{"id":63348,"date":"2026-08-11T08:26:10","date_gmt":"2026-08-11T08:26:10","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=63348"},"modified":"2026-08-11T08:26:13","modified_gmt":"2026-08-11T08:26:13","slug":"1j36-bright-bar","status":"publish","type":"post","link":"https:\/\/www.kaysuns.com\/fr\/1j36-bright-bar\/","title":{"rendered":"1J36 Bright Bar"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"63348\" class=\"elementor elementor-63348\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2bf3ef4 e-flex e-con-boxed e-con e-parent\" data-id=\"2bf3ef4\" 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-5c443ec elementor-widget elementor-widget-heading\" data-id=\"5c443ec\" 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\">1J36 Bright Bar<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8b7eb4c e-con-full e-flex e-con e-child\" data-id=\"8b7eb4c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-ca5f945 e-con-full e-flex e-con e-child\" data-id=\"ca5f945\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5ed886b elementor-widget elementor-widget-text-editor\" data-id=\"5ed886b\" 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>1J36 bright bar<\/strong> is a metal bar manufactured through precision cold-working processes.It is made from 1J36,a specialized nickel-iron alloy known for its extremely low coefficient of thermal expansion.Through advanced finishing processes such as cold drawing,peeling,or centerless grinding,the finished product features an exceptionally smooth,bright surface and strict dimensional tolerances.\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-67f0f15 elementor-widget elementor-widget-heading\" data-id=\"67f0f15\" 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\">Material Composition &amp; 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-6a75a3f elementor-widget elementor-widget-text-editor\" data-id=\"6a75a3f\" 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>Chemical Profile:<br \/>It contains roughly 36% nickel combined with a balance of iron,strictly regulating its molecular behavior under shifting temperatures.<\/li><li>Thermal Stability:<br \/>It maintains virtually constant dimensions from cryogenic temperatures up to about 250\u00b0C (482\u00b0F).<\/li><li>Surface Quality:<br \/>The cold-finished &#8220;bright&#8221; surface removes all scaling and imperfections,making it immediately ready for automated CNC high-speed machining.<\/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-2f9e638 e-con-full e-flex e-con e-child\" data-id=\"2f9e638\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c5b6e25 elementor-widget elementor-widget-image\" data-id=\"c5b6e25\" 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\/1J36-Bright-Bar-768x576.webp\" class=\"attachment-medium_large size-medium_large wp-image-63401\" alt=\"1J36 Bright Bar\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/08\/1J36-Bright-Bar-768x576.webp 768w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/08\/1J36-Bright-Bar-300x225.webp 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/08\/1J36-Bright-Bar-1024x768.webp 1024w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/08\/1J36-Bright-Bar-16x12.webp 16w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/08\/1J36-Bright-Bar-e1786436423357.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\t\t<div class=\"elementor-element elementor-element-54cdef6 elementor-widget elementor-widget-heading\" data-id=\"54cdef6\" 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 1J36 Bright Bar<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b1c9a06 e-con-full e-flex e-con e-child\" data-id=\"b1c9a06\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-0fdf25e e-con-full e-flex e-con e-child\" data-id=\"0fdf25e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8754e01 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=\"8754e01\" 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\">Aerospace instruments<\/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\">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\">Optical benches<\/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\">Composite molds<\/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\">Metrology gauges<\/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<div class=\"elementor-element elementor-element-6625e68 e-con-full e-flex e-con e-child\" data-id=\"6625e68\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a781f5e 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=\"a781f5e\" 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\">Cryogenic valves<\/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\">Seismograph Parts<\/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\">Clock pendulums<\/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\">Thermostat rods<\/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\t\t<div class=\"elementor-element elementor-element-4884d18 elementor-widget elementor-widget-text-editor\" data-id=\"4884d18\" 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 1J36 bright bars in diameters ranging from OD \u222e10mm to 101mm,manufactured in compliance with GB\/T 14986.2 \/ ASTM F1684.<br \/>\nIn addition to <a href=\"https:\/\/www.kaysuns.com\/blog\/what-are-stainless-steel-bright-bars\/\" target=\"_blank\" rel=\"noopener\">stainless steel bright bars<\/a>,we supply high-performance alloy pipes made from Hastelloy, Incoloy, Inconel, and Monel\u2014fully compliant with PED 2014\/68\/EU and CE marks for pressure equipment.All our production and testing processes are certified to ISO 9001,and products are delivered with EN 10204 3.1 Mill Test Certificates.With over a decade of experience in manufacturing,import,and export,we are your most trusted wholesaler in China.\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-677dc65 e-flex e-con-boxed e-con e-parent\" data-id=\"677dc65\" 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-d8858b4 elementor-widget elementor-widget-heading\" data-id=\"d8858b4\" 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 1J36 Bright Bar<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-48f9197 elementor-widget elementor-widget-text-editor\" data-id=\"48f9197\" 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 1J36 alloy is a binary iron-nickel alloy.Its unique low-expansion property relies entirely on the precise ratio of 36% Nickel to 64% Iron.<br \/>According to GB\/T 14986.2,the chemical composition limits by weight percent are specified as follows:\n<table>\n<thead>\n<tr>\n<th bgcolor=\"#00a0e9\">Ni<\/th>\n<th bgcolor=\"#00a0e9\">Fe<\/th>\n<th bgcolor=\"#00a0e9\">C<\/th>\n<th bgcolor=\"#00a0e9\">Si<\/th>\n<th bgcolor=\"#00a0e9\">Mn<\/th>\n<th bgcolor=\"#00a0e9\">P<\/th>\n<th bgcolor=\"#00a0e9\">S<\/th>\n<th bgcolor=\"#00a0e9\">Cr<\/th>\n<th bgcolor=\"#00a0e9\">Co<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>35.0 &#8211; 37.0<\/td>\n<td>Balance<\/td>\n<td>\u2264 0.05<\/td>\n<td>\u2264 0.30<\/td>\n<td>\u2264 0.60<\/td>\n<td>\u2264 0.02<\/td>\n<td>\u2264 0.02<\/td>\n<td>\u2264 0.25<\/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<div class=\"elementor-element elementor-element-89ba0d5 e-con-full e-flex e-con e-child\" data-id=\"89ba0d5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3634cd2 elementor-widget elementor-widget-heading\" data-id=\"3634cd2\" 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 Invar Effect<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-efe2d3f elementor-widget elementor-widget-text-editor\" data-id=\"efe2d3f\" 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 ultra-low thermal expansion of 1J36 is a quantum-mechanical phenomenon called the Invar Effect.At room temperature,the natural thermal expansion (atoms vibrating further apart as they heat up) is precisely counteracted by a magnetic volume contraction (magnetostriction).This delicate balance only occurs when the Nickel content is held strictly between 35% and 37%.\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-59db0a7 elementor-widget elementor-widget-heading\" data-id=\"59db0a7\" 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\">Why the \"Bright\" Surface Quality Matters<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bb06203 elementor-widget elementor-widget-accordion\" data-id=\"bb06203\" 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-1961\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1961\" 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\">The Process<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1961\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1961\">Hot-rolled black bars \u2192 Descaling\/Peeling \u2192 Cold Drawing \u2192 Centerless Grinding \u2192  Polishing.<\/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-1962\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-1962\" 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\">Result<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1962\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-1962\">This removes all surface decarburization (carbon loss) and imperfections,delivering a mirror-like finish (Ra \u2264 0.8 \u03bcm) and tight dimensional tolerances (typically h9 or h11).It is ready for direct feeding into high-speed CNC automated lathes.<\/div>\n\t\t\t\t<\/div>\n\t\t\t\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<div class=\"elementor-element elementor-element-4e129a2 elementor-widget elementor-widget-heading\" data-id=\"4e129a2\" 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\">Crucial Heat Treatment for Stress Relief<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eb3616c elementor-widget elementor-widget-text-editor\" data-id=\"eb3616c\" 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>Cold working (drawing and grinding) introduces massive residual stresses into the crystal lattice.Internal stress alters the atomic alignment,directly ruining the low-expansion effect.To restore the properties dictated by its chemical composition,1J36 bright bars require a specialized 3-step stabilization heat treatment:<\/p><ul><li>Solution Annealing:<br \/>Heat to 830\u2103 \u00b1 20\u2103,hold for 30\u201360 minutes,then water quench to homogenize the structure.<\/li><li>Stress Relieving:<br \/>Heat to 315\u2103 \u00b1 10\u2103,hold for 1\u20134 hours, air cool to eliminate machining stresses.<\/li><li>Artificial Aging:<br \/>Heat to 95\u2103 \u00b1 5\u2103,hold for 48 hours,air cool to stabilize the micro-structure against micro-creep variations over time.<\/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\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d114876 e-flex e-con-boxed e-con e-parent\" data-id=\"d114876\" 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-8a48fa9 elementor-widget elementor-widget-heading\" data-id=\"8a48fa9\" 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\">1J36 Bright Bar 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-0ad8a5f elementor-widget elementor-widget-text-editor\" data-id=\"0ad8a5f\" 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\">1J36 (36% Nickel-Iron Soft Magnetic &amp; Low Expansion Alloy)<\/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 \/ GB\/T (China)<\/th>\n<th bgcolor=\"#00a0e9\">GJB (Military)<\/th>\n<th bgcolor=\"#00a0e9\">ASTM \/ MIL (USA)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td bgcolor=\"#05b8e4\">Chinese Standard<\/td>\n<td>1J36<\/td>\n<td bgcolor=\"#05b8e4\">Bright Bars &amp; Rods<\/td>\n<td>GB\/T 14986<\/td>\n<td>GJB 3323A<\/td>\n<td>ASTM F1684<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">US Trade Name<\/td>\n<td>Invar 36 \/ Nilo 36<\/td>\n<td bgcolor=\"#05b8e4\">Cold-Drawn Wire<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>MIL-I-23011 Class 7<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">UNS System<\/td>\n<td>K93600 \/ K93601<\/td>\n<td bgcolor=\"#05b8e4\">Hot-Rolled Bars<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>ASTM B753<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">European \/ DIN Designation<\/td>\n<td>1.3912 \/ FeNi36 \/ Vacodil 36<\/td>\n<td bgcolor=\"#05b8e4\">Forged Billets<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">UK Standard<\/td>\n<td>Nilo 36 \/ Pernifer 36<\/td>\n<td bgcolor=\"#05b8e4\">Strips &amp; Sheets<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Russian \/ GOST Standard<\/td>\n<td>36N (36\u041d)<\/td>\n<td colspan=\"4\"><\/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\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-42d20af elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"42d20af\" 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-08ef53d\" data-id=\"08ef53d\" 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-4673b6f elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"4673b6f\" 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-318854f elementor-widget elementor-widget-heading\" data-id=\"318854f\" 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 1J36 Bright Bar.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-6706e39\" data-id=\"6706e39\" 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-b979db1 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"b979db1\" 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-2649754 elementor-align-center elementor-mobile-align-center elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"2649754\" 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-a164843 e-flex e-con-boxed e-con e-parent\" data-id=\"a164843\" 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-3b00cdd elementor-widget elementor-widget-heading\" data-id=\"3b00cdd\" 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 1J36 Bright Bar<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8428c4b elementor-widget elementor-widget-text-editor\" data-id=\"8428c4b\" 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 a 1J36 Bright Bar are defined by its balanced austenitic matrix.While its primary engineering value lies in its ultra-low thermal expansion,maintaining specific mechanical boundaries is critical to ensure structural integrity and successful precision machining.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4d3a8e3 e-con-full e-flex e-con e-child\" data-id=\"4d3a8e3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a919b48 elementor-widget elementor-widget-text-editor\" data-id=\"a919b48\" 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 bgcolor=\"#00a0e9\">Mechanical Property<\/th>\n<th bgcolor=\"#00a0e9\">Typical Metric Value<\/th>\n<th bgcolor=\"#00a0e9\">Typical Imperial Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td bgcolor=\"#05b8e4\">Tensile Strength<\/td>\n<td>490 &#8211; 620 MPa<\/td>\n<td>71 &#8211; 90 ksi<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Yield Strength<\/td>\n<td>240 &#8211; 350 MPa<\/td>\n<td>35 &#8211; 51 ksi<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Elongation<\/td>\n<td>\u2265 30%<\/td>\n<td>\u2265 30%<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Reduction of Area<\/td>\n<td>\u2265 50%<\/td>\n<td>\u2265 50%<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Brinell Hardness<\/td>\n<td>130 &#8211; 160 HB<\/td>\n<td>130 &#8211; 160 HB<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Modulus of Elasticity<\/td>\n<td>141 &#8211; 144 GPa<\/td>\n<td>20.5 \u00d7 10<sup>6<\/sup> psi<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05b8e4\">Charpy Impact Toughness<\/td>\n<td>\u2265 120 J\/cm<sup>2<\/sup><\/td>\n<td>\u2265 57 ft \u00b7 lbf<\/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<div class=\"elementor-element elementor-element-d9deca4 e-con-full e-flex e-con e-child\" data-id=\"d9deca4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-1034378 e-con-full e-flex e-con e-child\" data-id=\"1034378\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-13c29b1 elementor-widget elementor-widget-heading\" data-id=\"13c29b1\" 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\">Work Hardening Rate &amp; Machinability<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4609aae elementor-widget elementor-widget-text-editor\" data-id=\"4609aae\" 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>1J36 is an austenitic alloy,meaning it exhibits a high rate of work hardening during cutting operations.<\/p><ul><li>The Bright Bar Advantage:<br \/>The cold drawing process used to create the &#8220;bright&#8221; finish pre-hardens the surface layer.This prevents the metal from becoming overly gummy or sticky during automated high-speed CNC turning.<\/li><li>Machining Strategy:<br \/>To counter work hardening, machinists must use positive rake angles,sharp carbide inserts,low cutting speeds,and heavy,continuous feeds to ensure the tool stays beneath the work-hardened layer created by the previous pass.<\/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-226e9c9 e-con-full e-flex e-con e-child\" data-id=\"226e9c9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6425b2d elementor-widget elementor-widget-heading\" data-id=\"6425b2d\" 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\">Hardness VS Dimension Stability<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7b81be2 elementor-widget elementor-widget-text-editor\" data-id=\"7b81be2\" 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>There is a direct tradeoff between mechanical strength and thermal stability:<\/p><ul><li>As-Cold-Drawn:<br \/>Increases tensile strength and surface hardness,making the bar easier to drill and tap without burrs.However,it locks in residual macro-stresses that distort the low-expansion coefficient.<br \/><br \/><\/li><li>Fully Annealed:<br \/>Restores the ideal Invar effect and stabilizes micro-creep,but renders the metal softer,highly ductile,and prone to long,stringy chips during machining.<\/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\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-336289c elementor-widget elementor-widget-heading\" data-id=\"336289c\" 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\">Cryogenic Ductility and Toughness<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c510478 elementor-widget elementor-widget-text-editor\" data-id=\"c510478\" 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>Unlike ferritic steels that become brittle and fracture under extreme cold,1J36 maintains its face-centered cubic structure.As the temperature drops down to liquid nitrogen or liquid helium ranges:<\/p><ul><li>Tensile and yield strengths increase significantly.<\/li><li>Elongation and impact toughness remain exceptionally high.<\/li><li>This unique mechanical resilience makes 1J36 bright bars perfect for manufacturing structural supports, cryogenic valves,and fluid fasteners in liquified gas systems.<\/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\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b7afe2f e-flex e-con-boxed e-con e-parent\" data-id=\"b7afe2f\" 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-11e6b18 elementor-widget elementor-widget-heading\" data-id=\"11e6b18\" 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 1J36 Bright Bar<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bec8f2a e-con-full e-flex e-con e-child\" data-id=\"bec8f2a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-b106bc9 e-con-full e-flex e-con e-child\" data-id=\"b106bc9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5e47434 elementor-widget elementor-widget-heading\" data-id=\"5e47434\" 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 Chemistry Control<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fdfb516 elementor-widget elementor-widget-text-editor\" data-id=\"fdfb516\" 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 utilize advanced Vacuum Induction Melting (VIM) to lock Nickel content strictly between 35.8% and 36.2%,guaranteeing an ultra-low thermal expansion coefficient that meets critical aerospace standards.\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-430e69a e-con-full e-flex e-con e-child\" data-id=\"430e69a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0e1547f elementor-widget elementor-widget-heading\" data-id=\"0e1547f\" 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 Surface Finish<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b4802b8 elementor-widget elementor-widget-text-editor\" data-id=\"b4802b8\" 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 automated centerless grinding and multi-pass polishing lines achieve a mirror-like surface roughness of Ra \u2264 0.4 \u03bcm,completely eliminating micro-cracks and decarburization layers.\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-26160b9 e-con-full e-flex e-con e-child\" data-id=\"26160b9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-0a56562 e-con-full e-flex e-con e-child\" data-id=\"0a56562\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fb8842c elementor-widget elementor-widget-heading\" data-id=\"fb8842c\" 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\">Strict Dimensional Tolerances<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d470db6 elementor-widget elementor-widget-text-editor\" data-id=\"d470db6\" 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\tBacked by precision cold-drawing technologies,our bright bars achieve tight dimensional accuracy up to h8 or h9 levels,making them perfectly optimized for direct,high-speed automated CNC machining.\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-3ab3d7d e-con-full e-flex e-con e-child\" data-id=\"3ab3d7d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2a282f6 elementor-widget elementor-widget-heading\" data-id=\"2a282f6\" 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\">Advanced Thermal Stabilization<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dcf2bd7 elementor-widget elementor-widget-text-editor\" data-id=\"dcf2bd7\" 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\tEvery production batch undergoes a proprietary three-stage stress-relief and artificial aging heat treatment,ensuring permanent micro-structural stability and preventing dimensional drifting over long-term use.\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-b6f4315 e-flex e-con-boxed e-con e-parent\" data-id=\"b6f4315\" 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-c36e070 elementor-widget elementor-widget-heading\" data-id=\"c36e070\" 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 1J36 Bright Bar<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e607a41 elementor-widget elementor-widget-accordion\" data-id=\"e607a41\" 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-2411\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-2411\" 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 is the difference between a 1J36 Black Bar and a 1J36 Bright Bar?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2411\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-2411\">The difference lies in surface processing and dimensional precision.A Black Bar is hot-rolled and retains a dark,rough oxide scale with loose dimensional tolerances.A Bright Bar is produced by taking a black bar and subjecting it to cold finishing (peeling,cold drawing, centerless grinding,and polishing).Bright bars feature a mirror-like finish (Ra \u2264 0.8 \u03bcm),precise diameter tolerances (such as h9 or h11),and zero surface decarburization,making them ready for immediate CNC automated machining.<\/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-2412\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-2412\" 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\">Why is chemistry control so critical for 1J36?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2412\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-2412\">The &#8220;Invar Effect&#8221; relies completely on a precise chemical balance of 36% Nickel and 64% Iron.If the nickel content drifts by even 1%,the thermal expansion coefficient can double.High-quality manufacturers use VIM to lock the nickel content tightly between 35.8% and 36.2% while minimizing trace impurities like Carbon,Phosphorus,and Sulfur which ruin the alloy&#8217;s stability.<\/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-2413\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-2413\" 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 machining a 1J36 Bright Bar affect its low-expansion properties?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2413\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-2413\">Yes,severely.1J36 is an austenitic alloy that work-hardens rapidly.Heavy machining,drilling,and grinding introduce massive internal residual stresses into the crystal lattice.Internal stress disrupts the magnetic alignment of the atoms,ruining the low-expansion effect.To restore its original properties,the machined components must undergo a post-machining stress-relief heat treatment (typically at 315\u00b0C \u00b1 10\u00b0C) before final metrology or assembly.<\/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-2414\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-2414\" 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 1J36 suitable for cryogenic applications?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-2414\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-2414\">Yes,exceptionally so.Unlike standard carbon steels that become brittle and crack in extreme cold,1J36 retains its FCC crystal structure.At cryogenic temperatures,its tensile and yield strengths actually increase while it maintains excellent impact toughness and ductility.This makes it ideal for liquid gas valves,aerospace fuel systems,and cryogenic piping joints.<\/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\":\"What is the difference between a 1J36 Black Bar and a 1J36 Bright Bar?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The difference lies in surface processing and dimensional precision.A Black Bar is hot-rolled and retains a dark,rough oxide scale with loose dimensional tolerances.A Bright Bar is produced by taking a black bar and subjecting it to cold finishing (peeling,cold drawing, centerless grinding,and polishing).Bright bars feature a mirror-like finish (Ra \\u2264 0.8 \\u03bcm),precise diameter tolerances (such as h9 or h11),and zero surface decarburization,making them ready for immediate CNC automated machining.\"}},{\"@type\":\"Question\",\"name\":\"Why is chemistry control so critical for 1J36?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The &#8220;Invar Effect&#8221; relies completely on a precise chemical balance of 36% Nickel and 64% Iron.If the nickel content drifts by even 1%,the thermal expansion coefficient can double.High-quality manufacturers use VIM to lock the nickel content tightly between 35.8% and 36.2% while minimizing trace impurities like Carbon,Phosphorus,and Sulfur which ruin the alloy&#8217;s stability.\"}},{\"@type\":\"Question\",\"name\":\"Does machining a 1J36 Bright Bar affect its low-expansion properties?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes,severely.1J36 is an austenitic alloy that work-hardens rapidly.Heavy machining,drilling,and grinding introduce massive internal residual stresses into the crystal lattice.Internal stress disrupts the magnetic alignment of the atoms,ruining the low-expansion effect.To restore its original properties,the machined components must undergo a post-machining stress-relief heat treatment (typically at 315\\u00b0C \\u00b1 10\\u00b0C) before final metrology or assembly.\"}},{\"@type\":\"Question\",\"name\":\"Is 1J36 suitable for cryogenic applications?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes,exceptionally so.Unlike standard carbon steels that become brittle and crack in extreme cold,1J36 retains its FCC crystal structure.At cryogenic temperatures,its tensile and yield strengths actually increase while it maintains excellent impact toughness and ductility.This makes it ideal for liquid gas valves,aerospace fuel systems,and cryogenic piping joints.\"}}]}<\/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 elementor-element-cf91c19 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cf91c19\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-cc212b6\" data-id=\"cc212b6\" 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-b1d39cf elementor-widget elementor-widget-heading\" data-id=\"b1d39cf\" data-element_type=\"widget\" data-e-type=\"widget\" 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