{"id":62960,"date":"2026-08-03T08:29:25","date_gmt":"2026-08-03T08:29:25","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=62960"},"modified":"2026-08-03T08:49:19","modified_gmt":"2026-08-03T08:49:19","slug":"invar-42-strip","status":"publish","type":"post","link":"https:\/\/www.kaysuns.com\/pt\/invar-42-strip\/","title":{"rendered":"Invar 42 Strip"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"62960\" class=\"elementor elementor-62960\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-49ac54a e-flex e-con-boxed e-con e-parent\" data-id=\"49ac54a\" 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-0f77683 elementor-widget elementor-widget-heading\" data-id=\"0f77683\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Invar 42 Strip<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6fc8519 e-con-full e-flex e-con e-child\" data-id=\"6fc8519\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-81b8263 e-con-full e-flex e-con e-child\" data-id=\"81b8263\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3dcb35f elementor-widget elementor-widget-text-editor\" data-id=\"3dcb35f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<strong>Invar 42 Strip<\/strong> is a precision-rolled,thin ribbon of controlled-expansion iron-nickel alloy consisting of 42% nickel and 58% iron.Also known as Alloy 42 or Nilo 42,its defining characteristic is a virtually constant,ultra-low coefficient of thermal expansion from room temperature up to approximately 300\u00b0C (570\u00b0F).\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-48bd7f1 elementor-widget elementor-widget-text-editor\" data-id=\"48bd7f1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tThe &#8220;strip&#8221; format refers to the material being cold-rolled into flexible,thin,continuous coils.This format is ideal for high-speed manufacturing processes like stamping,bending,or chemical etching.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a862a0 elementor-widget elementor-widget-heading\" data-id=\"9a862a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Key Properties<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-29276e9 elementor-widget elementor-widget-text-editor\" data-id=\"29276e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Thermal Expansion Matching:<br \/>Its CTE closely matches that of silicon,alumina ceramics,and specific hard glasses.This prevents cracking or warping during temperature shifts when bonded together.<\/li><li>High Dimensional Stability:<br \/>The alloy undergoes minimal physical expansion or contraction when exposed to heat.<\/li><li>Curie Point:<br \/>It maintains its unique low-expansion properties up to its Curie temperature of roughly 370\u00b0C to 380\u00b0C (700\u00b0F),where it transitions from ferromagnetic to paramagnetic.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8ef8820 e-con-full e-flex e-con e-child\" data-id=\"8ef8820\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b47fa98 elementor-widget elementor-widget-image\" data-id=\"b47fa98\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"576\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/08\/Invar-42-Strip-768x576.webp\" class=\"attachment-medium_large size-medium_large wp-image-63025\" alt=\"Invar 42 Strip\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/08\/Invar-42-Strip-768x576.webp 768w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/08\/Invar-42-Strip-300x225.webp 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/08\/Invar-42-Strip-1024x768.webp 1024w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/08\/Invar-42-Strip-16x12.webp 16w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/08\/Invar-42-Strip-e1785746941444.webp 1000w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-274bee7 e-con-full e-flex e-con e-child\" data-id=\"274bee7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8861341 elementor-widget elementor-widget-heading\" data-id=\"8861341\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Applications of Invar 42 Strip<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-33a1193 e-con-full e-flex e-con e-child\" data-id=\"33a1193\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b8c3d84 elementor-widget-tablet__width-initial elementor-widget-mobile__width-initial elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"b8c3d84\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Lead frames<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Silicon bonding<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Ceramic sealing<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Vacuum tubes<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Circuit boards<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Microelectronic packaging<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Glass seals<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Thermostat strips<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-45c04f4 elementor-widget-tablet__width-initial elementor-widget-mobile__width-initial elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"45c04f4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Laser systems<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Satellite structures<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Optical mounts<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Cryogenic containers<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Shadow masks<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Precision gauges<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Measuring tapes<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Scientific instruments<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2d2cfdb e-con-full e-flex e-con e-child\" data-id=\"2d2cfdb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-390b7eb e-con-full e-flex e-con e-child\" data-id=\"390b7eb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e1eeba9 elementor-widget elementor-widget-text-editor\" data-id=\"e1eeba9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tWe offer Invar 42 strips and coils in thicknesses of 0.1 &#8211; 20.We offer not only <a href=\"https:\/\/www.kaysuns.com\/blog\/what-are-stainless-steel-strips\/\" target=\"_blank\" rel=\"noopener\">stainless steel strips<\/a> but also precision strips made of Hastelloy, Incoloy, Inconel, Monel, and other high-performance alloys.Our products comply with ASTM F1684, EN 10204, ISO 9001, PED 2014\/68\/EU, CE,and other standards.With over a decade of experience in manufacturing and import\/export,we are your best wholesaler in China.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7c6b488 e-flex e-con-boxed e-con e-parent\" data-id=\"7c6b488\" 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-6241c4a elementor-widget elementor-widget-heading\" data-id=\"6241c4a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Chemical Composition of Invar 42 Strip<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2502fee elementor-widget elementor-widget-text-editor\" data-id=\"2502fee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tInvar 42 is a binary iron-nickel controlled-expansion alloy.Its precise chemical composition is strictly regulated by international specifications such as ASTM F30 to ensure predictable thermal behavior.\n<table>\n<thead>\n<tr>\n<th bgcolor=\"#00a0e9\">Ni<\/th>\n<th bgcolor=\"#00a0e9\">Fe<\/th>\n<th bgcolor=\"#00a0e9\">Mn<\/th>\n<th bgcolor=\"#00a0e9\">Si<\/th>\n<th bgcolor=\"#00a0e9\">C<\/th>\n<th bgcolor=\"#00a0e9\">Cr<\/th>\n<th bgcolor=\"#00a0e9\">Al<\/th>\n<th bgcolor=\"#00a0e9\">P<\/th>\n<th bgcolor=\"#00a0e9\">S<\/th>\n<th bgcolor=\"#00a0e9\">Co<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>41.0 &#8211; 43.0<\/td>\n<td>Balance<\/td>\n<td>\u2264 0.80<\/td>\n<td>\u2264 0.30<\/td>\n<td>\u2264 0.05<\/td>\n<td>\u2264 0.25<\/td>\n<td>\u2264 0.10<\/td>\n<td>\u2264 0.025<\/td>\n<td>\u2264 0.025<\/td>\n<td>\u2264 0.50<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b4ed251 elementor-widget elementor-widget-heading\" data-id=\"b4ed251\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">The Chemistry-Expansion Mechanism<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-03cf2d5 elementor-widget elementor-widget-text-editor\" data-id=\"03cf2d5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tThe low coefficient of thermal expansion is entirely dependent on the specific 42% Nickel ratio.At the atomic level,when the temperature rises,thermal vibration causes normal lattice expansion.Simultaneously,a spontaneous magnetostriction contraction counterbalances this volume change.If the Nickel content drops below 40% or climbs above 43%,this delicate magnetic balancing effect breaks down,drastically accelerating the rate of thermal expansion\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e8ab4fe elementor-widget elementor-widget-heading\" data-id=\"e8ab4fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Thermal Performance Boundaries<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17243d8 elementor-widget elementor-widget-text-editor\" data-id=\"17243d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Inflection Point:<br \/>Unlike classic <a href=\"https:\/\/www.kaysuns.com\/invar-36-strip\/\" target=\"_blank\" rel=\"noopener\">Invar 36 strip<\/a>,which only maintains its low expansion up to about 100\u2103,Invar 42 extends its steady,low CTE up to 300\u2103.<\/li><li>Curie Temperature:<br \/>At around 380\u2103,the material transitions from ferromagnetic to paramagnetic.Above this thermal threshold,the Invar effect ceases,and the material begins expanding rapidly like regular steel.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1136911 elementor-widget elementor-widget-heading\" data-id=\"1136911\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Processing, Welding, &amp; Surface Finish Characteristics<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-314ddd6 elementor-widget elementor-widget-text-editor\" data-id=\"314ddd6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Heat Treatment:<br \/>To relieve internal stress and optimize its dimensional stability,Invar 42 strip undergoes process annealing at approximately 785\u2103.This must be conducted in a controlled atmosphere, such as dry hydrogen,to protect the clean surface from oxidation.<\/li><li>Chemical Etching Compatibility:<br \/>For specialized parts like electronics lead frames or display shadow masks,the chemical structure is processed to achieve a specific crystallographic texture fraction of 60\u201380%.This micro-alignment ensures perfectly uniform,highly precise chemical micro-etching.<\/li><li>Joining &amp; Plating:<br \/>Thanks to its balanced composition,the strip easily accepts electroplating with copper,nickel,tin,or gold.It accommodates versatile industrial joining methods,including electron-beam welding,laser welding,and thermocompression bonding.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1a90250 e-flex e-con-boxed e-con e-parent\" data-id=\"1a90250\" 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-faceede elementor-widget elementor-widget-heading\" data-id=\"faceede\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Invar 42 Strip Standards &amp; Equivalent Designations<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d9017d elementor-widget elementor-widget-text-editor\" data-id=\"5d9017d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<thead>\n<tr>\n<th colspan=\"6\" bgcolor=\"#00a0e9\">Invar 42 Alloy (Controlled Expansion)<\/th>\n<\/tr>\n<tr>\n<th bgcolor=\"#00a0e9\">Standard \/ System<\/th>\n<th bgcolor=\"#00a0e9\">Equivalent Designation<\/th>\n<th bgcolor=\"#00a0e9\">Product Form<\/th>\n<th bgcolor=\"#00a0e9\">GB (China)<\/th>\n<th bgcolor=\"#00a0e9\">GJB (Military)<\/th>\n<th bgcolor=\"#00a0e9\">GOST (Russia)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td bgcolor=\"#05b8e4\">Chinese Standard<\/td>\n<td>4J42 (Fe-Ni42)<\/td>\n<td bgcolor=\"#05b8e4\">Plates, Sheets &amp; Strips<\/td>\n<td>GB\/T 15018<\/td>\n<td>GJB 1952A<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Russian \/ CIS Standard<\/td>\n<td>42N \/ 42H (42\u041d)<\/td>\n<td bgcolor=\"#05b8e4\">Bars &amp; Rods<\/td>\n<td>GB\/T 14985<\/td>\n<td>&#8211;<\/td>\n<td>GOST 10994 \/ 14080<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">ISO Chemical Name<\/td>\n<td>Ni42 \/ FeNi42<\/td>\n<td bgcolor=\"#05b8e4\">Seamless Pipes &amp; Tubes<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">UNS System<\/td>\n<td>UNS K94100 \/ K94101<\/td>\n<td bgcolor=\"#05b8e4\">Welded Pipes &amp; Tubes<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Aviation \/ Aerospace<\/td>\n<td>ASTM F30 \/ Werkstoff 1.3917<\/td>\n<td bgcolor=\"#05b8e4\">Forgings &amp; Rings<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">UK Designation<\/td>\n<td>NILO Alloy 42 \/ Pernifer 42<\/td>\n<td colspan=\"4\"><\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Generic Trade Name<\/td>\n<td>Invar 42, Alloy 42<\/td>\n<td colspan=\"4\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0873665 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0873665\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-fab50c4\" data-id=\"fab50c4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-13dc001 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"13dc001\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Have a requirement?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-023cebe elementor-widget elementor-widget-heading\" data-id=\"023cebe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-medium\">Kaysuns is a professional supplier of Invar 42 Strips.Please feel free to contact me if you have any requirements.<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-f9339b2\" data-id=\"f9339b2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-23eb49e elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"23eb49e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Contact Us For More Information\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4d64e58 elementor-align-center elementor-mobile-align-center elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"4d64e58\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjQ2ODEzIiwidG9nZ2xlIjpmYWxzZX0%3D\" target=\"_blank\" id=\"#241018\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Contact Us<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-ada0af4 e-flex e-con-boxed e-con e-parent\" data-id=\"ada0af4\" 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-508cfa1 elementor-widget elementor-widget-heading\" data-id=\"508cfa1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Mechanical Properties of Invar 42 Strip<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1cfc90c e-con-full e-flex e-con e-child\" data-id=\"1cfc90c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d5d3f61 elementor-widget elementor-widget-text-editor\" data-id=\"d5d3f61\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tThe mechanical properties of Invar 42 Strip vary depending on the material&#8217;s temper.Because the strip format is commonly processed through stamping,deep drawing,or photochemical etching,it is typically supplied in either an Annealed state or a Cold-Rolled temper.\n<table>\n<thead>\n<tr>\n<th bgcolor=\"#00a0e9\">Mechanical Property<\/th>\n<th bgcolor=\"#00a0e9\">Annealed (Soft) Temper<\/th>\n<th bgcolor=\"#00a0e9\">Cold-Rolled (Hard) Temper<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td bgcolor=\"#05b8e4\">Tensile Strength<\/td>\n<td>490 &#8211; 550 MPa (71 &#8211; 80 ksi)<\/td>\n<td>690 &#8211; 850 MPa (100 &#8211; 123 ksi)<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Yield Strength<\/td>\n<td>240 &#8211; 310 MPa (35 &#8211; 45 ksi)<\/td>\n<td>580 &#8211; 760 MPa (84 &#8211; 110 ksi)<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Elongation<\/td>\n<td>30 &#8211; 45%<\/td>\n<td>2 &#8211; 8%<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Hardness<\/td>\n<td>\u2264 80 HRB (\u2264 160 HV)<\/td>\n<td>\u2265 95 HRB (\u2265 220 HV)<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Modulus of Elasticity<\/td>\n<td>145 &#8211; 150 GPa (21 \u00d7 10\u2076 psi)<\/td>\n<td>Slightly higher depending on cold work<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Poisson&#8217;s Ratio<\/td>\n<td>0.25 &#8211; 0.29<\/td>\n<td>0.25 &#8211; 0.29<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-66ae3c5 elementor-widget elementor-widget-heading\" data-id=\"66ae3c5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Grain Size Control for Etching and Stamping<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c1744b6 elementor-widget elementor-widget-text-editor\" data-id=\"c1744b6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>For ultra-thin Invar 42 strips used in semiconductor lead frames or OLED shadow masks,grain size control is critical.Manufacturers must balance the annealing cycle to achieve a fine,uniform grain size (ASTM 7 or finer).<\/p><ul><li>Too coarse grain structures lead to an orange-peel effect during stamping and uneven edges during chemical micro-etching.<\/li><li>Too fine structures might induce excessive residual stress,causing the strip to warp or oil-can during high-speed stamping operations.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cfb9e06 elementor-widget elementor-widget-heading\" data-id=\"cfb9e06\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">The Interplay Between Cold Working and Magnetic properties<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fdb971e elementor-widget elementor-widget-text-editor\" data-id=\"fdb971e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tCold rolling increases the mechanical strength through work hardening,but it introduces heavy internal lattice strains.These strains disrupt the spontaneous magnetostriction mechanism responsible for the low thermal expansion effect.Therefore,if a strip is stamped or formed in a cold-rolled condition,a final stress-relief or recrystallization anneal is required to fully restore its original low coefficient of thermal expansion.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ac45b60 e-con-full e-flex e-con e-child\" data-id=\"ac45b60\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-9cff2d5 e-con-full e-flex e-con e-child\" data-id=\"9cff2d5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f2d576c elementor-widget elementor-widget-heading\" data-id=\"f2d576c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">High-Temperature Mechanical Behavior<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c14a4dd elementor-widget elementor-widget-text-editor\" data-id=\"c14a4dd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tUnlike structural carbon steels,Invar 42 retains relatively stable mechanical integrity up to its Curie point (380\u00b0C).However,beyond 400\u00b0C to 500\u00b0C,its yield strength drops rapidly.If used in glass-to-metal sealing applications,the structural components must be supported during the high-temperature glass-firing cycle (800\u00b0C &#8211; 1000\u00b0C) to prevent plastic deformation under their own weight.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e36d2c9 e-con-full e-flex e-con e-child\" data-id=\"e36d2c9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8d6201f elementor-widget elementor-widget-heading\" data-id=\"8d6201f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Anisotropy in Cold-Rolled Strips<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d4ce0e elementor-widget elementor-widget-text-editor\" data-id=\"5d4ce0e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tWhen Invar 42 is heavily cold-rolled into thin strips,it develops a directional crystallographic texture .This results in mechanical anisotropy,meaning the tensile strength and elongation will differ when measured parallel versus perpendicular to the rolling direction.Engineering designs for stamped components must account for this directional variance to prevent cracking along bend radii.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3b53e8d e-flex e-con-boxed e-con e-parent\" data-id=\"3b53e8d\" 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-76bf7d1 elementor-widget elementor-widget-heading\" data-id=\"76bf7d1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Our Advantages in  Manufacturing Invar 42 Strip<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ce29c2d e-con-full e-flex e-con e-child\" data-id=\"ce29c2d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-2c1a613 e-con-full e-flex e-con e-child\" data-id=\"2c1a613\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e3d6dad elementor-widget elementor-widget-heading\" data-id=\"e3d6dad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Ultra-Precise Gauge Control<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-631d9fe elementor-widget elementor-widget-text-editor\" data-id=\"631d9fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tOur manufacturing facility utilizes state-of-the-art 20-high Sendzimir cold-rolling mills capable of reducing Invar 42 strips to ultra-thin gauges down to 0.05 mm.By implementing real-time automatic gauge control systems,we guarantee extremely tight thickness tolerances and exceptional flatness across the entire length of the coil.This eliminates structural defects like edge waves or center buckles,ensuring seamless compatibility and maximum yields during high-speed automated progressive die stamping operations.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d8b3761 e-con-full e-flex e-con e-child\" data-id=\"d8b3761\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-64578cd elementor-widget elementor-widget-heading\" data-id=\"64578cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Optimized Micro-Etching Texture<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-97dd54c elementor-widget elementor-widget-text-editor\" data-id=\"97dd54c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tWe precisely regulate the final recrystallization annealing cycle to develop a highly uniform,fine grain structure rated at ASTM 8 or finer with a specific crystallographic orientation.This microstructural optimization is engineered specifically for chemical photo-etching,completely eliminating edge burrs and jagged sidewalls during processing.As a result,our strips deliver the flawless precision required for manufacturing high-density semiconductor lead frames and delicate OLED display shadow masks.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d6d3355 e-con-full e-flex e-con e-child\" data-id=\"d6d3355\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-dbc87ab e-con-full e-flex e-con e-child\" data-id=\"dbc87ab\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d51755b elementor-widget elementor-widget-heading\" data-id=\"d51755b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Flawless Thermal Matching<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51d117a elementor-widget elementor-widget-text-editor\" data-id=\"51d117a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tThrough advanced Vacuum Induction Melting technology,we strictly control the alloy matrix,keeping harmful trace impurities such as carbon,chromium,and sulfur well below 0.01%.This pristine chemical purity ensures a stable and predictable coefficient of thermal expansion that perfectly matches silicon,alumina ceramics,and hard glass up to 300\u00b0C.By securing this ideal thermal harmony,our material prevents any structural cracking or delamination caused by thermal stress in electronic packaging.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-597c2b7 e-con-full e-flex e-con e-child\" data-id=\"597c2b7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ea027d1 elementor-widget elementor-widget-heading\" data-id=\"ea027d1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Customized Surface Finishes<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49fc690 elementor-widget elementor-widget-text-editor\" data-id=\"49fc690\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tOur strips undergo specialized continuous annealing in a pure,dry hydrogen atmosphere,resulting in an oxide-free,bright mirror-like surface finish.This ultra-clean surface chemistry provides exceptional adhesion for subsequent industrial electroplating processes involving nickel,tin,copper,or gold.Furthermore,we offer bespoke post-processing solutions,including precision slitting to your exact width requirements and customized coil packaging tailored to fit your automated production feeders.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2506ecd e-flex e-con-boxed e-con e-parent\" data-id=\"2506ecd\" 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-c569177 elementor-widget elementor-widget-heading\" data-id=\"c569177\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQs About Invar 42 Strip<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-31b8231 elementor-widget elementor-widget-accordion\" data-id=\"31b8231\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-5211\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-5211\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">How does Invar 42 differ from Invar 36?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-5211\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-5211\">Invar 36 (36% Ni) offers the lowest overall expansion but only up to 100\u00b0C (212\u00b0F).Invar 42 (42% Ni) maintains its stable,low expansion rate up to a much higher temperature of approximately 300\u00b0C (572\u00b0F).<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-5212\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-5212\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Does cold rolling change the strip's properties?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-5212\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-5212\">Yes.Cold rolling increases mechanical strength and hardness for cleaner stamping,but the internal stresses increase its thermal expansion rate.A final stress-relief anneal is required to fully restore its low-expansion properties.<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-5213\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-5213\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Is Invar 42 strip suitable for chemical etching?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-5213\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-5213\">Yes.When manufactured with an ultra-fine grain size (ASTM 8 or finer),it allows for highly precise photochemical machining. This ensures uniform material removal,sharp corners,and burr-free edges for electronics.<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-5214\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-5214\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">What post-stamping heat treatment is recommended?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-5214\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-5214\">Parts should be annealed at 780\u00b0C to 850\u00b0C (1435\u00b0F to 1560\u00b0F) for 30 to 60 minutes,followed by slow cooling.This must be done in a dry hydrogen or vacuum atmosphere to prevent surface oxidation.<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-5215\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-5215\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Does Invar 42 strip rust?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-5215\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-5215\">Yes.While its high nickel content provides better atmospheric resistance than carbon steel,it is not stainless steel and will rust in humid environments.It is frequently electroplated with nickel or gold for protection.<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How does Invar 42 differ from Invar 36?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Invar 36 (36% Ni) offers the lowest overall expansion but only up to 100\\u00b0C (212\\u00b0F).Invar 42 (42% Ni) maintains its stable,low expansion rate up to a much higher temperature of approximately 300\\u00b0C (572\\u00b0F).\"}},{\"@type\":\"Question\",\"name\":\"Does cold rolling change the strip's properties?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes.Cold rolling increases mechanical strength and hardness for cleaner stamping,but the internal stresses increase its thermal expansion rate.A final stress-relief anneal is required to fully restore its low-expansion properties.\"}},{\"@type\":\"Question\",\"name\":\"Is Invar 42 strip suitable for chemical etching?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes.When manufactured with an ultra-fine grain size (ASTM 8 or finer),it allows for highly precise photochemical machining. This ensures uniform material removal,sharp corners,and burr-free edges for electronics.\"}},{\"@type\":\"Question\",\"name\":\"What post-stamping heat treatment is recommended?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Parts should be annealed at 780\\u00b0C to 850\\u00b0C (1435\\u00b0F to 1560\\u00b0F) for 30 to 60 minutes,followed by slow cooling.This must be done in a dry hydrogen or vacuum atmosphere to prevent surface oxidation.\"}},{\"@type\":\"Question\",\"name\":\"Does Invar 42 strip rust?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes.While its high nickel content provides better atmospheric resistance than carbon steel,it is not stainless steel and will rust in humid environments.It is frequently electroplated with nickel or gold for protection.\"}}]}<\/script>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element 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