{"id":30294,"date":"2026-05-31T07:37:02","date_gmt":"2026-05-31T07:37:02","guid":{"rendered":"https:\/\/doingcable.com\/?p=30294"},"modified":"2026-05-31T07:37:47","modified_gmt":"2026-05-31T07:37:47","slug":"what-is-aluminium-clad-steel-wire","status":"publish","type":"post","link":"https:\/\/doingcable.com\/fr\/what-is-aluminium-clad-steel-wire\/","title":{"rendered":"Qu&#039;est-ce que le fil d&#039;acier plaqu\u00e9 aluminium\u00a0?"},"content":{"rendered":"<p>In the power transmission and telecommunications industries, material selection for overhead lines and grounding systems has become increasingly demanding. Engineers must balance <strong>mechanical strength<\/strong>, <strong>r\u00e9sistance \u00e0 la corrosion<\/strong>, <strong>electrical performance<\/strong>, <strong>weight<\/strong>, et <strong>long-term reliability<\/strong> \u2014 especially in coastal, industrial, or high-pollution environments.<\/p>\n\n\n\n<p>One material that has gained significant attention for meeting these challenges is <strong><a href=\"https:\/\/doingcable.com\/fr\/\">Aluminium Clad Steel Wire<\/a><\/strong>, commonly referred to as <strong>ACS Wire<\/strong> ou <strong>Alumoweld<\/strong>.<\/p>\n\n\n\n<p>This bimetallic wire has become a preferred solution for critical applications such as Optical Ground Wire (OPGW), the cores of high-performance conductors, and overhead grounding systems. But what exactly is it, how is it made, and why is it often superior to traditional galvanized steel wire?<\/p>\n\n\n\n<p>This comprehensive guide answers these questions in detail.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Qu&#039;est-ce que le fil d&#039;acier plaqu\u00e9 aluminium\u00a0?<\/h2>\n\n\n\n<p><strong>Aluminium Clad Steel Wire<\/strong> is a composite bimetallic product consisting of a high-strength steel core that is completely covered by a thick, metallurgically bonded layer of high-purity aluminum.<\/p>\n\n\n\n<p>Unlike conventional coated wires (such as galvanized steel, where zinc is applied as a sacrificial coating), ACS wire features a true <strong>metallurgical bond<\/strong> between the steel core and the aluminum cladding. This bond is achieved through advanced continuous extrusion cladding technology, creating a permanent, inseparable interface.<\/p>\n\n\n\n<p>The aluminum cladding typically accounts for a significant portion of the cross-section. By adjusting the cladding thickness, manufacturers can control the final electrical conductivity of the wire, usually ranging from <strong>14% to 40% IACS<\/strong> (International Annealed Copper Standard).<\/p>\n\n\n\n<p>This unique structure allows ACS wire to deliver:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The high tensile strength and toughness of steel<\/li>\n\n\n\n<li>The excellent corrosion resistance and conductivity of aluminum<\/li>\n\n\n\n<li>Compatibility with aluminum-based conductors (avoiding galvanic corrosion issues)<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/ACS-WireAluminium-Clad-Steel-1200x800.jpg\" alt=\"\" class=\"wp-image-30296\" style=\"width:1078px;height:auto\" srcset=\"https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/ACS-WireAluminium-Clad-Steel-1200x800.jpg 1200w, https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/ACS-WireAluminium-Clad-Steel-400x267.jpg 400w, https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/ACS-WireAluminium-Clad-Steel-768x512.jpg 768w, https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/ACS-WireAluminium-Clad-Steel-1536x1024.jpg 1536w, https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/ACS-WireAluminium-Clad-Steel-2048x1365.jpg 2048w, https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/ACS-WireAluminium-Clad-Steel-18x12.jpg 18w, https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/ACS-WireAluminium-Clad-Steel-430x287.jpg 430w, https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/ACS-WireAluminium-Clad-Steel-700x466.jpg 700w, https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/ACS-WireAluminium-Clad-Steel-250x167.jpg 250w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How is Aluminium Clad Steel Wire Manufactured?<\/h2>\n\n\n\n<p>The quality of ACS wire heavily depends on the manufacturing process. Modern production uses <strong>continuous tangential cladding technology<\/strong>, which is far more advanced and consistent than older methods.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step-by-Step Manufacturing Process<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Steel Wire Core Preparation<\/strong> High-carbon or high-strength steel wire is drawn to the required diameter and undergoes thorough surface cleaning and activation. This step is critical to ensure proper bonding with aluminum.<\/li>\n\n\n\n<li><strong>Aluminum Rod Feeding<\/strong> High-purity aluminum rods are continuously fed into the extrusion machine.<\/li>\n\n\n\n<li><strong>Continuous Extrusion Cladding<\/strong> The steel wire passes through a high-speed continuous extrusion machine. Molten or semi-plasticized aluminum is extruded and tangentially applied around the moving steel core under controlled high pressure and temperature. This creates a dense, uniform aluminum layer.<\/li>\n\n\n\n<li><strong>Metallurgical Bonding<\/strong> The combination of heat, pressure, and clean surfaces results in a strong metallurgical bond at the aluminum-steel interface.<\/li>\n\n\n\n<li><strong>Cooling and Finishing<\/strong> The clad wire is cooled under controlled conditions, inspected for uniformity and bond quality, and then wound onto reels.<\/li>\n<\/ol>\n\n\n\n<p>This process allows for high production speeds, excellent dimensional control, and consistent cladding thickness \u2014 key factors for reliable performance in final stranded conductors.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/Continuous-Cladding-Machine-for-Aluminum-Manufacturers.png\" alt=\"\" class=\"wp-image-30295\" srcset=\"https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/Continuous-Cladding-Machine-for-Aluminum-Manufacturers.png 800w, https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/Continuous-Cladding-Machine-for-Aluminum-Manufacturers-400x300.png 400w, https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/Continuous-Cladding-Machine-for-Aluminum-Manufacturers-768x576.png 768w, https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/Continuous-Cladding-Machine-for-Aluminum-Manufacturers-16x12.png 16w, https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/Continuous-Cladding-Machine-for-Aluminum-Manufacturers-430x323.png 430w, https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/Continuous-Cladding-Machine-for-Aluminum-Manufacturers-700x525.png 700w, https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/Continuous-Cladding-Machine-for-Aluminum-Manufacturers-250x188.png 250w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Key Technical Properties<\/h2>\n\n\n\n<p>Aluminium Clad Steel Wire offers a well-balanced set of properties:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>R\u00e9sistance \u00e0 la traction<\/strong>: Significantly higher than pure aluminum wire, making it suitable for long-span and high-tension applications.<\/li>\n\n\n\n<li><strong>r\u00e9sistance \u00e0 la corrosion<\/strong>: The thick aluminum cladding provides outstanding protection. It performs particularly well in marine, industrial, and polluted atmospheres where galvanized coatings may degrade faster.<\/li>\n\n\n\n<li><strong>Electrical Conductivity<\/strong>: Typically between 14% and 40% IACS, depending on the aluminum-to-steel ratio. Much higher than galvanized steel.<\/li>\n\n\n\n<li><strong>Poids<\/strong>: Lighter than equivalent-strength galvanized steel wire, which helps reduce sag and structural loading on towers.<\/li>\n\n\n\n<li><strong>Bond Integrity<\/strong>: The metallurgical bond ensures the cladding remains intact during stranding, installation, and long-term service.<\/li>\n\n\n\n<li><strong>Thermal Performance<\/strong>: Good stability across a wide temperature range.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Advantages Over Traditional Materials<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Vs <strong><a href=\"https:\/\/doingcable.com\/fr\/produit\/galvanized-steel-tape-for-cable-armoring\/\">Galvanized Steel Wire<\/a><\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Much better long-term corrosion resistance (aluminum cladding vs zinc)<\/li>\n\n\n\n<li>Significantly higher electrical conductivity<\/li>\n\n\n\n<li>No risk of galvanic corrosion when used alongside aluminum conductors<\/li>\n\n\n\n<li>Better strength-to-weight ratio in many cases<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Vs Pure Aluminum Wire<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Much higher tensile strength<\/li>\n\n\n\n<li>Better sag characteristics for long spans<\/li>\n\n\n\n<li>Suitable for applications requiring mechanical robustness<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. Vs <a href=\"https:\/\/doingcable.com\/fr\/produit\/aluminum-alloy-wire\/\"><strong>Aluminized Steel<\/strong><\/a><\/h3>\n\n\n\n<p>ACS wire generally offers thicker and more uniform aluminum protection, resulting in superior corrosion performance and electrical properties.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Principales applications<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/doingcable.com\/fr\/produit\/opgw-fiber-optical-ground-wire\/\"><strong>Optical Ground Wire (OPGW)<\/strong><\/a><\/h3>\n\n\n\n<p>One of the most important applications. ACS wire is used as the strength member and outer layer in OPGW cables, providing both mechanical support and excellent grounding\/lightning protection while housing optical fibers for communication.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ACSR\/AW Conductors (Aluminum Conductor Aluminum Clad Steel Reinforced)<\/h3>\n\n\n\n<p>Used as the core in composite conductors. The aluminum cladding ensures excellent compatibility with the outer aluminum strands and provides superior corrosion resistance compared to traditional galvanized cores \u2014 especially valuable in coastal and industrial regions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Overhead Ground Wires and Shield Wires<\/h3>\n\n\n\n<p>Used on transmission lines for grounding and shielding against lightning strikes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Guy Wires and Stay Wires<\/h3>\n\n\n\n<p>Particularly suitable for towers and antennas in corrosive environments due to its combination of strength and corrosion resistance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Other Specialized Uses<\/h3>\n\n\n\n<p>Antenna guy wires, railway electrification grounding, and various structural applications requiring high strength and environmental durability.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">International Standards<\/h2>\n\n\n\n<p>High-quality Aluminium Clad Steel Wire is typically manufactured according to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>IEC 61232<\/strong> \u2014 Aluminium-clad steel wires for electrical purposes<\/li>\n\n\n\n<li><strong>ASTM B415<\/strong> \u2014 Standard Specification for Hard-Drawn Aluminum-Clad Steel Wire<\/li>\n\n\n\n<li><strong>ASTM B502<\/strong> \u2014 Standard Specification for Aluminum-Clad Steel Core Wire for Aluminum Conductors<\/li>\n\n\n\n<li><strong>AS 3607<\/strong> and other national standards<\/li>\n<\/ul>\n\n\n\n<p>These standards define requirements for tensile strength, conductivity, cladding thickness, and dimensional tolerances.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"700\" height=\"500\" src=\"https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/OPGW-Cable-Aerial-Optical-Power-Ground-Wire-Supplier.webp\" alt=\"\" class=\"wp-image-30297\" style=\"width:809px;height:auto\" srcset=\"https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/OPGW-Cable-Aerial-Optical-Power-Ground-Wire-Supplier.webp 700w, https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/OPGW-Cable-Aerial-Optical-Power-Ground-Wire-Supplier-400x286.webp 400w, https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/OPGW-Cable-Aerial-Optical-Power-Ground-Wire-Supplier-18x12.webp 18w, https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/OPGW-Cable-Aerial-Optical-Power-Ground-Wire-Supplier-430x307.webp 430w, https:\/\/doingcable.com\/wp-content\/uploads\/2026\/05\/OPGW-Cable-Aerial-Optical-Power-Ground-Wire-Supplier-250x179.webp 250w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Why Demand for ACS Wire is Growing<\/h2>\n\n\n\n<p>Several global trends are driving increased adoption:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Expansion of power grids into coastal and corrosive regions<\/li>\n\n\n\n<li>Need for longer asset life and reduced maintenance costs<\/li>\n\n\n\n<li>Growing use of OPGW for smart grid communication<\/li>\n\n\n\n<li>Reconductoring and upgrading of existing lines<\/li>\n\n\n\n<li>Preference for materials compatible with aluminum conductors<\/li>\n<\/ul>\n\n\n\n<p>Utilities and contractors are increasingly specifying ACS wire where long-term reliability and performance are priorities.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p><strong>Aluminium Clad Steel Wire<\/strong> represents an advanced engineering solution that successfully combines the best characteristics of two metals. Its metallurgically bonded aluminum cladding on a high-strength steel core delivers outstanding corrosion resistance, mechanical strength, and electrical performance \u2014 making it a material of choice for critical overhead line and grounding applications.<\/p>\n\n\n\n<p>As power infrastructure continues to evolve toward higher reliability and longer service life, ACS wire will remain an essential component in modern transmission and distribution systems.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Looking to Manufacture High-Quality Aluminium Clad Steel Wire?<\/strong><\/h4>\n\n\n\n<p>Producing consistent, high-performance ACS wire requires advanced and reliable production equipment. Our <strong>Continuous Cladding Production Lines<\/strong> are specifically engineered for efficient, stable, and high-quality ACS wire manufacturing with excellent bonding and productivity.<\/p>\n\n\n\n<p><strong>Demande d&#039;informations<\/strong> to discuss your ACS wire production project and receive detailed technical specifications and proposals.<\/p>","protected":false},"excerpt":{"rendered":"<p>In the power transmission and telecommunications industries, material selection for overhead lines and grounding systems has become increasingly demanding. Engineers<\/p>","protected":false},"author":1,"featured_media":30298,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[535],"tags":[1122,1123,1124],"class_list":["post-30294","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-knowledge-base","tag-acs-wire","tag-aluminium-clad-steel-wire","tag-alumoweld-wire"],"_links":{"self":[{"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/posts\/30294","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/comments?post=30294"}],"version-history":[{"count":1,"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/posts\/30294\/revisions"}],"predecessor-version":[{"id":30299,"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/posts\/30294\/revisions\/30299"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/media\/30298"}],"wp:attachment":[{"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/media?parent=30294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/categories?post=30294"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/tags?post=30294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}