| 摘要 |
1,213,440. Copper alloys. INTERNATIONAL NICKEL Ltd. June 19, 1969 [July 1, 1968], No.31134/69. Heading C7A. An alloy suitable for use in the form of castings or in the wrought state has a composition within the range Ni 9-38% Cr 1-2À1% Si 0À2-0À7% Fe 0-2À0% Zr 0-0À8% Mn 0-3À0% Tc 0-0À5% Co 0-5À0% Nb 0-1À0% Al 0-0À5% Sn 0-2À0% Zn 0-2À0% Cu and impurities the balance, C as an impurity should be kept as low as possible, preferably below 0À02%. |
