{"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\/es\/product\/expansion-alloy-manufacturer\/","title":{"rendered":"Fabricante de aleaciones de expansi\u00f3n"},"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 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.dzx-products,.dzx-category-content .dzx-form-grid,.dzx-category-content 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\">CATEGOR\u00cdA DE PRODUCTOS MET\u00c1LICOS DZX<\/p>\n<h2>Aleaci\u00f3n de expansi\u00f3n<\/h2>\n<p>Las aleaciones de expansi\u00f3n son materiales especializados dise\u00f1ados para exhibir propiedades de dilataci\u00f3n t\u00e9rmica controlables. Estas aleaciones se utilizan ampliamente en aplicaciones donde la dilataci\u00f3n t\u00e9rmica debe coincidir o mantenerse estable con la de otros materiales, como vidrio, cer\u00e1mica o componentes industriales espec\u00edficos, o cuando se debe cumplir con una dilataci\u00f3n espec\u00edfica en un determinado rango de temperatura.<\/p>\n<\/section>\n<h2 class=\"dzx-section-title\">Grados y productos disponibles<\/h2>\n<div class=\"dzx-products\"><a class=\"dzx-product-card\" href=\"\/es\/product\/4j29-kovar-expansion-alloy\/\"><strong>4J29 Kovar<\/strong><span>Ver detalles del producto<\/span><\/a><a class=\"dzx-product-card\" href=\"\/es\/product\/4j36-invar-expansion-alloy\/\"><strong>4J36 Invar<\/strong><span>Ver detalles del producto<\/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=\"Placa \/ L\u00e1mina\" width=\"64\" height=\"64\">\n<p>                    <strong>Placa \/ L\u00e1mina<\/strong><\/p>\n<dl>\n<dd>Espesor: 0,1 mm-50 mm <\/dd>\n<dd>Ancho: 50 mm-1000 mm <\/dd>\n<dd>Longitud: 1000 mm-6000 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=\"Tira\/bobina\" width=\"64\" height=\"64\">\n<p>                    <strong>Banda<\/strong><\/p>\n<dl>\n<dd>Espesor: 0,02 mm-1 mm <\/dd>\n<dd> Ancho: 3 mm-500 mm <\/dd>\n<dd> Formatos de entrega: Superficie brillante o anodizada, suministrada en bobinas o cortada a medida. <\/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=\"Barra\/varilla\" width=\"64\" height=\"64\">\n<p>                    <strong>Vara<\/strong><\/p>\n<dl>\n<dd>Di\u00e1metro: \u00d83mm-\u00d8100mm <\/dd>\n<dd> Longitud: 100 mm-2000 mm <\/dd>\n<dd> Formas de entrega: Laminado en caliente, forjado o torneado<\/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=\"Cable\" width=\"64\" height=\"64\">\n<p>                    <strong>Cable<\/strong><\/p>\n<dl>\n<dd>Di\u00e1metro: \u00d80,03 mm-\u00d86 mm <\/dd>\n<dd> Formatos de entrega: Brillante o anodizado, suministrado en bobinas. <\/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=\"Tubo \/ Tuber\u00eda\" width=\"64\" height=\"64\">\n<p>                    <strong>Tubo<\/strong><\/p>\n<dl>\n<dd>Di\u00e1metro exterior: \u00d83 mm-\u00d8200 mm <\/dd>\n<dd> Espesor de pared: 0,5 mm-10 mm <\/dd>\n<dd>Longitud: 100 mm-6000 mm <\/dd>\n<\/dl>\n<\/li>\n<\/ul>\n<h2 class=\"dzx-section-title\">Composici\u00f3n qu\u00edmica<\/h2>\n<div class=\"table-responsive\">\n<table class=\"table table-striped ke-zeroborder\">\n<tr class=\"top\">\n<td> Elementos <\/td>\n<td><\/td>\n<td> 4J29 <\/td>\n<td> 4J36 <\/td>\n<\/tr>\n<tr>\n<td> Carbono (C) <\/td>\n<td rowspan=\"3\"> No mayor que <\/td>\n<td> 0.03 <\/td>\n<td> 0.05 <\/td>\n<\/tr>\n<tr>\n<td> Azufre (S) <\/td>\n<td> 0.02 <\/td>\n<td> 0.02 <\/td>\n<\/tr>\n<tr>\n<td> F\u00f3sforo (P) <\/td>\n<td> 0.02 <\/td>\n<td> 0.02 <\/td>\n<\/tr>\n<tr>\n<td> Manganeso (Mn) <\/td>\n<td><\/td>\n<td> \u22640,50 <\/td>\n<td> 0.20-0.60 <\/td>\n<\/tr>\n<tr>\n<td> Silicio (Si) <\/td>\n<td><\/td>\n<td> \u22640,30 <\/td>\n<td> \u22640,30 <\/td>\n<\/tr>\n<tr>\n<td> N\u00edquel (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> Cromo (Cr) <\/td>\n<td><\/td>\n<td> \u2013 <\/td>\n<td> \u2013 <\/td>\n<\/tr>\n<tr>\n<td> Cobalto (Co) <\/td>\n<td><\/td>\n<td> 16.8-17.8 <\/td>\n<td> \u2013 <\/td>\n<\/tr>\n<tr>\n<td> Hierro (Fe) <\/td>\n<td><\/td>\n<td> Descansar <\/td>\n<td> Descansar <\/td>\n<\/tr>\n<tr>\n<td> Otros elementos <\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/table>\n<\/div>\n<h2 class=\"dzx-section-title\">Propiedades de expansi\u00f3n t\u00e9rmica<\/h2>\n<div class=\"table-responsive\">\n<table class=\"table table-striped ke-zeroborder\">\n<tr class=\"top\">\n<td> Grado de aleaci\u00f3n <\/td>\n<td> 20\u00b0C-100\u00b0C <\/td>\n<td> 20\u00b0C-300\u00b0C <\/td>\n<td> 20\u00b0C-500\u00b0C <\/td>\n<\/tr>\n<tr>\n<td> Aleaci\u00f3n Invar 4J36 <\/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> Aleaci\u00f3n Kovar 4J29 <\/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\u00d710\u207b\u2076 \/\u00b0C <\/td>\n<\/tr>\n<\/table>\n<\/div>\n<h2 class=\"dzx-section-title\">Propiedades mec\u00e1nicas<\/h2>\n<div class=\"table-responsive\">\n<table class=\"table table-striped ke-zeroborder\">\n<tr class=\"top\">\n<td> Grado de aleaci\u00f3n <\/td>\n<td> Aleaci\u00f3n Invar 4J36 <\/td>\n<td> Aleaci\u00f3n Kovar 4J29 <\/td>\n<\/tr>\n<tr>\n<td> Densidad (g\/cm\u00b3) <\/td>\n<td> 8.1 <\/td>\n<td> 8.2 <\/td>\n<\/tr>\n<tr>\n<td> Resistencia a la tracci\u00f3n (MPa) <\/td>\n<td> 500-600 <\/td>\n<td> 600-700 <\/td>\n<\/tr>\n<tr>\n<td> L\u00edmite el\u00e1stico (MPa) <\/td>\n<td> 250-350 <\/td>\n<td> 300-400 <\/td>\n<\/tr>\n<tr>\n<td> Dureza (HV) <\/td>\n<td> 150-200 <\/td>\n<td> 200-250 <\/td>\n<\/tr>\n<\/table>\n<\/div>\n<h2 class=\"dzx-section-title\">Propiedades el\u00e9ctricas<\/h2>\n<div class=\"table-responsive\">\n<table class=\"table table-striped ke-zeroborder\">\n<tr class=\"top\">\n<td> Grado de aleaci\u00f3n <\/td>\n<td> Aleaci\u00f3n Invar 4J36 <\/td>\n<td> Aleaci\u00f3n Kovar 4J29 <\/td>\n<\/tr>\n<tr>\n<td> Resistividad el\u00e9ctrica (10\u207b\u2076 \u03a9\u00b7cm) <\/td>\n<td> 80 <\/td>\n<td> 50 <\/td>\n<\/tr>\n<tr>\n<td> Conductividad t\u00e9rmica (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\">Caracter\u00edsticas<\/h2>\n<ul class=\"discitem1\">\n<li>Algunas aleaciones expansivas, como las aleaciones Invar, pr\u00e1cticamente no se expanden con los cambios de temperatura, mientras que otros tipos pueden dise\u00f1arse para tener una tasa de expansi\u00f3n espec\u00edfica. <\/li>\n<li>Estas aleaciones mantienen su forma y tama\u00f1o estables, incluso en entornos con fluctuaciones de temperatura significativas. <\/li>\n<li>Por lo general, ofrecen la resistencia y la tenacidad suficientes, lo que las hace adecuadas para componentes estructurales complejos. <\/li>\n<li>Son f\u00e1ciles de procesar mediante trabajo en fr\u00edo y en caliente, soldadura y otras t\u00e9cnicas de conformado. <\/li>\n<li>Muchas aleaciones de expansi\u00f3n tambi\u00e9n presentan una excelente resistencia a la corrosi\u00f3n. <\/li>\n<\/ul>\n<h2 class=\"dzx-section-title\">Aplicaciones<\/h2>\n<ul class=\"item1\">\n<li><strong>Instrumentos de precisi\u00f3n y dispositivos de medici\u00f3n<\/strong>: tales como balanzas, microscopios e interfer\u00f3metros l\u00e1ser <\/li>\n<li><strong>Electr\u00f3nica y semiconductores<\/strong>: placas de circuitos integrados, conectores, resistencias, etc. <\/li>\n<li><strong>Aeroespacial<\/strong>: sistemas de navegaci\u00f3n, sistemas de control en aeronaves y sat\u00e9lites <\/li>\n<li><strong>industria automotriz<\/strong>: sensores del motor, componentes del sistema de escape <\/li>\n<li><strong>Industria energ\u00e9tica<\/strong>: equipos sensibles en centrales nucleares y centrales t\u00e9rmicas, como paneles de instrumentos y controladores. <\/li>\n<li><strong>Relojer\u00eda<\/strong>: componentes de precisi\u00f3n como engranajes y muelles principales en relojes de alta gama <\/li>\n<li><strong>Industria de la iluminaci\u00f3n<\/strong>: soportes y conectores met\u00e1licos en bombillas y luminarias LED <\/li>\n<\/ul>\n<div 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