| 摘要 |
PURPOSE:To prevent the surface cracking of an ingot and to stabilize casting by specifying the amts. of Cr, Zr, Cu, Al, Be, Co, etc., and restricting the amt. of S. CONSTITUTION:This Cu alloy consists of, by weight, 0.05-1% Cr, 0.01-1% Zr, <=0.001% S and the balance Cu or further contains 0.05-1% secondary components selected among Al, Be, Co, Fee, Ni, Hf, In, Mo, Mg, P, Pb, etc.
|
