Large Spangle Galvanized Steel Sheet Zinc 40~275g GI Plate for Roofing & Construction
Product Details
| Product Name: | Galvanized Steel Sheet | Base Material: | SGCC / DX51D / ASTM A653 |
|---|---|---|---|
| Zinc Coating: | 30g/m² – 275g/m² | Thickness: | 0.12mm – 3.0mm |
| Width: | 600mm – 1500mm | Surface: | Big Spangle; Regular Spangle; Zero Spangle |
| Surface Treatment: | Chromated / Oiled / Anti-fingerprint | Standard: | ASTM / JIS / EN |
| Highlight |
galvanized steel sheet for roofing,large spangle GI plate,zinc coated steel construction plate |
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Product Description
Large Spangle Galvanized Steel Sheet is produced through a hot-dip galvanizing process, forming a distinctive and attractive zinc crystal pattern (big spangle) on the surface. It provides excellent corrosion resistance and is widely used in roofing, wall cladding, ducting, and general construction.
Compared with zero spangle sheets, large spangle GI sheets offer a more decorative appearance and are preferred in visible applications.
- Attractive large zinc spangle surface (decorative finish)
- Excellent corrosion resistance
- Strong adhesion of zinc coating
- Easy to process (cutting, bending, stamping)
- Cost-effective solution for construction
- Suitable for outdoor applications
| Item | Specification |
|---|---|
| Material | SGCC / DX51D / ASTM A653 |
| Thickness | 0.12mm - 3.0mm |
| Width | 600mm - 1500mm |
| Length | Customized |
| Zinc coating | 30g/m² - 275g/m² |
| Surface | Large Spangle |
| Spangle type | Regular / Big Spangle |
| Surface Treatment | Chromated / Oiled / Dry |
| Standard | JIS / ASTM / EN |
- Roofing sheets
- Wall panels
- Steel structure buildings
- Ventilation ducts
- Fencing and gates
- Household appliances (non-decorative internal parts)
- Agricultural buildings
Standard export seaworthy packing
Plastic film + waterproof paper + steel sheet cover
Steel strips binding
Wooden pallet optional
20GP / 40HQ container loading
Large spangle refers to visible zinc crystal patterns formed during the hot-dip galvanizing process, giving the sheet a shiny and decorative appearance.
| Type | Appearance | Application |
|---|---|---|
| Large Spangle | Visible flower pattern | Roofing / decoration |
| Zero Spangle | Smooth surface | Painting / automotive |
Not recommended for high-end painting, as the uneven surface may affect coating adhesion. Zero spangle is better for painting.
Z30-Z80 → Indoor use
Z100-Z180 → General outdoor
Z275 → High corrosion environment (recommended)
Normal environment: 10-20 years
Coastal/harsh environment: depends on zinc coating thickness
Product Highlights
Large Spangle Galvanized Steel Sheet Zinc 40~275g GI Plate for Roofing & Construction Product Overview Large Spangle Galvanized Steel Sheet is produced through a hot-dip galvanizing process, forming a distinctive and attractive zinc crystal pattern (big spangle) on the surface. It provides excellent ...
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