| 摘要 |
The aluminum alloy has 9-11.5wt.% silicon, 0.45-0.8wt.% manganese, 0.2-1.0wt.% magnesium, 0.1-1.0wt.% copper, not > 0.2wt.% zinc, not > 0.4wt.% zirconium, not > 0.4wt.% chromium, not > 0.3wt.% molybdenum, not > 0.2wt.% iron, not > 0.15wt% titanium, 0.01-0.02wt.% strontium, and balance aluminum and production-related impurities up to a total of not > 0.5wt.%. The aluminum alloy component in heat treatment exhibits a yield point of Rp-0.2 not less than 200 Megapascals and high elongation at break A not less than 9 percent. |
