〔88〕铍铜合金棒 | |||||||||
(Copper-Beryllium Alloy Rolled Bars) | |||||||||
标准代号 | 规格号码 | 记号 | 化学成分(%)Chemical composition | ||||||
Cu | Be | Al | Si | Ni+Co | Ni+Co+Fe | Cu+Be+Fe+Ni+Co | |||
CNS | 10879 | C1720B | 其余 | 1.8-2.0 | ≦0.2 | ≦0.2 | ≧0.2 | ≦0.6 | - |
JIS | H3270 | C1720B | - | 1.8-2.0 | - | - | ≧0.2 | ≦0.6 | ≧99.5 |
ASTM | B196 | C17200 | - | 1.8-2.0 | ≦0.2 | ≦0.2 | ≧0.2 | ≦0.6 | - |
DIN | 17666 | CuBe2 | 其余 | 1.8-2.1 | - | - | ≦0.2 | ≦0.6 | - |