| 摘要 |
<p>ALUMINIUM ALLOYS An aluminium base alloy having a composition selected from: (i) Cr 1.5% to 7.0% by weight Zr 0.5% to 2.5% by weight Mn 0.25% to 4.0% by weight Al remainder including normal impurities, and (ii) 7000 series Al alloys containing as added constituent:- Cr 0.5% to 3.0% by weight Zr 0.5% to 2.5% by weight Mn 0.1% to 2.0% by weight.</p> |
