Shandong Baimaoxing Iron and Steel Co., Ltd.
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Color-Coated Steel Coils from China Factory - Z275 Galvanized Steel, Premium Suppliers for Building Materials

Galvanized color-coated coils from our China factory are high-quality roll-form composite panels, expertly crafted from Q235/SGCC cold-rolled substrates. These coils undergo a robust hot-dip galvanizing process that provides excellent rust resistance, followed by a vibrant colored coating for aesthetic appeal. Our products also offer the option of scratch-resistant lamination. Available in thicknesses ranging from 0.12 to 1.2mm and standard widths of 1000/1200mm, these coils are supplied in rolls with customizable slitting lengths. As a leading supplier, we cater to diverse applications, including building cladding and appliance casings, seamlessly combining protective qualities with decorative versatility.

    Galvanized Color-Coated Coil

    Galvanized color-coated coils are rolled composite metal materials based on Q235 or SGCC cold-rolled substrates. They undergo hot-dip galvanizing for primary rust protection, followed by high-adhesion colored coating application—with optional scratch-resistant film lamination for extra surface protection during handling and processing. These coils combine durability, aesthetics, and processability, serving as a foundational material across industries.

    Key Advantages

    Strong corrosion resistance from the galvanized base layer, ensuring longevity in humid or outdoor environments; customizable vibrant color coatings that meet decorative needs while enhancing weather resistance; excellent formability, enabling easy uncoiling, cutting, bending, and punching for continuous production; and cost-effectiveness compared to solid stainless steel, balancing performance and budget.

    Applications

    In construction, they’re processed into roof/wall cladding, partition panels, and advertising billboards; home appliance manufacturers use them for refrigerator, air conditioner, and washing machine casings; furniture production relies on them for cabinet panels and storage racks; they also suit light truck carriage components and temporary building enclosures, merging functionality with visual appeal.

    Installation Guidelines

    For installation, uncoil and cut the coils to required sizes first, then clean surfaces to remove dust/oil and check coating integrity. Connections use self-tapping screws or riveting, with sealant applied at joints to prevent water seepage—avoid excessive force to prevent coating peeling.

    Usage & Maintenance

    In use, avoid direct contact with strong acids/alkalis and prevent sharp objects from scratching the surface; outdoor installations need firm fixing to resist wind/rain. Maintenance is simple: clean with neutral detergent, touch up small scratches with matching paint, and inspect coating condition quarterly. Store coils in dry, ventilated areas, avoiding moisture to protect the galvanized layer and ensure long-term stable performance.

    Color-coated steel coil, pre-coated galvanized steel coil, Z275metal roofing panel, building materials, China, JIS steel plate (10)
    Color-coated steel coil, pre-coated galvanized steel coil, Z275metal roofing panel, building materials, China, JIS steel plate (11)

    Product Parameters

    Product Name PPGL
    Standard AiSi, ASTM, BS, DIN, GB, JIS
    Grade galvanized DX51D, SGCC, G550, SPGC
    Model Number Standard Specification
    Type Steel Coil Steel Plate
    Technique Cold Rolled Hot Rolled
    Surface Treatment Galvanized Coated
    Application Buliding Material, Construction
    Special Use Bending, Welding, Decoiling, Cutting, Punching
    Width 600-1250mm or As Required
    Length Customized
    Tolerance ±1%
    Processing Service Bending, Welding, Decoiling, Cutting, Punching
    Delivery Time 14 Days
    Surface finish Color Prepainted
    Zinc Coating 30-275g/m2
    Color Customers Samples Color
    Payment term 30%TT Advance + 70% Balance
    Coating Type Prepainted Coating

    Packing And Shipping

    Color-coated steel coil, pre-coated galvanized steel coil, Z275metal roofing panel, building materials, China, JIS steel plate (12)
    High Quality Stainless Steel 201 304 316L Stainless Steel Sheet Plate

    Frequently Asked Questions (FAQ)

    Q1 What are Galvanized Color-Coated Coils made of?
    They are rolled composite metal materials based on Q235 or SGCC cold-rolled substrates that undergo hot-dip galvanizing for rust protection, followed by a high-adhesion colored coating and optional scratch-resistant protective film.
    Q2 What are the primary applications of these color-coated coils?
    They are widely used in construction (roof/wall cladding, partition panels, billboards), home appliances (refrigerator, AC, and washing machine casings), furniture panels, and light truck carriage components.
    Q3 What processing services can be performed on these coils?
    Due to their excellent formability, the coils support processing services including uncoiling, cutting, bending, welding, and punching for continuous industrial production.
    Q4 What precautions should be taken during installation and daily use?
    Ensure surface cleaning before fixing with self-tapping screws/riveting and sealant. Avoid contact with strong acids/alkalis, prevent sharp scratches, and avoid excessive force during fastening to protect the coating layer.
    Q5 How should the coils be maintained and stored?
    Clean surfaces with neutral detergent, inspect quarterly, and touch up scratches with matching paint. Store coils in dry, well-ventilated areas to avoid moisture exposure and preserve the zinc layer.
    Q6 What are the standard specifications, zinc coating, and delivery times?
    We supply widths from 600-1250mm (or customized), zinc coatings ranging from 30-275g/m², custom sample colors, with a standard delivery lead time of 14 days.

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