China Suppliers Factory Color-Coated Steel Coils - Galvanized Metal Roofing Panels 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 colors meet decorative needs while enhancing overall weather resistance and visual appeal.
Excellent Formability
Enables easy uncoiling, cutting, bending, and punching—ideal for continuous, efficient production workflows.
Cost-Effective Solution
More affordable than solid stainless steel, offering an optimal balance between performance and budget.
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.
- 1Uncoil and cut the coils to the required sizes.
- 2Clean surfaces thoroughly to remove dust and oil, then check coating integrity before installation.
- 3Connect panels using self-tapping screws or riveting methods.
- 4Apply sealant at joints to prevent water seepage—avoid excessive force to prevent coating peeling.
- Avoid direct contact with strong acids or alkalis to protect the coating layer.
- Prevent sharp objects from scratching the surface during handling and use.
- Outdoor installations must be firmly fixed to resist wind and rain exposure.
- Clean with neutral detergent; touch up small scratches with matching paint promptly.
- Inspect coating condition quarterly to detect any deterioration early.
- Store coils in dry, ventilated areas, avoiding 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 |
Customers Samples Color |
Payment Term |
30% TT Advance + 70% Balance |
Coating Type |
Prepainted Coating |
