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With a high content of Magnesium ,it has the highest hardness in non - heat - treated alloys. Good seawater resistance, low temperature, suitable for welding structure with high corrosion resistance.
Used in offshore installations, ship equipment, container ships, automobile and aircraft plate welding parts, tooling, machining, large equipment components,etc,.
| Al: balance | ||||||
| Si | Fe | Cu | Mn | Mg | Zn | Cr | Ti |
| 0.4 | 0.4 | 0.1 | 0.4-1 | 4.0-4.9 | 0.25 | 0.05-0.25 | 0.15 |
| O | H111 | H112 |
| Tensile Strength(MPa) | 100-125 | ≥ 270 | ≥275 |
| Yield Strength(MPa) | 215-255 | ≥115 | ≥125 |
| Elongation(%) | 15-18 | ≥10 | ≥10 |
Different thickness,the above values will be different, just for reference.
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