General Product Description
Zinc-aluminum-magnesium(ZAM) coating is through the role of aluminum and magnesium, so that the hot dip coating has excellent corrosion resistance, wear resistance and processing, can be widely used in various fields.
Hot-dip zinc-magnesium alloy coating(ZM)
In the hot-dip galvanizing production line, the pretreated steel strip is immersed in a zinc solution containing aluminum and magnesium to obtain a coating. The mass percentage of magnesium in the zinc-magnesium alloy solution is 1.0-2.0%, the mass percentage of aluminum is 0.8-3.0%, the mass percentage of other trace control elements is less than 1%, and the remaining components are zinc.
Mechanical Property
Equivalent Grade of Hot -dip Al-Zn Coated Steel Sheets
| Q/BQB 425 | QB/T 14978 | AS 1397 | EN 10346 | ASTM A792M | JIS G 3321 |
|---|---|---|---|---|---|
| DC51D+AZ | DX51D+AZ | G2+AZ | DX51D+AZ | CS type B CS type C | SGLCC |
| DC52D+AZ | DX52D+AZ | G3+AZ | DX52D+AZ | DS | SGLCD |
| DC53D+AZ | DX53D+AZ | - | DX53D+AZ | - | SGLCDD |
| DC54D+AZ | DX54D+AZ | DX54D+AZ | |||
| S250GD+AZ | S250GD+AZ | G250+AZ | S250GD+AZ | SS 255 | - |
| S300GD+AZ | S300GD+AZ | G300+AZ | - | - | SGLC400 |
| S350GD+AZ | S350GD+AZ | G350+AZ | S350GD+AZ | SS 345 Class1 | SGLC440 |
| S450GD+AZ | - | G450+AZ | - | SS 410 SS 480 | SGLC490 |
| S550GD+AZ | S550GD+AZ | G550+AZ | S550GD+AZ | SS 550 Class1 | SGLC570 |
Fabrication and Delivery Conditions
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