{"id":4125,"date":"2026-08-18T05:00:06","date_gmt":"2026-08-17T21:00:06","guid":{"rendered":"https:\/\/dzxmetals.com\/product\/expansion-alloy-manufacturer\/"},"modified":"2026-08-18T05:00:06","modified_gmt":"2026-08-17T21:00:06","slug":"expansion-alloy-manufacturer","status":"publish","type":"product","link":"https:\/\/dzxmetals.com\/de\/product\/expansion-alloy-manufacturer\/","title":{"rendered":"Hersteller von Expansionslegierungen"},"content":{"rendered":"<style>\n.dzx-category-content{max-width:1280px;margin:0 auto;padding:0 0 38px;color:#344256;font-size:16px;line-height:1.75;box-sizing:border-box}\n.dzx-category-content *{box-sizing:border-box}.dzx-category-content p{margin:0 0 1rem}.dzx-category-content a{color:#1266b1}.dzx-category-content .dzx-category-intro{margin:0 0 30px;padding:28px 0 25px;border-bottom:1px solid #dce5ef}.dzx-category-content .dzx-category-intro h2{margin:0 0 12px;color:#173b5b;font-size:32px;line-height:1.2}.dzx-category-content .dzx-category-intro 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ul.discitem4{grid-template-columns:repeat(4,minmax(0,1fr))}}\n@media(max-width:800px){.dzx-category-content{font-size:15px}.dzx-category-content .dzx-products,.dzx-category-content .dzx-form-grid,.dzx-category-content ul.discitem4{grid-template-columns:repeat(3,minmax(0,1fr))}.dzx-category-content ul.discitem1{grid-template-columns:1fr}.dzx-category-content .dzx-category-intro h2{font-size:28px}}\n@media(max-width:560px){.dzx-category-content .dzx-products,.dzx-category-content .dzx-form-grid,.dzx-category-content ul.discitem4{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.dzx-category-content .dzx-product-card{min-height:96px;padding:13px 12px}.dzx-category-content .dzx-form-grid>li,.dzx-category-content ul.discitem4>li{min-height:0;padding:14px 11px}.dzx-category-content table{font-size:13px}.dzx-category-content td,.dzx-category-content th{padding:8px 9px}}\n@media(max-width:380px){.dzx-category-content .dzx-products,.dzx-category-content .dzx-form-grid,.dzx-category-content ul.discitem4{grid-template-columns:1fr}}\n.dzx-category-content .dzx-form-grid>li>img,.dzx-category-content ul.discitem4>li>img{display:block;flex:0 0 64px;width:64px;height:64px;margin:0 auto 11px;object-fit:contain;border-radius:4px;background:#F7FAFC}.dzx-category-content .dzx-form-grid>li>img+strong,.dzx-category-content ul.discitem4>li>img+strong{margin-top:0}@media(max-width:560px){.dzx-category-content .dzx-form-grid>li>img,.dzx-category-content ul.discitem4>li>img{flex-basis:54px;width:54px;height:54px;margin-bottom:9px}}<\/style>\n<div class=\"dzx-category-content\">\n<section class=\"dzx-category-intro\">\n<p class=\"dzx-category-kicker\">DZX METALLPRODUKTKATEGORIE<\/p>\n<h2>Expansionslegierung<\/h2>\n<p>W\u00e4rmeausdehnungslegierungen sind Spezialwerkstoffe, die f\u00fcr kontrollierbare W\u00e4rmeausdehnungseigenschaften entwickelt wurden. Diese Legierungen finden breite Anwendung, wenn die W\u00e4rmeausdehnung mit anderen Materialien wie Glas, Keramik oder bestimmten Industriekomponenten \u00fcbereinstimmen oder stabil bleiben muss, oder wenn eine bestimmte Ausdehnung \u00fcber einen bestimmten Temperaturbereich erreicht werden muss.<\/p>\n<\/section>\n<h2 class=\"dzx-section-title\">Verf\u00fcgbare Qualit\u00e4ten und Produkte<\/h2>\n<div class=\"dzx-products\"><a class=\"dzx-product-card\" href=\"\/de\/product\/4j29-kovar-expansion-alloy\/\"><strong>4J29 Kovar<\/strong><span>Produktdetails anzeigen<\/span><\/a><a class=\"dzx-product-card\" href=\"\/de\/product\/4j36-invar-expansion-alloy\/\"><strong>4J36 Invar<\/strong><span>Produktdetails anzeigen<\/span><\/a><\/div>\n<ul class=\"dzx-form-grid\">\n<li><img loading=\"lazy\" decoding=\"async\" class=\"dzx-form-card-icon\" src=\"https:\/\/www.dzx-metal.com\/images\/prohub_icon04.webp\" alt=\"Platte \/ Blech\" width=\"64\" height=\"64\">\n<p>                    <strong>Platte \/ Blech<\/strong><\/p>\n<dl>\n<dd>Dicke: 0,1 mm\u201350 mm <\/dd>\n<dd>Breite: 50 mm\u20131000 mm <\/dd>\n<dd>L\u00e4nge: 1000 mm\u20136000 mm <\/dd>\n<\/dl>\n<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"dzx-form-card-icon\" src=\"https:\/\/www.dzx-metal.com\/images\/prohub_icon03.webp\" alt=\"Streifen \/ Spule\" width=\"64\" height=\"64\">\n<p>                    <strong>Streifen<\/strong><\/p>\n<dl>\n<dd>Dicke: 0,02 mm\u20131 mm <\/dd>\n<dd> Breite: 3 mm\u2013500 mm <\/dd>\n<dd> Lieferformen: Gl\u00e4nzende oder eloxierte Oberfl\u00e4che, Lieferung auf Spulen oder als Zuschnitt auf L\u00e4nge <\/dd>\n<\/dl>\n<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"dzx-form-card-icon\" src=\"https:\/\/www.dzx-metal.com\/images\/prohub_icon05.webp\" alt=\"Stange \/ Stab\" width=\"64\" height=\"64\">\n<p>                    <strong>Stange<\/strong><\/p>\n<dl>\n<dd>Durchmesser: \u00d83 mm \u2013 \u00d8100 mm <\/dd>\n<dd> L\u00e4nge: 100 mm\u20132000 mm <\/dd>\n<dd> Lieferformen: Warmgewalzt, geschmiedet oder gedreht<\/dd>\n<\/dl>\n<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"dzx-form-card-icon\" src=\"https:\/\/www.dzx-metal.com\/images\/prohub_icon01.webp\" alt=\"Draht\" width=\"64\" height=\"64\">\n<p>                    <strong>Draht<\/strong><\/p>\n<dl>\n<dd>Durchmesser: \u00d80,03 mm \u2013 \u00d86 mm <\/dd>\n<dd> Lieferformen: Gl\u00e4nzend oder eloxiert, Lieferung auf Spulen <\/dd>\n<\/dl>\n<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"dzx-form-card-icon\" src=\"https:\/\/www.dzx-metal.com\/images\/prohub_icon02.webp\" alt=\"Rohr \/ Leitung\" width=\"64\" height=\"64\">\n<p>                    <strong>Rohr<\/strong><\/p>\n<dl>\n<dd>Au\u00dfendurchmesser: \u00d83 mm \u2013 \u00d8200 mm <\/dd>\n<dd> Wandst\u00e4rke: 0,5 mm\u201310 mm <\/dd>\n<dd>L\u00e4nge: 100 mm\u20136000 mm <\/dd>\n<\/dl>\n<\/li>\n<\/ul>\n<h2 class=\"dzx-section-title\">Chemische Zusammensetzung<\/h2>\n<div class=\"table-responsive\">\n<table class=\"table table-striped ke-zeroborder\">\n<tr class=\"top\">\n<td> Elemente <\/td>\n<td><\/td>\n<td> 4J29 <\/td>\n<td> 4J36 <\/td>\n<\/tr>\n<tr>\n<td> Kohlenstoff (C) <\/td>\n<td rowspan=\"3\"> Nicht gr\u00f6\u00dfer als <\/td>\n<td> 0.03 <\/td>\n<td> 0.05 <\/td>\n<\/tr>\n<tr>\n<td> Schwefel (S) <\/td>\n<td> 0.02 <\/td>\n<td> 0.02 <\/td>\n<\/tr>\n<tr>\n<td> Phosphor (P) <\/td>\n<td> 0.02 <\/td>\n<td> 0.02 <\/td>\n<\/tr>\n<tr>\n<td> Mangan (Mn) <\/td>\n<td><\/td>\n<td> \u22640,50 <\/td>\n<td> 0.20-0.60 <\/td>\n<\/tr>\n<tr>\n<td> Silizium (Si) <\/td>\n<td><\/td>\n<td> \u22640,30 <\/td>\n<td> \u22640,30 <\/td>\n<\/tr>\n<tr>\n<td> Nickel (Ni) <\/td>\n<td><\/td>\n<td> 28.5-29.5 <\/td>\n<td> 35.0-37.0 <\/td>\n<\/tr>\n<tr>\n<td> Chrom (Cr) <\/td>\n<td><\/td>\n<td> \u2013 <\/td>\n<td> \u2013 <\/td>\n<\/tr>\n<tr>\n<td> Kobalt (Co) <\/td>\n<td><\/td>\n<td> 16.8-17.8 <\/td>\n<td> \u2013 <\/td>\n<\/tr>\n<tr>\n<td> Eisen (Fe) <\/td>\n<td><\/td>\n<td> Ausruhen <\/td>\n<td> Ausruhen <\/td>\n<\/tr>\n<tr>\n<td> Andere Elemente <\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/table>\n<\/div>\n<h2 class=\"dzx-section-title\">Thermische Ausdehnungseigenschaften<\/h2>\n<div class=\"table-responsive\">\n<table class=\"table table-striped ke-zeroborder\">\n<tr class=\"top\">\n<td> Legierungsqualit\u00e4t <\/td>\n<td> 20 \u00b0C\u2013100 \u00b0C <\/td>\n<td> 20 \u00b0C\u2013300 \u00b0C <\/td>\n<td> 20 \u00b0C\u2013500 \u00b0C <\/td>\n<\/tr>\n<tr>\n<td> 4J36 Invar-Legierung <\/td>\n<td> 1,2 \u00d7 10\u207b\u2076 \/\u00b0C <\/td>\n<td> 2,5 \u00d7 10\u207b\u2076 \/\u00b0C <\/td>\n<td> \u2013 <\/td>\n<\/tr>\n<tr>\n<td> 4J29 Kovar-Legierung <\/td>\n<td> 4,6 \u00d7 10\u207b\u2076 \/\u00b0C <\/td>\n<td> 5,5 \u00d7 10\u207b\u2076 \/\u00b0C <\/td>\n<td> 6,2 \u00d7 10\u207b\u2076 \/\u00b0C <\/td>\n<\/tr>\n<\/table>\n<\/div>\n<h2 class=\"dzx-section-title\">Mechanische Eigenschaften<\/h2>\n<div class=\"table-responsive\">\n<table class=\"table table-striped ke-zeroborder\">\n<tr class=\"top\">\n<td> Legierungsqualit\u00e4t <\/td>\n<td> 4J36 Invar-Legierung <\/td>\n<td> 4J29 Kovar-Legierung <\/td>\n<\/tr>\n<tr>\n<td> Dichte (g\/cm\u00b3) <\/td>\n<td> 8.1 <\/td>\n<td> 8.2 <\/td>\n<\/tr>\n<tr>\n<td> Zugfestigkeit (MPa) <\/td>\n<td> 500-600 <\/td>\n<td> 600-700 <\/td>\n<\/tr>\n<tr>\n<td> Streckgrenze (MPa) <\/td>\n<td> 250-350 <\/td>\n<td> 300-400 <\/td>\n<\/tr>\n<tr>\n<td> H\u00e4rte (HV) <\/td>\n<td> 150-200 <\/td>\n<td> 200-250 <\/td>\n<\/tr>\n<\/table>\n<\/div>\n<h2 class=\"dzx-section-title\">Elektrische Eigenschaften<\/h2>\n<div class=\"table-responsive\">\n<table class=\"table table-striped ke-zeroborder\">\n<tr class=\"top\">\n<td> Legierungsqualit\u00e4t <\/td>\n<td> 4J36 Invar-Legierung <\/td>\n<td> 4J29 Kovar-Legierung <\/td>\n<\/tr>\n<tr>\n<td> Elektrischer Widerstand (10\u207b\u2076 \u03a9\u00b7cm) <\/td>\n<td> 80 <\/td>\n<td> 50 <\/td>\n<\/tr>\n<tr>\n<td> W\u00e4rmeleitf\u00e4higkeit (W\/m\u00b7K) <\/td>\n<td> 10-12 <\/td>\n<td> 16-18 <\/td>\n<\/tr>\n<\/table>\n<\/div>\n<h2 class=\"dzx-section-title\">Merkmale<\/h2>\n<ul class=\"discitem1\">\n<li>Manche Expansionslegierungen, wie zum Beispiel Invar-Legierungen, dehnen sich bei Temperatur\u00e4nderungen fast gar nicht aus, w\u00e4hrend andere Typen so konstruiert werden k\u00f6nnen, dass sie eine bestimmte Ausdehnungsrate aufweisen. <\/li>\n<li>Diese Legierungen behalten ihre Form- und Gr\u00f6\u00dfenstabilit\u00e4t auch in Umgebungen mit erheblichen Temperaturschwankungen. <\/li>\n<li>Sie bieten in der Regel gen\u00fcgend Festigkeit und Z\u00e4higkeit, wodurch sie sich f\u00fcr komplexe Bauteile eignen. <\/li>\n<li>Sie lassen sich leicht mit Kalt- und Warmumformung, Schwei\u00dfen und anderen Umformtechniken bearbeiten. <\/li>\n<li>Viele Expansionslegierungen weisen zudem eine ausgezeichnete Korrosionsbest\u00e4ndigkeit auf. <\/li>\n<\/ul>\n<h2 class=\"dzx-section-title\">Anwendungen<\/h2>\n<ul class=\"item1\">\n<li><strong>Pr\u00e4zisionsinstrumente und Messger\u00e4te<\/strong>: wie zum Beispiel Waagen, Mikroskope und Laserinterferometer <\/li>\n<li><strong>Elektronik und Halbleiter<\/strong>: integrierte Schaltkreise, Steckverbinder, Widerst\u00e4nde usw. <\/li>\n<li><strong>Luft- und Raumfahrt<\/strong>Navigationssysteme, Steuerungssysteme f\u00fcr Flugzeuge und Satelliten <\/li>\n<li><strong>Automobilindustrie<\/strong>: Motorensensoren, Abgasanlagenkomponenten <\/li>\n<li><strong>Energiewirtschaft<\/strong>: empfindliche Ausr\u00fcstung in Kernkraftwerken und W\u00e4rmekraftwerken, wie z. B. Instrumententafeln und Steuerungen <\/li>\n<li><strong>Uhrmacherei<\/strong>Pr\u00e4zisionskomponenten wie Zahnr\u00e4der und Zugfedern in hochwertigen Uhren <\/li>\n<li><strong>Beleuchtungsindustrie<\/strong>Metallhalterungen und -verbinder in Gl\u00fchbirnen und LED-Leuchten <\/li>\n<\/ul>\n<div class=\"dzx-category-cta\"><a href=\"#contactpopupform\">Angebot anfordern<\/a><\/div>\n<\/div>","protected":false},"featured_media":2778,"parent":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-4125","product","type-product","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/dzxmetals.com\/de\/wp-json\/wp\/v2\/product\/4125","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dzxmetals.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/dzxmetals.com\/de\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":0,"href":"https:\/\/dzxmetals.com\/de\/wp-json\/wp\/v2\/product\/4125\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dzxmetals.com\/de\/wp-json\/wp\/v2\/media\/2778"}],"wp:attachment":[{"href":"https:\/\/dzxmetals.com\/de\/wp-json\/wp\/v2\/media?parent=4125"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}