表4-2-1-1國(guó)際標(biāo)準(zhǔn)化組織(ISO)鎳及鎳合金牌號(hào)和化學(xué)成分牌號(hào)和名稱(chēng)化學(xué)成分(%),≤(特別注明者除外)產(chǎn)品類(lèi)型精煉鎳(ISO6283—1995)NR9980鎳≥99.80,砷0.004,鉍0.004,鉻0.03,鈷0.15,銅0.02,鐵0.02,錳0.004,磷0.004,鉛0.004,硫0.01,銻0.004,硅0.004,錫0.004,鋅0. (共 6245 字) [閱讀本文] >>