?
???????????? Nia--------------- 剩余???????? Cu ----------- 0.50 max
???????????? C ----------- 0.02 max??????? Co------------ 0.08 max
??????????? Mn ----------- 1.0 max???????? Cr ----------- 14.5-16.5?????
化學???? Fe ----------- 4.0-7.0???????? ?Mo ----------- 15.0-17.0
組分???? P ----------- 0.04 max??????? V --------------0.35 max
???????????? S? ---------- 0.03 max???? ???W ---------------3.0-4.5
???????????? Si ---------- 0.08 max??????? 其它 -----------0.50 max
???? |