Zinc-Aluminum-Magnesium Coil
Parameters & Typical Value
| Thickness | 0.3mm–3.0mm |
| Width | 600mm–1500mm |
| Coating Weight | 60–275 g/m²(Double-sided) |
| Salt Spray Test | 1000–3000/hours(Red rust) |
Types
Standard ZAM: Zn-based with Al (1-3%) and Mg (0.1-1%).
High-Al ZAM (AZ): Higher Al (5-11%) and Mg (1-3%).
Super ZAM: Enhanced corrosion resistance with optimized alloy ratios.
Characteristics
● - Superior corrosion resistance (5-10x longer than galvanized steel in salt spray tests).
● - Self-healing: Magnesium forms a protective layer on scratches.
● - Excellent formability for stamping and bending.
Advantages
● - Long lifespan, lower maintenance costs.
● - Eco-friendly (reduces zinc resource consumption).
● - Resists harsh environments (marine, industrial areas).
Material Composition
- Base material: Low-carbon steel (e.g., DX51D, DX53D).
- Coating: Zn + Al + Mg (e.g., Zn-90%, Al-6%, Mg-4%).
Applications
- Construction: Roofing, wall panels, garage doors.
- Appliances: Refrigerator/AC casings.
- Automotive: Chassis parts.
- Agriculture: Greenhouse frames, silos.
Key Export markets
- SE Asia: Thailand, Singapore, Malaysia
- Middle East: Saudi Arabia, UAE, Oman, Egypt ,Kuwait, Jordan
- Africa: South Africa, Tanzania, Algeria, Ghana,Nigeria
- South America: Peru, Columbia, Ecuador, Chile
Process Advantages and Material Selection Guidelines
Advanced high-speed rolling and controlled cooling technologies ensure dimensional precision (±0.1 mm) and microstructural homogeneity, supporting downstream processes like drawing and heat treatment. Material selection must comply with industry standards (ASTM, GB/T, JIS), prioritizing carbon content, elongation, and surface defect control.
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