🔬 ZAM Coated Steel: The Next Generation Coating That Outperforms GI by 3-6x – CNB Group Has It in Stock

If you are still using traditional galvanized steel (GI) for coastal projects, industrial facilities, or agricultural buildings, you may be leaving money on the table.

ZAM (Zinc-Aluminum-Magnesium) coated steel is the fastest-growing segment in the coated steel market – and for good reason. With a unique alloy composition of Zn-(2-11%)Al-(1.5-3%)Mg, ZAM delivers 3 to 6 times the corrosion resistance of traditional GI in salt spray tests. In cut-edge and scratch areas, ZAM forms a dense, stable corrosion product that self-heals and prevents red rust from spreading.

✅ Cut-edge self-healing – When the sheet is cut or scratched, the exposed edge forms a protective layer that seals the cut and prevents corrosion from spreading

✅ Superior salt spray performance – ZAM275 can withstand 1,400+ hours before red rust appears, while standard Z275 GI fails before 500 hours

✅ Lower friction coefficient – Better formability, less die wear, and fewer surface defects during stamping and profiling

✅ Excellent weldability and paint adhesion – Compatible with standard welding and coating lines without process changes

 – 1MW project requires 30-35 tons of ZAM steel

 – Extreme corrosion resistance in salt-laden air

 – Excellent ammonia resistance

 – Fastest-growing segment in the coated steel market

The market is shifting. Photovoltaic and energy storage applications are driving explosive growth in ZAM demand. Traditional GI is being squeezed by trade tariffs and shrinking construction demand – while ZAM is running at full capacity.

CNB Group has ZAM coils in stock – ZM80 to ZM275, thickness 0.3mm to 3.0mm, width up to 1250mm. Surface treatments available: chromated, anti-fingerprint, oiled, or un-oiled.

Don‘t let corrosion eat into your product lifespan and your profit. Upgrade to ZAM today.

📩 Send us your required grade, size, and quantity – we’ll tailor a ZAM solution for you.