表4-1-1-1電解鎳牌號和化學成分%牌號Ni9999Ni9996Ni9990Ni9950Ni9920鎳+鈷,≥99.9999.9699.999.599.2鈷,≤0.0050.020.080.150.50碳,≤0.0050.010.010.020.10硅,≤0.0010.0020.002--磷,≤0.0010.0010.0010.0030.02硫,≤0.0010.0010.0010.0030.02鐵,≤0.0020.010.020.200.50銅,≤0.00150.010.02 (共 484 字) [閱讀本文] >>