{"id":1183,"date":"2025-01-29T08:01:21","date_gmt":"2025-01-29T08:01:21","guid":{"rendered":"https:\/\/cnc-machiningservices.com\/?post_type=material&#038;p=1183"},"modified":"2025-04-28T11:33:11","modified_gmt":"2025-04-28T11:33:11","slug":"invar","status":"publish","type":"material","link":"https:\/\/cnc-machiningservices.com\/zh\/material\/invar\/","title":{"rendered":"Invar"},"content":{"rendered":"<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <style>\n        table {\n            width: 100%;\n            border-collapse: collapse;\n            font-size: 14px; \/* Default WordPress font size *\/\n        }\n        th, td {\n            border: 1px solid black;\n            padding: 8px;\n            text-align: left;\n        }\n        th {\n            font-weight: bold;\n        }\n        td:first-child {\n            width: 50%;\n        }\n        td:last-child {\n            width: 50%;\n        }\n    <\/style>\n<\/head>\n<body>\n\n<table>\n    <thead>\n        <tr>\n            <th>Property<\/th>\n            <th>Value<\/th>\n        <\/tr>\n    <\/thead>\n    <tbody>\n        <tr>\n            <td colspan=\"2\"><strong>Mechanical Properties<\/strong><\/td>\n        <\/tr>\n        <tr>\n            <td>Ultimate tensile strength<\/td>\n            <td>450 &#8211; 480 MPa<\/td>\n        <\/tr>\n        <tr>\n            <td>Yield strength<\/td>\n            <td>260 &#8211; 280 MPa<\/td>\n        <\/tr>\n        <tr>\n            <td>Young&#8217;s modulus (modulus of elasticity)<\/td>\n            <td>137 &#8211; 148 GPa<\/td>\n        <\/tr>\n        <tr>\n            <td>Elongation at break<\/td>\n            <td>30 &#8211; 35 %<\/td>\n        <\/tr>\n        <tr>\n            <td>Hardness<\/td>\n            <td>90 &#8211; 98 HRC<\/td>\n        <\/tr>\n\n        <tr>\n            <td colspan=\"2\"><strong>Physical Properties<\/strong><\/td>\n        <\/tr>\n        <tr>\n            <td>Corrosion resistance<\/td>\n            <td>Poor to Medium<\/td>\n        <\/tr>\n        <tr>\n            <td>Magnetism<\/td>\n            <td>Magnetic<\/td>\n        <\/tr>\n        <tr>\n            <td>Weldability<\/td>\n            <td>Moderate to Good<\/td>\n        <\/tr>\n\n        <tr>\n            <td colspan=\"2\"><strong>Thermal Properties<\/strong><\/td>\n        <\/tr>\n        <tr>\n            <td>Maximum service temperature<\/td>\n            <td>320 &#8211; 430 \u00b0C<\/td>\n        <\/tr>\n        <tr>\n            <td>Thermal expansion coefficient<\/td>\n            <td>0.5 &#8211; 2 \u00d7 10<sup>-6<\/sup>\/\u00baC<\/td>\n        <\/tr>\n        <tr>\n            <td>Thermal conductivity<\/td>\n            <td>10 &#8211; 15 W\/(m\u22c5\u00b0C)<\/td>\n        <\/tr>\n\n        <tr>\n            <td colspan=\"2\"><strong>Electrical Properties<\/strong><\/td>\n        <\/tr>\n        <tr>\n            <td>Electrical resistivity<\/td>\n            <td>75 &#8211; 85 \u03bc\u03a9*cm<\/td>\n        <\/tr>\n\n        <tr>\n            <td colspan=\"2\"><strong>Post Treatments<\/strong><\/td>\n        <\/tr>\n        <tr>\n            <td>Post-Processing<\/td>\n            <td>Cold working, annealing and quenching<\/td>\n        <\/tr>\n        <tr>\n            <td>Anodizing compatibility<\/td>\n            <td>Not suitable<\/td>\n        <\/tr>\n\n        <tr>\n            <td colspan=\"2\"><strong>Common Applications<\/strong><\/td>\n        <\/tr>\n        <tr>\n            <td>Aircraft control<\/td>\n            <td>Optical &#038; laser systems<\/td>\n        <\/tr>\n        <tr>\n            <td>Electronic devices<\/td>\n            <td><\/td>\n        <\/tr>\n    <\/tbody>\n<\/table>\n\n<\/body>\n<\/html>","protected":false},"excerpt":{"rendered":"<p>Property Value Mechanical Properties Ultimate tensile strength 450 &#8211; 480 MPa Yield strength 260 &#8211; 280 MPa Young&#8217;s modulus (modulus of elasticity) 137 &#8211; 148 GPa Elongation at break 30 &#8211; 35 % Hardness 90 &#8211; 98 HRC Physical Properties Corrosion resistance Poor to Medium Magnetism Magnetic Weldability Moderate to Good Thermal Properties Maximum service [&hellip;]<\/p>\n","protected":false},"featured_media":0,"parent":0,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"material-category":[33,51],"class_list":["post-1183","material","type-material","status-publish","format-standard","hentry","material-category-cnc-machining-metals","material-category-invar"],"acf":[],"_links":{"self":[{"href":"https:\/\/cnc-machiningservices.com\/zh\/wp-json\/wp\/v2\/material\/1183","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnc-machiningservices.com\/zh\/wp-json\/wp\/v2\/material"}],"about":[{"href":"https:\/\/cnc-machiningservices.com\/zh\/wp-json\/wp\/v2\/types\/material"}],"version-history":[{"count":2,"href":"https:\/\/cnc-machiningservices.com\/zh\/wp-json\/wp\/v2\/material\/1183\/revisions"}],"predecessor-version":[{"id":4831,"href":"https:\/\/cnc-machiningservices.com\/zh\/wp-json\/wp\/v2\/material\/1183\/revisions\/4831"}],"wp:attachment":[{"href":"https:\/\/cnc-machiningservices.com\/zh\/wp-json\/wp\/v2\/media?parent=1183"}],"wp:term":[{"taxonomy":"material-category","embeddable":true,"href":"https:\/\/cnc-machiningservices.com\/zh\/wp-json\/wp\/v2\/material-category?post=1183"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}