0.5mm G60 Z180 Cold Rolled Galvanized Steel Coil Sheet for Building Construction - 25-1500mm Width, 3-8 Ton Coils
0.5mm Cold Rolled Galvanized Steel Coil Sheet G60 Z180 is manufactured using advanced hot-dip galvanizing technology, providing superior corrosion resistance for building and construction applications.
Hot-dip galvanizing involves immersing cold rolled steel strip in molten zinc at approximately 500°C, creating a metallurgical bond that forms a protective barrier against corrosion. This cost-effective surface treatment method ensures long-lasting performance in various environmental conditions.
| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Standard | AISI, ASTM, GB, JIS | Material | SGCC, S350GD+Z, S550GD+Z, DX51D, DX52D, DX53D |
| Thickness | 0.16-5mm | Width | 25-1500mm |
| Tolerance | ±0.02mm | Zinc Coating | 60-275g/m² |
| Coil ID | 508-610mm | Coil Weight | 3-8 tons |
| Technique | Hot rolled, cold rolled | Package | Seaworthy package |
| Certification | ISO 9001-2008, SGS, CE, BV | MOQ | 25 TONS (in one 20ft FCL) |
| Delivery | 15-20 days | Monthly Output | 10000 tons |
- Oiled, passivation or chromium-free passivation
- Passivation+oiled, chromium-free passivation+oiled
- Resistant to fingerprints or chromium-free resistant to fingerprints
- Spangle options: regular spangle, minimal spangle, zero spangle, big spangle
| Usage | Grade | Yield Strength (MPa) | Tensile Strength (MPa) |
|---|---|---|---|
| Punching galvanized steel | DC51D+Z | - | 270-500 |
| Punching galvanized steel | DC52D+Z | 140-300 | 270-420 |
| Punching galvanized steel | DC53D+Z | 140-260 | 270-380 |
The galvanization process creates a permanent metallurgical bond between zinc and steel, providing comprehensive protection through:
- Zinc coating barrier preventing corrosive substances from reaching base metal
- Sacrificial anode protection where zinc corrodes preferentially when coating is damaged
- Enhanced durability through controlled pretreatment and post-treatment processes
- Superior rust and corrosion resistance
- Cost-effective protection solution
- Exceptional durability and longevity
- Versatile applications across multiple industries
This galvanized steel coil is extensively used in construction and manufacturing industries for:
- Building frames and structural components
- Roofing and wall panels
- Home appliance manufacturing
- Balconies, verandas, staircases, and walkways
- Industrial fencing and outdoor structures
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