Zinc Aluminum Magnesium Coated Steel
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Zinc Aluminum Magnesium Coated Steel

The aluminum-magnesium-zinc steel sheet (Al-Ma-Zn) is a new type of high-corrosion-resistant coated steel sheet. Its base layer is mainly composed of zinc, plus 11% aluminum, 3% magnesium and a small amount of silicon. The surface of the aluminum-zinc-magnesium steel plate has a fine spangle crystal texture, and the surface is coated with a special resin protective film to keep the surface of the product smooth and metallic.

Zinc Aluminum Magnesium Coated Steel CoilZAM Steel Coil

Schematic Cross Section

Schematic diagram of ZAM steel sheet structure


Coating Weight100-180g/m2
Steel GradeLow carbon steel: DC51D+ZM, DC52D+ZM, DC53D+ZM.
Structural steel: S250GD+ZM~S550GD+ZM .
Low-alloy high-strength steel: HC260LAD+ZM ~HC340LAD+ZM.
Duplex steel: HCT450X+ZM, HCT590X+ZM.
Surface Treatment①Passivation+oiling, ②no passivation+oiling, ③passivation+no oiling, ④no passivation+no oiling, ⑤fingerprint resistant
ApplicationRoofs, walls, ventilation ducts, containers, floor pavilions, rolling shutter doors, electrical back panels, auto parts, etc.

Al-Ma-Zn Coated Steel Coil Manufacturing Process

Schematic diagram of ZAM coated steel coil manufacturing process

Excellent Performance

1.Self-healing: The wound of the aluminum-magnesium-zinc steel plate is self-healing, and its cross section is usually covered by a dense protective film composed of zinc hydroxide, alkaline zinc chloride or magnesium hydroxide.

2.Good corrosion resistance: It can effectively resist the corrosion of various acid and alkali chemicals and prolong the service life of steel.

3.High temperature resistance: When the temperature is as high as 450℃-650℃, the coating can still be guaranteed not to fall off.

Advanced Production Line

SuperDyma Steel Coil FactoryAl-Ma-Zn Steel Sheet Company


Storage: Store in a dry, well-ventilated room with no chemical pollutants around. If it is placed outdoors, it should be covered with rain cloth.

Transportation: The steel coil must be tied and fixed during transportation, and covered with rain cloth to ensure transportation safety.

Slitting: The width of the steel coil after slitting must meet the corresponding tolerances, to avoid burrs on the edges, and not to produce creases, gravures, scratches, embossing, foreign matter adhesion and other defects that affect the subsequent processing.

Notice of Cooperation

Monthly Supply: 1000-2000 tons

MOQ: 20 Tons

Delivery Time: 10-35 Days; Specific according to the contract.

Packaging: According to customer needs, provide naked packaging, fumigated wooden pallet packaging, waterproof paper, iron sheet packaging, etc.


Q:Can I get samples before order ?
A:Yes, of course. Usually our samples are free,we can produce by your samples or technical drawings.


Q:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.


Q:What product information do I need to provide?
A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.


Q:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we accept  third party inspection.


Q:How do we trust your company?
We specialise in steel business for years as golden supplier on Alibaba,  you are welcome to investigate in any ways, by all means, we have CE and ISO9001 certificate, quality can be guaranteed, the most important point is that we ship enough weight as per the order.

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