限制化学成分,%
镍................................................. ............................平衡
钼................................................. .............. 15.0-17.0
铬................................................. ................... 14.5-16.5
铁................................................. ................................. 4.0-7.0
钨................................................. ......................... 3.0-4.5
钴................................................. .......................... 2.5 大
锰................................................. .................. 1.0 大
碳................................................. ....................... 0.01 大
钒................................................. ................... 多0.35
磷................................................. ............... 大0.04
硫磺................................................. ......................... 0.03 大
硅................................................. ........................ 大0.08