{"id":359,"date":"2026-07-06T07:39:17","date_gmt":"2026-07-06T07:39:17","guid":{"rendered":"https:\/\/web.keywordindia.in\/mittal\/?page_id=359"},"modified":"2026-07-06T07:41:50","modified_gmt":"2026-07-06T07:41:50","slug":"mei-70","status":"publish","type":"page","link":"https:\/\/web.keywordindia.in\/mittal\/mei-70\/","title":{"rendered":"MEI 70"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"359\" class=\"elementor elementor-359\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1ca00c1 e-flex e-con-boxed e-con e-parent\" data-id=\"1ca00c1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dc278ff e-flex e-con-boxed e-con e-parent\" data-id=\"dc278ff\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-aceeeb9 elementor-widget elementor-widget-heading\" data-id=\"aceeeb9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Overview<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-03549b1 elementor-widget elementor-widget-text-editor\" data-id=\"03549b1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>MEI-70 (Cartridge Brass) offers excellent cold forming with outstanding ductility, good hot forming properties and excellent soldering and brazing<br \/>characteristics. The benchmark alloy for deep drawing, ammunition and precision stamping applications.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49666a0 elementor-widget elementor-widget-html\" data-id=\"49666a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<style>\n\/* =====================================================\n   DATASHEET TABLE CSS (Elementor Safe)\n===================================================== *\/\n\n.table-responsive{\n    width:100%;\n    overflow-x:auto;\n    -webkit-overflow-scrolling:touch;\n}\n\n.spec-table{\n    width:100%;\n    border-collapse:collapse !important;\n    border-spacing:0 !important;\n    table-layout:fixed;\n    margin:0 0 20px;\n}\n\n.spec-table th,\n.spec-table td{\n    padding:10px 14px !important;\n    border:1px solid #d4d4d4 !important;\n    line-height:1.5 !important;\n    vertical-align:middle;\n    text-align:center;\n    background-clip:padding-box;\n}\n\n.spec-table th{\n    color:#fff !important;\n    font-weight:700;\n}\n\n\/* Remove Elementor table styling *\/\n.spec-table,\n.spec-table tr,\n.spec-table td,\n.spec-table th{\n    box-shadow:none !important;\n}\n\n\/* ===========================\n   SECTION TITLES\n=========================== *\/\n\n.red-title{\n    background:#c63b2d !important;\n    color:#fff !important;\n    text-align:left;\n}\n\n.blue-title{\n    background:#30465d !important;\n    color:#fff !important;\n    text-align:left;\n}\n\n.green-title{\n    background:#0f6c58 !important;\n    color:#fff !important;\n    text-align:left;\n}\n\n.mech-title{\n    background:#245b82 !important;\n    color:#fff !important;\n    text-align:left;\n}\n\n\/* ===========================\n   COLUMN HEADERS\n=========================== *\/\n\n.red-head{\n    background:#c63b2d !important;\n}\n\n.blue-head{\n    background:#30465d !important;\n}\n\n.green-head{\n    background:#0f6c58 !important;\n}\n\n.mech-head{\n    background:#245b82 !important;\n}\n\n\/* ===========================\n   ROW COLORS\n=========================== *\/\n\n.spec-table tbody tr:nth-child(odd) td{\n    background:#ffffff !important;\n}\n\n.spec-table tbody tr:nth-child(even) td{\n    background:#d9ebf8 !important;\n}\n\n\/* ===========================\n   HOVER\n=========================== *\/\n\n.spec-table tbody tr:hover td{\n    background:#bcdcf3 !important;\n    transition:.25s ease;\n}\n\n\/* ===========================\n   FIRST COLUMN\n=========================== *\/\n\n.spec-table tbody td:first-child{\n    text-align:left;\n    font-weight:700;\n}\n\n\/* Specification column *\/\n.spec-table tbody td:nth-child(5){\n    text-align:left;\n    font-weight:700;\n}\n\n\/* Standard column *\/\n.spec-table tbody td:nth-child(3){\n    text-align:left;\n    font-weight:700;\n}\n\n\/* ===========================\n   MOBILE\n=========================== *\/\n\n@media(max-width:768px){\n\n.spec-table{\n    min-width:1100px;\n}\n\n}\n<\/style>\n\n<div class=\"table-responsive\">\n\n<table class=\"spec-table\">\n\n<tr>\n    <th colspan=\"2\" class=\"red-title\">CHEMICAL COMPOSITION (wt. %)<\/th>\n    <th colspan=\"2\" class=\"blue-title\">ALLOY DESIGNATIONS<\/th>\n    <th colspan=\"2\" class=\"green-title\">COIL \/ SHEET SPECIFICATIONS<\/th>\n<\/tr>\n\n<tr>\n    <th class=\"red-head\">Element<\/th>\n    <th class=\"red-head\">Composition (%)<\/th>\n\n    <th class=\"blue-head\">Standard<\/th>\n    <th class=\"blue-head\">Designation<\/th>\n\n    <th class=\"green-head\">Specification<\/th>\n    <th class=\"green-head\">Range<\/th>\n<\/tr>\n\n<tbody>\n\n<tr>\n<td>Cu<\/td>\n<td>69.00 \u2013 71.00<\/td>\n\n<td>IS<\/td>\n<td>IS 410<\/td>\n\n<td>Thickness (mm)<\/td>\n<td>0.04 \u2013 3.0<\/td>\n<\/tr>\n\n<tr>\n<td>Fe<\/td>\n<td>\u22640.05<\/td>\n\n<td>JIS<\/td>\n<td>C2600<\/td>\n\n<td>Width (mm)<\/td>\n<td>6.00 \u2013 406<\/td>\n<\/tr>\n\n<tr>\n<td>Pb<\/td>\n<td>\u22640.05<\/td>\n\n<td>ISO<\/td>\n<td>CuZn30<\/td>\n\n<td>Inner Dia. (mm)<\/td>\n<td>100\/150\/200\/300<br>0\/400\/500<\/td>\n<\/tr>\n\n<tr>\n<td>Ni<\/td>\n<td>\u22640.10<\/td>\n\n<td>ASTM<\/td>\n<td>C26000<\/td>\n\n<td>Coil Wt. (kg\/mm)<\/td>\n<td>1.0 \u2013 4.0<\/td>\n<\/tr>\n\n<tr>\n<td>Zn<\/td>\n<td>Rem.<\/td>\n\n<td>BS<\/td>\n<td>CZ106<\/td>\n\n<td>Sheet Length (m)<\/td>\n<td>0.50 \u2013 4.00<\/td>\n<\/tr>\n\n<\/tbody>\n\n<\/table>\n\n<table class=\"spec-table\">\n\n<tr>\n<th colspan=\"7\" class=\"mech-title\">\nMECHANICAL PROPERTIES \u2014 typical values at 20\u00b0C\n<\/th>\n<\/tr>\n\n<tr>\n<th class=\"mech-head\">Temper<\/th>\n<th class=\"mech-head\">Code<\/th>\n<th class=\"mech-head\">HV<\/th>\n<th class=\"mech-head\">Tensile MPa<\/th>\n<th class=\"mech-head\">Yield MPa<\/th>\n<th class=\"mech-head\">Elong. %<\/th>\n<th class=\"mech-head\">Grain Size mm<\/th>\n<\/tr>\n\n<tbody>\n\n<tr>\n<td>Annealed<\/td>\n<td>O<\/td>\n<td>55\u201375<\/td>\n<td>275\u2013330<\/td>\n<td>\u2264160<\/td>\n<td>\u226545<\/td>\n<td>0.035\u20130.100<\/td>\n<\/tr>\n\n<tr>\n<td>1\/4 Hard<\/td>\n<td>H01<\/td>\n<td>75\u201390<\/td>\n<td>330\u2013370<\/td>\n<td>\u2265180<\/td>\n<td>\u226540<\/td>\n<td>0.015\u20130.050<\/td>\n<\/tr>\n\n<tr>\n<td>1\/2 Hard<\/td>\n<td>H02<\/td>\n<td>95\u2013125<\/td>\n<td>380\u2013440<\/td>\n<td>\u2265220<\/td>\n<td>\u226530<\/td>\n<td>\u22640.015<\/td>\n<\/tr>\n\n<tr>\n<td>3\/4 Hard<\/td>\n<td>H03<\/td>\n<td>125\u2013145<\/td>\n<td>440\u2013480<\/td>\n<td>\u2265360<\/td>\n<td>\u226515<\/td>\n<td>\u22640.010<\/td>\n<\/tr>\n\n<tr>\n<td>Hard<\/td>\n<td>H04<\/td>\n<td>140\u2013160<\/td>\n<td>480\u2013540<\/td>\n<td>\u2265410<\/td>\n<td>\u226510<\/td>\n<td>\u22640.010<\/td>\n<\/tr>\n\n<tr>\n<td>Extra Hard<\/td>\n<td>H06<\/td>\n<td>160\u2013180<\/td>\n<td>540\u2013610<\/td>\n<td>\u2265450<\/td>\n<td>\u22655<\/td>\n<td>\u22640.005<\/td>\n<\/tr>\n\n<tr>\n<td>Spring Hard<\/td>\n<td>H08<\/td>\n<td>\u2265180<\/td>\n<td>\u2265610<\/td>\n<td>\u2265530<\/td>\n<td>\u2014<\/td>\n<td>\u22640.005<\/td>\n<\/tr>\n\n<\/tbody>\n\n<\/table>\n\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-367e756 elementor-widget elementor-widget-html\" data-id=\"367e756\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<style>\n\/* =========================\n   COMMON TABLE STYLE\n========================= *\/\n\n.datasheet-table{\n    width:100%;\n    border-collapse:collapse !important;\n    border-spacing:0 !important;\n    table-layout:fixed;\n    margin-bottom:18px;\n}\n\n.datasheet-table th,\n.datasheet-table td{\n    border:1px solid #d7d7d7 !important;\n    padding:10px 14px !important;\n    line-height:1.5;\n    vertical-align:middle;\n}\n\n.datasheet-table th{\n    color:#fff !important;\n    font-weight:700;\n}\n\n\/* Section Titles *\/\n\n.green-title{\n    background:#146b5c !important;\n    text-align:left;\n}\n\n.purple-title{\n    background:#6d3b88 !important;\n    text-align:left;\n}\n\n.red-title{\n    background:#a22e22 !important;\n    text-align:left;\n}\n\n.app-title{\n    background:#238847 !important;\n    text-align:left;\n}\n\n\/* Column Headers *\/\n\n.green-head{\n    background:#166f5f !important;\n}\n\n.purple-head{\n    background:#6d3b88 !important;\n}\n\n\/* Row Colors *\/\n\n.datasheet-table tbody tr:nth-child(odd) td{\n    background:#ffffff !important;\n}\n\n.datasheet-table tbody tr:nth-child(even) td{\n    background:#edf8f4 !important;\n}\n\n\/* Hover *\/\n\n.datasheet-table tbody tr:hover td{\n    background:#d7efe8 !important;\n    transition:.25s;\n}\n\n\/* First Column *\/\n\n.datasheet-table td:first-child{\n    font-weight:700;\n}\n\n\/* Ratings *\/\n\n.excellent{\n    color:#009966;\n    font-weight:700;\n}\n\n.good{\n    color:#008b8b;\n    font-weight:700;\n}\n\n.fair{\n    color:#c57b00;\n    font-weight:700;\n}\n\n.less{\n    color:#b03022;\n    font-weight:700;\n}\n\n\/* Corrosion Box *\/\n\n.corrosion-box{\n    border:2px solid #d63b2d;\n    padding:18px 20px;\n    line-height:1.8;\n}\n\n\/* Applications *\/\n\n.app-table tbody tr:nth-child(even) td{\n    background:#eaf8f1 !important;\n}\n\n.app-table tbody tr:nth-child(odd) td{\n    background:#ffffff !important;\n}\n\n\/* Responsive *\/\n\n@media(max-width:768px){\n\n.table-responsive{\n    overflow-x:auto;\n}\n\n.datasheet-table{\n    min-width:900px;\n}\n\n}\n<\/style>\n\n<div class=\"table-responsive\">\n\n<!-- ================= PHYSICAL PROPERTIES ================= -->\n\n<table class=\"datasheet-table\">\n\n<tr>\n<th colspan=\"5\" class=\"green-title\">\nPHYSICAL PROPERTIES \u2014 annealed temper at 20\u00b0C\n<\/th>\n<\/tr>\n\n<tr>\n<th class=\"green-head\">Density (g\/cm\u00b3)<\/th>\n<th class=\"green-head\">Elec. Conductivity (% IACS)<\/th>\n<th class=\"green-head\">Thermal Conductivity (W\/m\u00b7K)<\/th>\n<th class=\"green-head\">Modulus of Elasticity (GPa)<\/th>\n<th class=\"green-head\">Specific Heat (J\/kg\u00b7K)<\/th>\n<\/tr>\n\n<tbody>\n\n<tr>\n<td style=\"text-align:center;\">8.53<\/td>\n<td style=\"text-align:center;\">28<\/td>\n<td style=\"text-align:center;\">126<\/td>\n<td style=\"text-align:center;\">115<\/td>\n<td style=\"text-align:center;\">377<\/td>\n<\/tr>\n\n<\/tbody>\n\n<\/table>\n\n<!-- ================= FABRICATION PROPERTIES ================= -->\n\n<table class=\"datasheet-table\">\n\n<tr>\n<th colspan=\"4\" class=\"purple-title\">\nFABRICATION PROPERTIES\n<\/th>\n<\/tr>\n\n<tr>\n<th class=\"purple-head\">Fabrication Property<\/th>\n<th class=\"purple-head\">Rating<\/th>\n<th class=\"purple-head\">Fabrication Property<\/th>\n<th class=\"purple-head\">Rating<\/th>\n<\/tr>\n\n<tbody>\n\n<tr>\n<td>Capacity for Cold Working<\/td>\n<td class=\"excellent\">Excellent<\/td>\n\n<td>Soft Soldering<\/td>\n<td class=\"excellent\">Excellent<\/td>\n<\/tr>\n\n<tr>\n<td>Machinability<\/td>\n<td class=\"less\">Less suitable<\/td>\n\n<td>Resistance Welding<\/td>\n<td class=\"good\">Good<\/td>\n<\/tr>\n\n<tr>\n<td>Electroplating<\/td>\n<td class=\"excellent\">Excellent<\/td>\n\n<td>Gas Shielded Arc Welding<\/td>\n<td class=\"fair\">Fair<\/td>\n<\/tr>\n\n<tr>\n<td>Hot Dip Tinning<\/td>\n<td class=\"excellent\">Excellent<\/td>\n\n<td>Laser Welding<\/td>\n<td class=\"less\">Less suitable<\/td>\n<\/tr>\n\n<\/tbody>\n\n<\/table>\n\n<!-- ================= CORROSION RESISTANCE ================= -->\n\n<table class=\"datasheet-table\">\n\n<tr>\n<th class=\"red-title\">\nCORROSION RESISTANCE\n<\/th>\n<\/tr>\n\n<tr>\n<td style=\"padding:0;border:none !important;\">\n\n<div class=\"corrosion-box\">\n\nMEI-70 has very good resistance to water, water vapor, different saline solutions, many organic liquids and industrial atmosphere. Under cold formed temper this alloy may tend to stress corrosion cracking with hydrous ammonia environment; heat treatment can effectively prevent this.\n\n<\/div>\n\n<\/td>\n<\/tr>\n\n<\/table>\n\n<!-- ================= TYPICAL APPLICATIONS ================= -->\n\n<table class=\"datasheet-table app-table\">\n\n<tr>\n<th colspan=\"2\" class=\"app-title\">\nTYPICAL APPLICATIONS\n<\/th>\n<\/tr>\n\n<tbody>\n\n<tr>\n<td>\u2022 Terminal connectors, flashlight shells, lamp fixtures<\/td>\n<td>\u2022 Odometer contacts, heater cores, thermostats, radiator cores and tanks<\/td>\n<\/tr>\n\n<tr>\n<td>\u2022 Ammunition cartridge cases and mechanical housing<\/td>\n<td>\u2022 Jewelry and metal goods<\/td>\n<\/tr>\n\n<\/tbody>\n\n<\/table>\n\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Overview MEI-70 (Cartridge Brass) offers excellent cold forming with outstanding ductility, good hot forming properties and excellent soldering and brazingcharacteristics. The benchmark alloy for deep drawing, ammunition and precision stamping applications. CHEMICAL COMPOSITION (wt. %) ALLOY DESIGNATIONS COIL \/ SHEET SPECIFICATIONS Element Composition (%) Standard Designation Specification Range Cu 69.00 \u2013 71.00 IS IS 410 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-359","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/web.keywordindia.in\/mittal\/wp-json\/wp\/v2\/pages\/359","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/web.keywordindia.in\/mittal\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/web.keywordindia.in\/mittal\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/web.keywordindia.in\/mittal\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/web.keywordindia.in\/mittal\/wp-json\/wp\/v2\/comments?post=359"}],"version-history":[{"count":10,"href":"https:\/\/web.keywordindia.in\/mittal\/wp-json\/wp\/v2\/pages\/359\/revisions"}],"predecessor-version":[{"id":369,"href":"https:\/\/web.keywordindia.in\/mittal\/wp-json\/wp\/v2\/pages\/359\/revisions\/369"}],"wp:attachment":[{"href":"https:\/\/web.keywordindia.in\/mittal\/wp-json\/wp\/v2\/media?parent=359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}