{"id":10784,"date":"2024-09-30T14:41:35","date_gmt":"2024-09-30T06:41:35","guid":{"rendered":"https:\/\/www.ray-tron.com\/?p=10784"},"modified":"2024-09-30T14:41:35","modified_gmt":"2024-09-30T06:41:35","slug":"ele0017","status":"publish","type":"post","link":"https:\/\/www.ray-tron.com\/en\/ele0017\/","title":{"rendered":"What properties should be paid attention to in heating wire"},"content":{"rendered":"

Heating wire<\/a>, also known as resistance wire, electric furnace wire, is a key component that converts electrical energy into thermal energy. It is widely used in industrial and civil fields such as heaters, drying equipment, home appliances, metallurgy, etc. To ensure the long-term stable operation of the heating wire in these devices, it is very important to understand and pay attention to its performance. Below we will discuss several key performances of the heating wire that need special attention during selection and use.<\/p>\n

1. High temperature resistance<\/strong><\/p>\n

The working temperature of the heating wire is usually very high, so its high temperature resistance is the primary consideration. The maximum temperature that the heating wire of different materials can withstand is different. Commonly used heating wire materials are iron-chromium-aluminum alloy and nickel-chromium alloy. The maximum operating temperature of iron-chromium-aluminum alloy can reach 1400\u00b0C, while the maximum temperature of nickel-chromium alloy is usually around 1200\u00b0C.<\/p>\n

Under high temperature conditions, the heating wire should maintain sufficient strength to prevent softening or deformation, which may lead to equipment failure. Choosing the right heating wire material and reasonable design can effectively extend the service life of the heating wire.<\/p>\n

2. Antioxidant properties<\/strong><\/p>\n

In a high temperature environment, the heating wire easily reacts with oxygen in the air to generate oxides, which causes the surface of the heating wire to gradually wear out, affecting the heating efficiency and shortening the service life. Therefore, the anti-oxidation performance of the heating wire is very important. The chromium, aluminum and other components in the heating wire material help to form a protective oxide film on the surface to prevent further oxidation.<\/p>\n

For electric heating wire equipment used in corrosive gases or humid environments, such as industrial furnaces, dryers, etc., anti-oxidation performance is particularly important. Good anti-oxidation performance can extend the service life of the equipment and reduce maintenance costs.<\/p>\n

3. Resistivity and electrocaloric effect<\/strong><\/p>\n

The resistivity of the heating wire directly affects its heating capacity. Materials with high resistivity are more likely to convert electrical energy into heat energy. Among the common heating wire materials, nickel-chromium alloy has a higher resistivity and can generate heat quickly, so it is often used in high-efficiency heating equipment.<\/p>\n

It is necessary to select materials with appropriate resistivity according to the specific application scenarios of the heating wire to ensure that it can provide sufficient heat output and maintain stability during operation. In addition, the change of the resistance value of the heating wire at high temperature should also be considered during design.<\/p>\n

4. Mechanical strength and ductility<\/strong><\/p>\n

During the production, transportation and installation of the heating wire, it needs to have sufficient mechanical strength and ductility to avoid breakage or excessive deformation. The strength of the iron-chromium-aluminum alloy is lower, but the price is cheaper; the nickel-chromium alloy has better high-temperature strength and stronger plasticity, and is not easy to deform at high temperatures.<\/p>\n

At the same time, good ductility helps the heating wire to be installed and adjusted more flexibly in equipment with complex structures, ensuring the stability and uniformity of the heating element.<\/p>\n

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5. Corrosion resistance<\/strong><\/p>\n

In certain specific environments, such as chemical plants, metallurgical industries, or environments containing acid and alkali substances, the heating wire must have good corrosion resistance. Heating wires made of different materials have different tolerances to corrosion. For example, nickel-chromium alloy heating wires have better tolerance to acidic gases, while iron-chromium-aluminum alloys are more suitable for use in oxidizing environments.<\/p>\n

In order to ensure the long-term use of the heating wire in harsh environments, it is particularly important to select materials with strong corrosion resistance, which can not only maintain the heating effect of the heating wire, but also reduce equipment failures caused by corrosion.<\/p>\n

6. Thermal expansion coefficient<\/strong><\/p>\n

During the heating process, temperature changes can cause the material to expand or contract. Excessive thermal expansion coefficients may cause stress in the heating wire during long-term operation, eventually leading to breakage or failure. Choosing heating wire materials with low and stable thermal expansion coefficients can help maintain stability during multiple heating and cooling cycles.<\/p>\n

7. Surface load<\/strong><\/p>\n

Surface load refers to the power density per unit area of the heating wire. The rationality of the surface load directly affects the heating efficiency and service life of the heating wire. If the surface load is too high, the working temperature of the heating wire will exceed its tolerance range, resulting in premature aging or breakage. Therefore, when designing the heating wire, the surface load should be reasonably selected according to the specific heating requirements to ensure its long-term stable operation.<\/p>\n

in conclusion<\/p>\n

As an efficient electric heating element, the performance of the heating wire has important applications in different industrial fields. High temperature resistance, oxidation resistance, resistivity, mechanical strength, corrosion resistance and other properties need to be reasonably selected and optimized in production and use. By fully understanding these key properties of the heating wire, it can be ensured that it provides the best heating effect in different working environments and prolongs its service life.<\/p>\n

Raytron<\/a>As a leadingHeating wire manufacturers<\/a>, relying on years of production experience and technical accumulation, is committed to providing customers with high-quality heating wire products to ensure stable operation under various complex working conditions. If your project involves the application of heating wire, Ruichuang will provide you with professional solutions and high-performance products.<\/p>","protected":false},"excerpt":{"rendered":"

Heating wire, also known as resistance wire or electric furnace wire, is a key component that converts electrical energy into thermal energy. It is widely used in heaters, drying equipment, home appliances, metallurgy and other industrial and civil applications.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","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":"","theme-transparent-header-meta":"default","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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"categories":[19],"tags":[259],"class_list":["post-10784","post","type-post","status-publish","format-standard","hentry","category-blog","tag-259"],"_links":{"self":[{"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/posts\/10784","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/comments?post=10784"}],"version-history":[{"count":0,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/posts\/10784\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/media?parent=10784"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/categories?post=10784"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ray-tron.com\/en\/wp-json\/wp\/v2\/tags?post=10784"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}