Hot-dip Zn-AL-MG alloy coated steel
Hot-dip Zn-AL-MG alloy coated steel, also known as ZM steel, is a new type of coating product.
The zinc-aluminium-magnesium coating is a ternary alloy coating with zinc as the main component, and the content of aluminium and magnesium is between 1.5-8% (among which the magnesium content is not less than 0.2%).
The magnesium in the coating is beneficial to promoting the formation of a very stable and well-organized and meticulous protective film,
namely Hydrozincite ((Zn5 (OH)8Cl2 ‧H2O), which generates and maintains a film-like covering on the surface of the coating,
thereby ensuring excellent corrosion resistance. Compared with traditional coatings such as GI and Aluzinc, ZM alloy-coated steel is known for its superior corrosion resistance, formality, wear and scratch resistance and can be applied in a wide range of fields such as automotive, HAVC, solar photovoltaics, agriculture, high-speed guardrails, electrical cabinets, greenhouse structures, etc.
Features
1, excellent corrosion resistance (10~20 times than GI with the same coating mass), scratch resistance as well as formability,
2. anti-corrosion mechanism at cutting end face and welding end.
3. Formability: The coefficient of friction of the ZM coating is 15% lower than that of the GI coating, and it remains stable during reciprocating friction,
giving it excellent formability.
4, Cost Reduction: An excellent alternative to much more costly materials such as aluminum and stainless steel.
Application
Because of super corrosion resistance, ZM coils in high strength grade like S350GD, S420GD are mainly used to make solar bracket components like C/U profiles.
Specifications
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Product Name |
Z-A-M / Magnesium Aluminium Zinc / Mg-Al-Zn coating steel coil |
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Grade |
DX51D,DX52D,DX53D,DX54D,S250GD,S300GD,S350GD,S450GD,S550GD |
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Width |
3mm-2000mm or as required0.3mm-4mm x 1000mm/1220mm/1300mm/1500mm ;
cut to size according to customers' demands |
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Thickness |
0.3mm-2.0mm or as required |
|
Standard |
AISI,ASTM,DIN,JIS,GB,JIS,SUS,EN,etc. |
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Surface |
Bright surface with spangle or color finish |
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Hardness |
soft or hardness, as clients required |
| Coating weight | AZM80, AZM100, AZM150~AZM200 |
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Coating |
lower 1. Zn, 6~11% aluminum, ≤3% magnesium, a trace amount of silicon
Middle 2. Zn, 1~3.5% aluminium, ≤3% magnesium), a trace amount of silicon |
|
Application |
It is widely used in building materials, construction, Corrugated steel sheet,decoration, home appliances, electrical appliances, Furniture industry ,Railway station,airport and transportation industry. |
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MOQ |
5tons.We also can accept sample order. |
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Shipment time |
Within 7-15 workdays after receiving deposit or L/C |
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Export packing |
Waterproof paper, and steel strip packed. |
