China Suppliers Factory Color-Coated Steel Coil, Pre-Coated Galvanized Steel for Building Materials
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.
Strong Corrosion Resistance
The galvanized base layer ensures longevity in humid or outdoor environments, providing reliable long-term protection.
Customizable Color Coatings
Vibrant, customizable color options meet decorative needs while enhancing weather resistance for all climates.
Excellent Formability
Enables easy uncoiling, cutting, bending, and punching—ideal for continuous production and complex fabrication.
Cost-Effective Solution
More economical than solid stainless steel, delivering a strong balance between performance and budget efficiency.
Applications are widespread: 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.
- Uncoil and cut the coils to required sizes, then clean surfaces to remove dust and oil before installation.
- Check coating integrity carefully before proceeding with any connection work.
- Use self-tapping screws or riveting for connections; apply sealant at joints to prevent water seepage.
- Avoid excessive force during fastening to prevent coating peeling or surface damage.
- Avoid direct contact with strong acids or alkalis; prevent sharp objects from scratching the surface.
- Outdoor installations must be firmly fixed to resist wind and rain forces.
- Clean with neutral detergent; touch up small scratches with matching paint promptly.
- Inspect coating condition quarterly to catch any deterioration early.
- Store coils in dry, ventilated areas—avoid moisture to protect the galvanized layer and ensure long-term stable performance.

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 |
Building 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 |
30–275 g/m² |
Color |
Customer's Sample Color |
Payment Term |
30% TT Advance + 70% Balance |
Coating Type |
Prepainted Coating |





















