{"id":62708,"date":"2026-07-27T08:48:01","date_gmt":"2026-07-27T08:48:01","guid":{"rendered":"https:\/\/www.kaysuns.com\/?post_type=blog&#038;p=62708"},"modified":"2026-07-27T08:48:03","modified_gmt":"2026-07-27T08:48:03","slug":"1j36-vs-4j36-properties","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/1j36-vs-4j36-properties\/","title":{"rendered":"1J36 VS 4J36:Why Are They All Known As Invar 36?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"62708\" class=\"elementor elementor-62708\" data-elementor-post-type=\"blog\">\n\t\t\t\t<div class=\"elementor-element elementor-element-41ca811 e-flex e-con-boxed e-con e-parent\" data-id=\"41ca811\" 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-8dcdc8c elementor-widget elementor-widget-text-editor\" data-id=\"8dcdc8c\" 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\tUnderstanding the <strong>1J36 vs 4J36<\/strong> comparison helps engineers choose the right nickel-iron alloy for critical projects.Both materials contain approximately 36% nickel and 64% iron.Because of this shared base metal,suppliers often call both materials Invar 36.However,their internal standards target completely different physical properties.One alloy optimizes low thermal expansion rate.The other alloy optimizes soft magnetic permeability.\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-5e905a2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5e905a2\" 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-100 elementor-top-column elementor-element elementor-element-96d8a4d\" data-id=\"96d8a4d\" 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-513b2ad elementor-widget elementor-widget-heading\" data-id=\"513b2ad\" 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\">What Is Invar 36 And Why The Overlap?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a1bfe5 elementor-widget elementor-widget-text-editor\" data-id=\"2a1bfe5\" 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 36 is a famous 36% nickel-iron alloy known for minimal thermal expansion.Swiss physicist Charles \u00c9douard Guillaume invented this unique alloy family in 1896.Near room temperature,the alloy maintains nearly constant physical dimensions.\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-fffd20c elementor-widget elementor-widget-text-editor\" data-id=\"fffd20c\" 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\tChinese industrial standards use two separate letter prefixes for this 36% nickel alloy family.The prefix &#8220;4J&#8221; signifies a precision expansion alloy.4J36 focuses strictly on maintaining an extremely low coefficient of thermal expansion.The prefix &#8220;1J&#8221; signifies a soft magnetic alloy.Thus,1J36 focuses primarily on magnetic permeability and low hysteresis loss.Both alloys share a similar 36% nickel core composition.Traders frequently market both materials under the general trade name Invar 36.\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0bf410b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0bf410b\" 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-100 elementor-top-column elementor-element elementor-element-e3893f5\" data-id=\"e3893f5\" 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-422731c elementor-widget elementor-widget-heading\" data-id=\"422731c\" 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 VS 4J36:Chemical Composition<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3a5064a elementor-widget elementor-widget-text-editor\" data-id=\"3a5064a\" 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\tSmall chemical variation creates massive functional differences between these two alloys.Both grades maintain a primary nickel content between 35% and 37%.Iron makes up the remaining balance for both standard materials.\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-dc5447a elementor-widget elementor-widget-text-editor\" data-id=\"dc5447a\" 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\tHowever,4J36 enforces tighter limits on trace elements like carbon and silicon.Controlling these elements ensures reliable thermal stability across broad temperature ranges.In contrast,1J36 allows subtle trace adjustments to enhance magnetic domain alignment.We provide MTRs for both of these materials to ensure compliance with your local laws and regulations.\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-010b1b4 elementor-widget elementor-widget-text-editor\" data-id=\"010b1b4\" 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<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Alloy Standard<\/th>\n<th>Ni<\/th>\n<th>C<\/th>\n<th>Si<\/th>\n<th>Mn<\/th>\n<th>Fe<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">4J36 (GB\/T 15018)<\/td>\n<td>35.0 &#8211; 37.0<\/td>\n<td>\u2264 0.05<\/td>\n<td>\u2264 0.30<\/td>\n<td>0.20 &#8211; 0.60<\/td>\n<td>Balance<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">1J36 (GB\/T 15001)<\/td>\n<td>35.0 &#8211; 37.0<\/td>\n<td>\u2264 0.05<\/td>\n<td>\u2264 0.30<\/td>\n<td>0.30 &#8211; 0.60<\/td>\n<td>Balance<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Invar 36 (UNS K93600)<\/td>\n<td>35.0 &#8211; 37.0<\/td>\n<td>\u2264 0.05<\/td>\n<td>\u2264 0.35<\/td>\n<td>\u2264 0.60<\/td>\n<td>Balance<\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-faad24a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"faad24a\" 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-100 elementor-top-column elementor-element elementor-element-b01e796\" data-id=\"b01e796\" 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-fdef3a5 elementor-widget elementor-widget-heading\" data-id=\"fdef3a5\" 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 VS 4J36:Mechanical And Physical Properties<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-92d540b elementor-widget elementor-widget-text-editor\" data-id=\"92d540b\" 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\tExamining physical properties reveals the true 1J36 vs 4J36 technical difference.The coefficient of thermal expansion remains the primary benchmark for 4J36.Between 20\u00b0C and 100\u00b0C, 4J36 maintains a tiny CTE below 1.5 x 10\u207b\u2076 \/\u00b0C.This near-zero expansion prevents structural warping in precision scientific instruments.\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-a523a34 elementor-widget elementor-widget-text-editor\" data-id=\"a523a34\" 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\tMeanwhile,1J36 exhibits superior magnetic permeability under alternating electromagnetic fields.Its magnetic Curie point sits at roughly 230\u00b0C.Below this temperature,1J36 provides predictable magnetic induction for sensitive electronic sensors.Both materials offer moderate tensile strength and high ductility.\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-26f9300 elementor-widget elementor-widget-text-editor\" data-id=\"26f9300\" 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<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Property Metric<\/th>\n<th>4J36 Low Expansion Alloy<\/th>\n<th>1J36 Soft Magnetic Alloy<\/th>\n<th>Invar 36 (UNS K93600)<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Density (g\/cm\u00b3)<\/td>\n<td>8.10<\/td>\n<td>8.12<\/td>\n<td>8.11<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">CTE (20\u00b0C &#8211; 100\u00b0C)<\/td>\n<td>\u2264 1.5 \u00d7 10\u207b\u2076 \/\u00b0C<\/td>\n<td>\u2264 2.5 \u00d7 10\u207b\u2076 \/\u00b0C<\/td>\n<td>\u2264 1.2 \u00d7 10\u207b\u2076 \/\u00b0C<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Tensile Strength (MPa)<\/td>\n<td>490 &#8211; 620<\/td>\n<td>450 &#8211; 580<\/td>\n<td>490 &#8211; 620<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Yield Strength (MPa)<\/td>\n<td>\u2265 240<\/td>\n<td>\u2265 220<\/td>\n<td>\u2265 240<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Curie Temperature<\/td>\n<td>230\u00b0C<\/td>\n<td>230\u00b0C<\/td>\n<td>230\u00b0C<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Primary Testing Focus<\/td>\n<td>Thermal Dimensional Stability<\/td>\n<td>Initial Magnetic Permeability<\/td>\n<td>Thermal Dimensional Stability<\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d759c18 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d759c18\" 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-3241fe6\" data-id=\"3241fe6\" 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-22b5b90 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"22b5b90\" 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\">What We Do<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-04e65b6 elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"04e65b6\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;drop_cap&quot;:&quot;yes&quot;}\" 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>Plate<\/li><li>Sheet<\/li><li>Forgings<\/li><li>Round Bar<\/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-6957721 elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"6957721\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;drop_cap&quot;:&quot;yes&quot;}\" 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>Flange<\/li><li>Pipes<\/li><li>Fittings<\/li><li>Customized<\/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<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-34d2363\" data-id=\"34d2363\" 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-d694fab elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"d694fab\" 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-c7e3291 elementor-align-center elementor-mobile-align-center elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"c7e3291\" 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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-61368f5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"61368f5\" 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-100 elementor-top-column elementor-element elementor-element-ccf3eb1\" data-id=\"ccf3eb1\" 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-1bc1d41 elementor-widget elementor-widget-heading\" data-id=\"1bc1d41\" 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 VS 4J36:Primary Industrial Applications<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bacbfcd elementor-widget elementor-widget-text-editor\" data-id=\"bacbfcd\" 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\tSelecting the correct grade depends entirely on your specific end-use environment.Aerospace manufacturers rely heavily on 4J36 for composite forming molds.The carbon fiber composites match the expansion rate of 4J36 perfectly.Furthermore,cryogenic liquid gas tanks use 4J36 to avoid thermal stress fractures.\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-8c38987 elementor-widget elementor-widget-text-editor\" data-id=\"8c38987\" 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\tConversely,electrical equipment manufacturers prefer 1J36 for electromagnetic shields.Precision relays and magnetic transformers require the specialized magnetic response of 1J36.\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-fa646b1 elementor-widget elementor-widget-text-editor\" data-id=\"fa646b1\" 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<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Industry Sector<\/th>\n<th>Recommended Alloy<\/th>\n<th>Typical Component Type<\/th>\n<th>Primary Engineering Goal<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Aerospace &#038; Defense<\/td>\n<td>4J36<\/td>\n<td>Satellite mounts and laser optics<\/td>\n<td>Eliminate thermal deformation<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Cryogenic Storage<\/td>\n<td>4J36<\/td>\n<td>Liquefied gas piping and tanks<\/td>\n<td>Maintain structural integrity at low temperatures<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Electronics &#038; Instrumentation<\/td>\n<td>1J36<\/td>\n<td>Magnetic shielding and relay cores<\/td>\n<td>Maximize magnetic flux performance<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Composite Manufacturing<\/td>\n<td>4J36<\/td>\n<td>Layup tooling and forming dies<\/td>\n<td>Match composite expansion coefficient<\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-40b5717 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"40b5717\" 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-100 elementor-top-column elementor-element elementor-element-68d0caa\" data-id=\"68d0caa\" 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-65b5fc7 elementor-widget elementor-widget-heading\" data-id=\"65b5fc7\" 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\">How To Select A 1J36 Plate Or 4J36 Plate<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-93130a5 elementor-widget elementor-widget-text-editor\" data-id=\"93130a5\" 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\tMaterial buyers must specify the exact standard designation when placing factory orders.Ordering a <a href=\"https:\/\/www.kaysuns.com\/1j36-plate\/\" target=\"_blank\" rel=\"noopener\">1J36 plate<\/a> works best for electronic shielding enclosures and magnetic cores.The manufacturing process for a 1J36 plate includes specialized magnetic annealing treatments.\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-6d62f27 elementor-widget elementor-widget-text-editor\" data-id=\"6d62f27\" 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\tOn the other hand,purchasing a <a href=\"https:\/\/www.kaysuns.com\/invar-36-plate\/\" target=\"_blank\" rel=\"noopener\">4J36 plate<\/a> suits aerospace tooling and optical benches.A high-quality 4J36 plate delivers consistent low thermal expansion across large surface areas.Always request mill test certificates showing exact chemical analysis and physical test data.Working with certified suppliers ensures your factory receives fully tested raw materials.\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-de4c2d6 e-flex e-con-boxed e-con e-parent\" data-id=\"de4c2d6\" 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-1552452 elementor-widget elementor-widget-heading\" data-id=\"1552452\" 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 VS 4J36 Technical FAQs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e47a9d elementor-widget elementor-widget-accordion\" data-id=\"5e47a9d\" 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-9881\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-9881\" 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\">Can I substitute a 1J36 plate with a 4J36 plate?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-9881\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-9881\">You can substitute them if your project only requires basic low thermal expansion.But 1J36 may not meet strict aerospace expansion tolerances.<\/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-9882\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-9882\" 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 do both alloys share the Curie point of 230\u00b0C?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-9882\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-9882\">Both alloys rely on the exact same 36% nickel and iron atomic lattice.Their magnetic state transition occurs at the same temperature.<\/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-9883\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-9883\" 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 should I heat treat these materials?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-9883\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-9883\">Water quench 4J36 at 830\u00b0C,followed by artificial aging at 315\u00b0C.Heat treat 1J36 in a hydrogen atmosphere to maximize magnetic permeability.<\/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-9884\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-9884\" 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 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