u00b0F (+340\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>1.1\/4% Cromo 1\/2% Acero Molibdeno<\/td>\n<td>ASTM A217 Grado WC6<\/td>\n<td>Fluidos no corrosivos como agua, aceite y gases a temperaturas que oscilan entre -20 \u00b0F (-30 \u00b0C) y +1100 \u00b0F (+593 \u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>2.1\/4% Cromo<\/td>\n<td>ASTM A217 Grado C9<\/td>\n<td>Fluidos no corrosivos como agua, aceite y gases a temperaturas que oscilan entre -20 \u00b0F (-30 \u00b0C) y +1100 \u00b0F (+593 \u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>5% Cromo 1\/2% Molibdeno<\/td>\n<td>ASTM A217 Grado C5<\/td>\n<td>Aplicaciones levemente corrosivas o erosivas y aplicaciones no corrosivas a temperaturas entre -20\u00b0F (-30\u00b0C) y +1200\u00b0F (+649\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>9%Cromo<br \/>\n1% Molibdeno<\/td>\n<td>ASTM A217 Grado C12<\/td>\n<td>Aplicaciones levemente corrosivas o erosivas y aplicaciones no corrosivas a temperaturas entre -20\u00b0F (-30\u00b0C) y +1200\u00b0F (+649\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>12% Acero Cromado<\/td>\n<td>ASTM A487 Grado CA6NM<\/td>\n<td>Aplicaci\u00f3n corrosiva a temperaturas entre -20\u00b0F (-30\u00b0C) y +900\u00b0F (+482\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>12% Cromo<\/td>\n<td>ASTM A217 Grado CA15<\/td>\n<td>Aplicaci\u00f3n corrosiva a temperaturas de hasta +1300\u00b0F (+704\u00b0C)<\/td>\n<\/tr>\n<tr>\n<td>Acero inoxidable 316<\/td>\n<td>ASTM A351 Grado CF8M<\/td>\n<td>Servicios corrosivos o no corrosivos a temperaturas extremadamente bajas o altas entre -450 \u00b0F (-268 \u00b0C) y +1200 \u00b0F (+649 \u00b0C). Por encima de +800 \u00b0F (+425 \u00b0C), especifique un contenido de carbono de 0,041 TP3T o mayor.<\/td>\n<\/tr>\n<tr>\n<td>Acero inoxidable 347<\/td>\n<td>ASTM 351 Grado CF8C<\/td>\n<td>Principalmente para aplicaciones corrosivas de alta temperatura entre -450\u00b0F (-268\u00b0C) y +1200\u00b0F (+649\u00b0C). Por encima de +1000\u00b0F (+540\u00b0C), especifique un contenido de carbono de 0,04% o superior.<\/td>\n<\/tr>\n<tr>\n<td>Acero inoxidable 304<\/td>\n<td>ASTM A351 Grado CF8<\/td>\n<td>Servicios no corrosivos a temperaturas corrosivas o extremadamente altas entre -450\u00b0F (-268\u00b0C) y +1200\u00b0F (+649\u00b0C). Por encima de +800 \u00b0F (+425 \u00b0C), especifique un contenido de carbono de 0,041 TP3T o mayor.<\/td>\n<\/tr>\n<tr>\n<td>Acero inoxidable 304L<\/td>\n<td>ASTM A351 Grado CF3<\/td>\n<td>Servicios corrosivos o no corrosivos hasta +800F (+425\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>Acero inoxidable 316L<\/td>\n<td>ASTM A351 Grado CF3M<\/td>\n<td>Servicios corrosivos o no corrosivos hasta +800F (+425\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>Aleaci\u00f3n-20<\/td>\n<td>ASTM A351 Grado CN7M<\/td>\n<td>Buena resistencia al \u00e1cido sulf\u00farico caliente hasta +800F (+425\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>Monel<\/td>\n<td>ASTM 743 Grado M3-35-1<\/td>\n<td>Grado soldable. Buena resistencia a la corrosi\u00f3n por todos los \u00e1cidos org\u00e1nicos comunes y el agua salada. Tambi\u00e9n es altamente resistente a la mayor\u00eda de las soluciones alcalinas hasta +750 \u00b0F (+400 \u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>Hastelloy B<\/td>\n<td>ASTM A743 Grado N-12M<\/td>\n<td>Muy adecuado para manipular \u00e1cido fluorh\u00eddrico en todas las concentraciones y temperaturas. Buena resistencia a los \u00e1cidos sulf\u00farico y fosf\u00f3rico hasta +1200\u00b0F (+649\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>HastelloyC<\/td>\n<td>ASTM A743 Grado CW-12M<\/td>\n<td>Buena resistencia a las condiciones de oxidaci\u00f3n. Buenas propiedades a altas temperaturas. Buena resistencia a los \u00e1cidos sulf\u00farico y fosf\u00f3rico hasta +1200\u00b0F (+649\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>Inconel<\/td>\n<td>ASTM A743 Grado CY-40<\/td>\n<td>Muy bueno para servicio de alta temperatura. Buena resistencia a medios corrosivos y atm\u00f3sferas de hasta +800\u00b0F (+425\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td>Bronce<\/td>\n<td>ASTM B62<\/td>\n<td>Agua, petr\u00f3leo o gas: hasta 400\u00b0F. Excelente para servicio de salmuera y agua de mar.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Recomendamos comprar la especificaci\u00f3n ASTM A216 del\u00a0<a href=\"https:\/\/www.astm.org\/Standards\/A216.htm\" target=\"_blank\" rel=\"noopener noreferrer\">sitio web de ASTM<\/a>\u00a0o el\u00a0<a href=\"https:\/\/global.ihs.com\/doc_detail.cfm?document_name=ASTM%20A216%2FA216M\" target=\"_blank\" rel=\"noopener noreferrer\">tienda IHS\u00a0<\/a>para obtener una comprensi\u00f3n completa de este tema.<\/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\/es\/wp-json\/wp\/v2\/posts\/5758","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stvvalves.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stvvalves.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/es\/wp-json\/wp\/v2\/users\/290641"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/es\/wp-json\/wp\/v2\/comments?post=5758"}],"version-history":[{"count":1,"href":"https:\/\/www.stvvalves.com\/es\/wp-json\/wp\/v2\/posts\/5758\/revisions"}],"predecessor-version":[{"id":5760,"href":"https:\/\/www.stvvalves.com\/es\/wp-json\/wp\/v2\/posts\/5758\/revisions\/5760"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/es\/wp-json\/wp\/v2\/media\/5759"}],"wp:attachment":[{"href":"https:\/\/www.stvvalves.com\/es\/wp-json\/wp\/v2\/media?parent=5758"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stvvalves.com\/es\/wp-json\/wp\/v2\/categories?post=5758"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stvvalves.com\/es\/wp-json\/wp\/v2\/tags?post=5758"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}