{"id":28442,"date":"2026-04-26T06:50:07","date_gmt":"2026-04-26T06:50:07","guid":{"rendered":"https:\/\/doingcable.com\/?post_type=product&p=28442"},"modified":"2026-08-07T07:53:39","modified_gmt":"2026-08-07T07:53:39","slug":"ligne-de-production-de-fil-dacier-galvanise","status":"publish","type":"product","link":"https:\/\/doingcable.com\/fr\/produit\/ligne-de-production-de-fil-dacier-galvanise\/","title":{"rendered":"Ligne de production de fil d'acier galvanis\u00e9"},"content":{"rendered":"

In the wire and cable industry, long-term corrosion resistance of steel core wire and armoring wire directly determines the service life and reliability of ACSR conductors, power cables, and outdoor structures. Our Ligne de production de fil d'acier galvanis\u00e9<\/strong> is a fully engineered continuous multi-wire hot-dip galvanizing system designed for high-volume manufacturers who demand consistent coating quality, low operating cost, and 24\/7 reliability.<\/p>\n

This turnkey line processes multiple steel wires simultaneously through controlled annealing, surface preparation, precise zinc immersion, and advanced wiping, producing a metallurgically bonded iron-zinc alloy layer plus pure zinc outer coating. The result is superior cathodic protection, abrasion resistance, and service life 3\u20135 times longer than electro-galvanized alternatives \u2014 fully compliant with ASTM A641, EN 10244, and GB\/T 15393 standards.<\/p>\n

Con\u00e7u pour un d\u00e9bit et une pr\u00e9cision maximaux, ce ligne de galvanisation continue multifilaire<\/strong> Cette machine traite simultan\u00e9ment jusqu'\u00e0 24 fils avec des diam\u00e8tres d'entr\u00e9e de 1,6 mm \u00e0 3,15 mm. Elle permet d'obtenir des grammages de rev\u00eatement de zinc de 145 \u00e0 255 g\/m\u00b2 pour des valeurs DV de 120 \u00e0 160, ce qui en fait la solution cl\u00e9 en main id\u00e9ale pour la production de fil d'acier galvanis\u00e9 de haute qualit\u00e9 utilis\u00e9 dans les conducteurs ACSR, le blindage des c\u00e2bles \u00e9lectriques, les cl\u00f4tures, les gabions et les applications structurelles.<\/p>\n

Pourquoi la galvanisation \u00e0 chaud surpasse les autres solutions<\/strong><\/h3>\n

La galvanisation \u00e0 chaud cr\u00e9e une couche robuste en alliage fer-zinc plus un rev\u00eatement ext\u00e9rieur en zinc pur \u2014 jusqu'\u00e0 10 fois plus \u00e9pais que l'\u00e9lectro-galvanisation \u2014 offrant une protection cathodique in\u00e9gal\u00e9e, une r\u00e9sistance \u00e0 l'abrasion et une long\u00e9vit\u00e9 sans entretien, m\u00eame dans des atmosph\u00e8res marines ou industrielles (conform\u00e9ment aux normes ASTM A641 et EN 10244).<\/p>\n

\"Machine<\/p>\n

Ce syst\u00e8me de galvanisation continue multifilaire de pointe est con\u00e7u pour une productivit\u00e9 maximale, un contr\u00f4le pr\u00e9cis du rev\u00eatement de zinc et un fonctionnement \u00e9co\u00e9nerg\u00e9tique. Il traite des fils d'alimentation de 1,6 mm \u00e0 3,15 mm de diam\u00e8tre \u00e0 des vitesses de ligne \u00e9lev\u00e9es tout en atteignant des grammages de rev\u00eatement de zinc de 145 \u00e0 255 g\/m\u00b2, ce qui le rend id\u00e9al pour la production de fil d'acier galvanis\u00e9 utilis\u00e9 dans les conducteurs ACSR, le fil barbel\u00e9, le treillis de gabions, le fil de ligature et les applications structurelles.<\/p>\n

What technical principles govern continuous hot-dip galvanizing of steel wire and how does it differ from batch or electro-galvanizing?<\/h3>\n

Continuous hot-dip galvanizing forms a metallurgical bond consisting of iron-zinc intermetallic layers (gamma, delta, zeta) topped by a pure zinc (eta) layer. The wire is cleaned, annealed or reduced in a controlled atmosphere, fluxed, dried, and immersed in a molten zinc bath held at 440\u2013460 \u00b0C. Nitrogen or charcoal wiping then controls coating thickness before cooling and take-up.<\/p>\n

Compared with batch galvanizing, continuous multi-wire lines (up to 24\u201340 wires) achieve 30\u201350 % higher output, 15\u201325 % lower zinc consumption, and far tighter coating uniformity. Electro-galvanizing produces thinner coatings (typically <50 g\/m\u00b2) with poorer abrasion resistance and no true intermetallic bond; hot-dip coatings are up to ten times thicker and provide both barrier and sacrificial cathodic protection.<\/p>\n

\"Zinc<\/p>\n

Why Hot-Dip Galvanizing Outperforms Alternative Coating Methods<\/h3>\n

Hot-dip galvanizing produces a coating typically 5\u201310 times thicker than electro-galvanizing, with a series of iron-zinc alloy layers (Gamma, Delta, Zeta) that provide an unbreakable metallurgical bond. The outer pure zinc layer offers sacrificial (cathodic) protection \u2014 if the coating is scratched or damaged, the surrounding zinc continues to protect the exposed steel.<\/p>\n

Key performance advantages:<\/strong><\/p>\n

    \n
  • Exceptional corrosion resistance in atmospheric, marine and industrial environments<\/li>\n
  • High abrasion and mechanical damage resistance<\/li>\n
  • No need for additional painting or maintenance over decades<\/li>\n
  • Compliance with international standards including ASTM A641, EN 10244 (Class A\/B\/C) and GB\/T 15393<\/li>\n<\/ul>\n

    Compared with batch galvanizing, the RLB continuous line delivers 30\u201350 % higher output, 15\u201325 % lower zinc consumption through precise wiping control, significantly reduced labor requirements and consistently superior coating uniformity.<\/p>\n

    Proc\u00e9d\u00e9s avanc\u00e9s et principales caract\u00e9ristiques d'ing\u00e9nierie<\/h3>\n

    The RLB Galvanized Steel Wire Production Line integrates proven hot-dip technology with modern automation for repeatable, high-quality results at high speed.<\/p>\n

    Fonctionnement continu multifilaire<\/strong> Processes up to 24 wires simultaneously for outstanding throughput and production efficiency.<\/p>\n

    Integrated Annealing Furnace (31 m)<\/strong> Ensures optimal wire softness, surface cleanliness and preparation prior to galvanizing, delivering consistent mechanical properties and excellent coating adhesion.<\/p>\n

    High-Capacity Zinc Furnace (100 MT)<\/strong> Maintains stable bath temperature and chemistry for uniform coating quality across all wires. Large capacity minimizes temperature fluctuations during continuous operation.<\/p>\n

    Syst\u00e8mes robustes de retour sur investissement et d'adoption<\/strong> 800 mm double-drum pay-off ensures smooth, tangle-free unwinding. Flexible vertical take-up or bobbin take-up options accommodate various downstream processes.<\/p>\n

    Precise Coating Control (DV 120\u2013160)<\/strong> Advanced wiping system (air or mechanical) precisely controls zinc coating weight and uniformity while minimizing zinc consumption. DV value (diameter \u00d7 line speed) is a key process parameter ensuring consistent metallurgical quality.<\/p>\n

    Conception \u00e9co\u00e9nerg\u00e9tique et n\u00e9cessitant peu d'entretien<\/strong> Optimized furnace insulation, efficient heating and precise wiping systems reduce energy consumption while producing bright, smooth galvanized surfaces with minimal dross formation.<\/p>\n

    The complete line is engineered for 24\/7 continuous operation with minimal downtime and meets or exceeds international quality and safety standards.<\/p>\n

    \"Zinc<\/h4>\n

    Complete Process Flow<\/h4>\n
      \n
    1. Non-stop \/ Spool Pay-off<\/strong> \u2013 Dual-spool or H-wheel system with automatic tension control and seamless switching for uninterrupted production.<\/li>\n
    2. Straightening & Distribution<\/strong> \u2013 Precision alignment of multiple wires.<\/li>\n
    3. Annealing \/ Heat Treatment<\/strong> \u2013 Long multi-zone gas or electric furnace ensures uniform softness, stress relief, and surface activation.<\/li>\n
    4. Cooling & Cleaning Sequence<\/strong> \u2013 Air\/water cooling \u2192 electrolytic alkaline degreasing \u2192 ultrasonic or fumeless pickling (acid-free options available) \u2192 multi-stage rinsing.<\/li>\n
    5. Fluxing & Drying<\/strong> \u2013 Controlled flux application followed by heated drying (150\u2013250 \u00b0C) to guarantee perfect zinc adhesion.<\/li>\n
    6. Hot-Dip Galvanizing<\/strong> \u2013 Immersion in high-capacity ceramic zinc pot maintained at stable temperature. Ceramic lining delivers high thermal efficiency (>80 %), minimal dross, 10 %+ zinc savings, and service life exceeding 10 years.<\/li>\n
    7. Precision Wiping<\/strong> \u2013 Nitrogen gas wiping or mechanical block wiping for accurate coating weight control and bright, smooth surface finish.<\/li>\n
    8. Post-Coating Cooling & Optional Passivation\/Waxing<\/strong> \u2013 Controlled cooling to lock the alloy structure.<\/li>\n
    9. Take-up<\/strong> \u2013 Inverted vertical or spool take-up with pattern laying for easy downstream handling.<\/li>\n<\/ol>\n

      Technical Specifications \u2013 Model RL24<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
      Param\u00e8tre<\/th>\nSp\u00e9cification<\/th>\n<\/tr>\n<\/thead>\n
      Diam\u00e8tre du fil d'entr\u00e9e<\/td>\n1.6 \u2013 3.15 mm \/ 1.6 \u2013 4.0 mm (wider ranges on request)<\/td>\n<\/tr>\n
      Nombre de fils<\/td>\nMax. 24 (up to 40 available)<\/td>\n<\/tr>\n
      Valeur DV<\/td>\n120 \u2013 160 \/ 120 \u2013 180<\/td>\n<\/tr>\n
      Poids du rev\u00eatement de zinc<\/td>\n145 \u2013 255 g\/m\u00b2 (standard heavy coat); 40 \u2013 450 g\/m\u00b2 full range<\/td>\n<\/tr>\n
      Longueur du four de recuit<\/td>\n31 m (or customized multi-zone)<\/td>\n<\/tr>\n
      Capacit\u00e9 du four \u00e0 zinc<\/td>\n100 MT ceramic pot (high-efficiency internal\/external heating)<\/td>\n<\/tr>\n
      Pay-off System<\/td>\n800 mm double-drum \/ active spool type with automatic tension control<\/td>\n<\/tr>\n
      Take-up System<\/td>\nVertical inverted \/ bobbin \/ spool type<\/td>\n<\/tr>\n
      Heating Options<\/td>\nNatural gas \/ LPG \/ Electricity<\/td>\n<\/tr>\n
      Annual Capacity<\/td>\n10,000 \u2013 30,000+ tons (depending on diameter & coating)<\/td>\n<\/tr>\n
      Coating Uniformity<\/td>\n\u00b110 g\/m\u00b2 via precision gas or mechanical wiping<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      Notes: Custom configurations available including higher wire counts, larger furnace capacities, specialized high-tensile wire handling, or Galfan (Zn-Al) coating options. Production capacity depends on wire diameter, coating weight and line speed.<\/p>\n

      Which production-line parameters and configurations deliver the highest coating consistency and lowest operating cost?<\/h3>\n

      The following table summarizes representative high-capacity continuous lines currently supplied for industrial use.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
      Param\u00e8tre<\/th>\nTypical Range (Standard Line)<\/th>\nHigh-Speed \/ Acid-Free Option<\/th>\nNotes<\/th>\n<\/tr>\n<\/thead>\n
      Inlet wire diameter<\/td>\n1.6\u20133.15 mm<\/td>\n0.8\u20138.0 mm<\/td>\nMulti-diameter modular designs available<\/td>\n<\/tr>\n
      Number of wires<\/td>\nMax. 24<\/td>\n6\u201340<\/td>\nParallel processing<\/td>\n<\/tr>\n
      DV value<\/td>\n120\u2013160 mm\u00b7m\/min<\/td>\n120\u2013180 mm\u00b7m\/min<\/td>\nHigher DV reduces equipment count for same output<\/td>\n<\/tr>\n
      Zinc coating weight<\/td>\n145\u2013255 g\/m\u00b2<\/td>\n40\u2013450 g\/m\u00b2<\/td>\nControlled by wipe pressure and immersion time<\/td>\n<\/tr>\n
      Zinc pot capacity<\/td>\n100 MT<\/td>\nCeramic, internal heating<\/td>\nFe <0.03 % critical to limit dross<\/td>\n<\/tr>\n
      Annealing furnace length<\/td>\n31 m<\/td>\nMulti-zone gas or electric<\/td>\nEnsures recrystallization and surface activation<\/td>\n<\/tr>\n
      Annual capacity<\/td>\n10 000\u201320 000 t<\/td>\n10 000\u201330 000 t<\/td>\nSingle line<\/td>\n<\/tr>\n
      Standards compliance<\/td>\nASTM A641, EN 10244, GB\/T 15393<\/td>\nSame + ISO 19203 (bridge wire)<\/td>\nClass A\/B\/C coating options<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      Applications principales<\/h3>\n
        \n
      • C\u00e2bles d'alimentation et de t\u00e9l\u00e9communication<\/strong>Fil d'\u00e2me en acier galvanis\u00e9 pour c\u00e2bles ACSR, OPGW et blind\u00e9s<\/li>\n
      • Construction et infrastructures<\/strong>Fil de cl\u00f4ture, fil barbel\u00e9, grillage \u00e0 gabions et fil de ligature<\/li>\n
      • Utilisations agricoles et industrielles<\/strong>Fil de vigne, fil de serre et fil galvanis\u00e9 \u00e0 usage g\u00e9n\u00e9ral<\/li>\n
      • Structures et fabrication<\/strong>Fil m\u00e9tallique pour clous, vis, ressorts et treillis soud\u00e9<\/li>\n<\/ul>\n

        What international standards and 2024\u20132026 performance data define acceptable coating quality?<\/h3>\n

        Primary standards remain:<\/p>\n

          \n
        • ASTM A641 \u2013 commercial and Class 1\/3 coatings<\/li>\n
        • EN 10244-2 \u2013 Class A\/B\/C zinc mass and uniformity<\/li>\n
        • GB\/T 15393 \u2013 Chinese national requirements<\/li>\n
        • ISO 19203:2018 \u2013 hot-dip galvanized and Zn-Al coated high-tensile wire for bridge cables<\/li>\n<\/ul>\n

          Coating mass is verified by the stripping method (ISO \/ ASTM equivalent). Uniformity is confirmed by the Preece copper-sulfate dip test. Recent industry data show continuous lines with advanced process control achieve coating uniformity within \u00b15 % of target and production efficiencies above 92 %. Salt-spray performance of Class A coatings routinely exceeds 500\u2013720 h to red rust under controlled laboratory conditions when surface preparation and bath chemistry are maintained.<\/p>\n

          What practical failure modes occur on galvanized wire lines and how are they prevented?<\/h3>\n

          Common defects and their root causes:<\/p>\n

            \n
          • Poor adhesion or bare spots \u2192 incomplete oxide removal or residual oil; prevented by multi-stage electrolytic cleaning and ultrasonic rinsing plus strict monitoring of surface cleanliness.<\/li>\n
          • Uneven or excessive coating \u2192 incorrect wipe pressure, zinc-bath temperature drift (>\u00b13\u20135 \u00b0C), or high iron content; controlled by dual-zone ceramic pots and automated nitrogen wiping.<\/li>\n
          • Zinc dross contamination \u2192 elevated Fe or Al imbalance; keep Fe <0.03 % and Al in the 0.18\u20130.22 % window.<\/li>\n
          • Hydrogen embrittlement on high-carbon wire \u2192 excessive acid exposure or rapid cooling; acid-free lines and controlled annealing eliminate the risk.<\/li>\n
          • Wire breaks or tension variation \u2192 inadequate pay-off\/take-up tension control; modern double-drum or H-wheel systems with closed-loop feedback solve this.<\/li>\n<\/ul>\n

            Routine maintenance of ceramic heaters, regular bath sampling, and laser or X-ray coating-thickness gauges further reduce downtime and scrap rates.<\/p>\n

            Key Takeaways for Reliable Long-Term Production<\/h3>\n

            A properly engineered multi-wire continuous galvanized steel wire production line delivers high throughput, consistent coating metallurgy, lower zinc consumption, and full compliance with ASTM, EN, and GB standards. Ceramic zinc pots, acid-free pretreatment options, and closed-loop automation represent the current state of the art for 2024\u20132026 installations. When matched to the target application (cable armoring, ACSR, structural, or high-tensile), these lines provide the process stability and coating durability required for long-term supply contracts.<\/p>\n

            Demande d'informations<\/strong> for detailed technical proposals, layout drawings, and customized configurations matching your diameter range, coating class, and annual capacity requirements.<\/p>","protected":false},"excerpt":{"rendered":"

            Ligne de production continue de galvanisation \u00e0 chaud multi-fils haute performance pour fil d'acier (typiquement 1,6\u20134,0 mm ou plages personnalis\u00e9es). Offre des rev\u00eatements de zinc uniformes de 40\u2013450 g\/m\u00b2 (ou une couche lourde standard de 145\u2013255 g\/m\u00b2), traite jusqu'\u00e0 24\u201340 fils simultan\u00e9ment, avec des valeurs DV de 120\u2013180. Con\u00e7ue pour les conducteurs ACSR, le blindage de c\u00e2bles \u00e9lectriques, les cl\u00f4tures, les gabions et les fils de structure. Fonctionnement continu 24h\/24 et 7j\/7, faible consommation de zinc, adh\u00e9rence et r\u00e9sistance \u00e0 la corrosion sup\u00e9rieures.<\/p>","protected":false},"featured_media":29631,"comment_status":"open","ping_status":"closed","template":"","meta":{"_joinchat":[]},"product_brand":[],"product_cat":[21,80,85],"product_tag":[926,1190,1191,928,319,923,1192,1193,1194,925,924,927],"class_list":{"0":"post-28442","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-all-product","7":"product_cat-cable-machinery","8":"product_cat-metal-wire-and-product-production-line","9":"product_tag-acsr-core-wire-production","10":"product_tag-china-galvanized-steel-wire","11":"product_tag-china-hot-dipped-galvanized-wire","12":"product_tag-continuous-galvanizing-line","13":"product_tag-galvanized-steel-wire","14":"product_tag-galvanized-steel-wire-production-line","15":"product_tag-galvanized-wire","16":"product_tag-galvanized-wire-manufacturer","17":"product_tag-hot-dipped-galvanized-wire","18":"product_tag-multi-wire-galvanizing-system","19":"product_tag-steel-wire-galvanizing-machine","20":"product_tag-zinc-coated-steel-wire-line","22":"first","23":"instock","24":"shipping-taxable","25":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/product\/28442","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/comments?post=28442"}],"version-history":[{"count":7,"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/product\/28442\/revisions"}],"predecessor-version":[{"id":31000,"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/product\/28442\/revisions\/31000"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/media\/29631"}],"wp:attachment":[{"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/media?parent=28442"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/product_brand?post=28442"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/product_cat?post=28442"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/doingcable.com\/fr\/wp-json\/wp\/v2\/product_tag?post=28442"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}