28 Gauge Zinc Iron Galvanized Steel Sheet Q235 Metal 0.16-5mm Thickness 60-275g/m² Zinc Coating
28 Gauge Zinc Iron Galvanized Steel Sheet with Q235 metal base and zero spangle surface finish. These sheets provide superior corrosion protection without painting requirements, offering a cost-effective alternative to stainless steel.
| Parameter | Specification |
|---|---|
| Standards | AISI, ASTM, GB, JIS |
| Materials | 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 |
| Surface Treatment | Oiled, passivation, chromium-free passivation, resistant to fingerprints |
| Spangle Options | Regular spangle, minimal spangle, zero spangle, big spangle |
| Certifications | ISO 9001-2008, SGS, CE, BV |
| MOQ | 25 tons (in one 20ft FCL) |
| Delivery Time | 15-20 days |
| Monthly Output | 10,000 tons |
| Usage | Grade | Yield Strength (MPa) | Tensile Strength (MPa) |
|---|---|---|---|
| Punching | DC51D+Z | - | 270-500 |
| Punching | DC52D+Z | 140-300 | 270-420 |
| Punching | DC53D+Z | 140-260 | 270-380 |
| Structure | S280GD+Z | ≥280 | ≥360 |
| Structure | S350GD+Z | ≥350 | ≥420 |
| Structure | S550GD+Z | ≥550 | ≥560 |
Zinc coating prevents oxygen and water from reaching the steel substrate, providing up to 30 years of rust-free protection.
Zinc sacrifices itself preferentially when coating is scratched, offering complete protection.
Hot-dip process ensures permanent binding between steel and zinc for superior corrosion resistance.
Modern steel frame buildings use galvanized steel for balconies, verandas, staircases, ladders, walkways, and outdoor construction projects.
Galvanized metal is a popular choice among sheet metal types, widely recognized as one of the most effective methods for corrosion prevention.
Galvanized sheets are extensively used in construction for building frames, awnings, industrial walkways, and fencing applications.
Galvanized steel consists of zinc-coated carbon steel, typically processed through hot-dip galvanization where steel is immersed in molten zinc.
We maintain stock of galvanized products in 0.6-2.0mm thickness and 1000mm, 1220mm, 1250mm widths. Free samples and Trade Assurance services are available.
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