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Zinc-Aluminum-Magnesium Coil from China | Top Suppliers & Quality Factory Products for Superior Corrosion Resistance
📊 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.
As a global wire rod supplier, we offer a full range of solutions for stranded wire, cold heading standards and specialty alloy wire rod, enabling our customers to reduce costs and increase efficiency. If you are interested in our company and solutions, please contact us by email or call us directly for a customized catalog and technical support!
❓ Frequently Asked Questions
Q What is ZAM steel and how does it differ from regular galvanized steel?
ZAM steel is a zinc-aluminum-magnesium alloy-coated steel that offers significantly superior corrosion resistance compared to conventional galvanized steel. In salt spray tests, ZAM steel lasts 5–10 times longer than standard galvanized steel, making it ideal for harsh environments such as marine and industrial areas.
Q What coating weight options are available for ZAM steel?
ZAM steel is available with a double-sided coating weight ranging from 60 to 275 g/m². The appropriate coating weight depends on the application requirements and the level of corrosion protection needed.
Q What does "self-healing" mean in ZAM steel?
The magnesium content in ZAM steel's coating enables a self-healing effect. When the surface is scratched or cut, the magnesium reacts with moisture and oxygen to form a dense protective layer over the exposed area, preventing further corrosion from spreading.
Q Which industries commonly use ZAM steel?
ZAM steel is widely used across multiple industries including construction (roofing, wall panels, garage doors), home appliances (refrigerator and AC casings), automotive (chassis parts), and agriculture (greenhouse frames and silos).
Q What international standards does ZAM steel comply with?
ZAM steel products can be manufactured to comply with major international standards including ASTM (American), GB/T (Chinese), and JIS (Japanese) standards. Please specify your required standard when placing an inquiry.
Q Can ZAM steel be customized in terms of thickness and width?
Yes. ZAM steel is available in thicknesses from 0.3mm to 3.0mm and widths from 600mm to 1500mm. Custom dimensions and alloy compositions can be arranged based on your specific project requirements. Contact us directly for a tailored quote.