摘要 |
<p>Aluminum-alloy spring materials which each contain 0.3 to 2.0 wt.% (exclusive of 2.0 wt.%) of Mg, 0.1 to 1.5 wt.% of Si, 0.1 to 3.0 wt.% of Cu and, if necessary, 0.01 to 1.5 wt.% of Mn, and, if necessary as further additional component(s), 0.01 to 0.5 wt.% of Cr, 0.01 to 0.2 wt.% of Zr, 0.01 to 0.2 wt.% of V, 0.01 to 0.2 of Sc, 0.001 to 0.2 wt.% of Ti and/or 0.0001 to 0.05 wt.% of B, with the balance being composed of Al and unavoidable impurities.</p> |