ZAM
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Zinc-Aluminum-Magnesium Coated Steel Coil (ZAM)
Advanced zinc-aluminum-magnesium coated steel coil with superior corrosion resistance, ideal for harsh environments, long-life roofing, and structural applications.
- ✅ 3–5 times better corrosion resistance than conventional GI
- ✅ Excellent self-healing performance on cut edges
- ✅ Suitable for high humidity, coastal and industrial environments
- ✅ Good formability and weldability
- ✅ Eco-friendly, no spangle pollution
| Parameter | Specification |
|---|---|
| Product Name | Zinc-Aluminum-Magnesium Coated Steel Coil (ZAM) |
| Standard | ASTM A1046, EN 10346, JIS G3323 |
| Base Grade | DX51D+ZM, S350GD+ZM, S550GD+ZM |
| Thickness | 0.2mm – 4.0mm |
| Width | 600mm – 1500mm |
| Coating Composition | Zn 96%, Al 3%, Mg 1% (or customized ratio) |
| Coating Weight | 60–275g/m² |
| Surface Treatment | Anti-fingerprint / Passivated / Oiled |
| Spangle | Regular / Minimized / Zero |
| Coil Weight | 2–15 tons (customizable) |
| Inner Diameter | 508mm / 610mm |
| Certification | ISO 9001, CE, SGS, BV |
| Application Field | Details |
|---|---|
| Roofing & Wall Cladding | Long-life industrial roofs, coastal buildings |
| Agricultural Structures | Greenhouses, barns, livestock housing |
| Infrastructure | Solar mounting systems, highway guardrails |
| Automotive & Hardware | Chassis parts, brackets, fasteners |
| Item | Details |
|---|---|
| Packaging | Export standard seaworthy package (waterproof paper + steel strapping + wooden pallets) |
| Loading | 20GP / 40GP Container |
| Lead Time | 7–15 working days after deposit |
| Shipping Port | Qingdao / Tianjin / Shanghai (negotiable) |
what people say about us?
“We’ve been sourcing GI and PPGI coils from them for over 2 years. The quality is consistent, prices are stable, and shipments always arrive on schedule. Their team is quick to respond and very helpful with documentation.”
“As a construction contractor, we rely on reliable steel suppliers. Their H-beams and angle steel have always met our project requirements, and their quality control is strict. Communication is easy even with the time difference.”
“We appreciate their flexible MOQs and fast lead times. The steel coils are well-packaged, and they provide all the certificates we need for customs clearance. Highly recommended for bulk orders.”
