| 摘要 |
<p>An alloy for making weld gun arm castings comprises about 0.35 to 0.8 wt.% Be, about 0.2 to 0.9 wt.% Co and about 1.5 to 2.4 wt.%Ni, with the balance being Cu and incidental impurities, the (Ni + Co)/Be ratio in the alloy being at least about 4.</p> |
