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0.1- 1.2mm Thick Cold Rolled Galvanized Steel Coil - Corrosion Resistant for Construction Roofing

Our hot dip galvanized (HDG) steel coil is tailor-made for roofing sheet production, blending exceptional corrosion resistance with durability to withstand rain, UV rays, and harsh outdoor conditions. With Z30-Z275 coating weight options—ideal for long-term roof protection—it ensures your roofing sheets resist rust and fading for up to 15+ years.
Available in 0.1mm-1.2mm thicknesses (the optimal range for roofing) and customizable widths, it fits residential, commercial, and industrial roof designs. Its smooth surface enables easy bending and cutting, streamlining roofing sheet fabrication. Compliant with industry standards, this HDG coil delivers reliable performance, making it the top choice for roofing projects needing low maintenance and long service life. Contact us for factory pricing and fast delivery.
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    product details

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    Production description

    Product name

    Galvanized steel coils

    Width

    100-1250mm, 1000mm, 1219mm, 1250mm  or according to customer's requirement

    Thickness

    0.12-3.0mm, 0.5mm, 0.8mm, 1.0mm, 1.2mm, 1.5mm, 2.0mm or customer's requirement

    Coil weight

    3-10 tons or customer's requirement

    Surface Structure

    GI, GL, GA, Color coated, Chemical passivating, Oils

    Standard

    ASTM,DIN,JIS,BS,GB/T,EN

    Grade

    DC51D+Z,DC52D+Z,DC53D+Z, DX51D+Z, SGCC, SGCD, SGHC, SGH340, DX51D+AZ, DC51D+AZ, DX51D+ZAM, DC51D+ZAM, SECC, DX51D+ZF, DC51D+ZF, CSA, CSB, SS33, S350GD

    Coating Weight

    30-275g/m2

    Our galvanized steel coils offer customizable specs—thickness, coating weight, and size tailored to your application (roofing, automotive, HVAC, etc.).
    Jinxuan Steel provides 1-on-1 professional service: we listen to your needs, then deliver one-stop solutions matching your use cases. Every coil goes through 4-layer quality inspections to ensure reliability. We guarantee on-time delivery, so you meet project deadlines with ease.
    Durable, corrosion-resistant, and industry-compliant—ideal for long-term use in construction, appliances, and more.

    GI Galvanized steel sheet Coils (1)


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    Production Advantage

    Superior Dimensional Accuracy

    Strong Corrosion Resistance

    The zinc coating provides protection against rust and significantly extends the service life.
    Excellent Surface Quality

    High Structural Strength

    Excellent tensile/yield strength handles high pressure and heavy loads.
    Enhanced Mechanical Properties

    Enhanced Formability

    Uniform thickness and ductility enable easy bending/welding into various diameters.
    Good Formability

    Cost-Effective Durability

    Long lifespan and low maintenance reduce long-term expenses.
    Customized processing

    Attractive Surface Finish

    Smooth zinc layer offers clean appearance for industrial/visible use.
    On-site installation

    Versatile Application Range

    Adapts to diverse industries (construction, plumbing, automotive) and conditions.

    Production Application

    GI Galvanized steel sheet Coils (11)

    Galvanized Steel Coil Applications 

    1. Construction Industry

    Ideal for roofing sheets, wall panels, and steel structures (purlins, trusses) in residential/commercial buildings. Z100-Z275 coating resists rain/UV, ensuring 15+ years of rust-free use. Also used for fencing and construction scaffolds.

    2. Automotive Sector

    Makes auto body parts, chassis frames, and fuel tank guards. High-strength (≥500MPa) and ISO/TS 16949 certified; thin-gauge (0.2mm-0.8mm) coils fit precision parts like heat shields. Also for truck bed liners.

    3. Electrical & Appliances

    Used for electrical cabinet casings, AC shells, and washing machine drums. Cold-rolled, smooth-surface coils (0.3mm-1.5mm) enable easy stamping; RoHS-compliant for household safety. Also for transformer cores.

    4. HVAC & Pipes

    Critical for HVAC ductwork (resists temperature changes/leaks) with 0.5mm-1.2mm gauge. Also raw material for water/gas galvanized pipes (Z60-Z180 coating prevents corrosion).

    5. Packaging & Custom Uses

    Food-grade (FDA/LFGB) coils make tin cans/food containers. Custom cut-to-length options suit industrial machinery parts and agricultural greenhouse frames.

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