DZ Iron Steel Group
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Zinc Aluminum Magnesium Coated Steel Sheet Zn-Al-Mg Alloys Coil
| Aluminum-Magnesium-Zinc coated steel) is a new type of highly corrosion-resistant coated steel sheet with a coating composition consisting of zinc as the main substrate in combination with aluminum (about 11%), magnesium (about 3%) and a trace amount of silicon.Adding Al, Mg, and Si to SuperDyma, the composite effect of these added elements improves corrosion resistance.Compared with hot-dip galvanized steel sheet and hot-dip galvanized-5% aluminium alloy steel sheet, SuperDyma has less adhesion but equal corrosion resistance. In addition, it can be used instead of stainless steel or aluminium sheet because of its excellent red rust resistance. |
| Aluminum-Magnesium-Zinc coated steel |
| Main Advantages |
Outstanding anti-corrosion and anti-rust functions
1.Corrosion resistance that is several times greater than previous materials
2.Automatic cross-section repair
3.Superior resistance to alkaline environments
Excellent processability
1.Anti-corrosion of processed parts is not affected
2.More resistant to scratches
3.Suitable for various welding and color coating processes
More cost-effective new materials
1.No more pre-coating
2.Can replace some stainless steel and aluminum
3.Extends product life and reduces costs
| Mechanical propertieson |
| Grade | Yield Strength | Tensile Strength | Elongation after breaking A80mm,%, ≥ | BH2 | r90 | n90 | ||
| MPa | MPa | 0.4~0.5 | >0.5~0.7 | >0.7 | MPa,≥ | ≥ | ≥ | |
| DC51D+ZM | – | 270~500 | 18 | 20 | 22 | – | – | – |
| DC52D+ZM | 140~300 | 270~420 | 22 | 24 | 26 | – | – | – |
| DC53D+ZM | 140~220 | 270~350 | 30 | 32 | 32 | – | 1.4 | 0.18 |
| S250GD+ZM | 250 | 330 | 15 | 17 | 19 | – | – | – |
| S280GD+ZM | 280 | 360 | 14 | 16 | 18 | – | – | – |
| S320GD+ZM | 320 | 390 | 13 | 15 | 17 | – | – | – |
| S350GD+ZM | 350 | 420 | 12 | 14 | 16 | – | – | – |
| S390GD+ZM | 390~580 | 460 | 12 | 14 | 16 | – | – | – |
| S420GD+ZM | 420~610 | 480 | 11 | 13 | 15 | – | – | – |
| S450GD+ZM | 450~640 | 510 | 10 | 12 | 14 | – | – | – |
| S550GD+ZM | 550 | 560 | – | – | – | – | – | – |
| HC260LAD+ZM | 260~330 | 350~430 | 22 | 24 | 26 | – | – | – |
| HC340LAD+ZM | 340~420 | 410~510 | 17 | 19 | 21 | – | – | – |
| HC220YD+ZM | 220~280 | 340~420 | 28 | 30 | 32 | – | 1.5 | 0.17 |
| HCT590X +ZM | 330~430 | 590 | 16 | 18 | 20 | 30 | – | 0.14 |
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