| 摘要 |
An aluminum alloy for high pressure die-casting capable of providing a sufficient castability and a tensile strength of not less than 320 MPa and elongation of not less than 20%, The aluminum alloy contains from 3.6 to 5.5 mass % of Mg, from 0.6 to 1.2 mass % of Mn, from 0.2 to less than 0.5 mass % of Ni, from 0.001 to 0.010 mass % of Be, from 0.01 to 0.3 mass % of Ti, from 0.001 to 0.05 mass % of B, and the balance aluminum and inevitable impurities. The aluminum alloy is particularly available as a material of a vehicle frame and a vehicle body.
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