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?
??????????? Nia--------------剩余??????????? ?Cr ---------- 28.0-31.5
化学??? C ---------- 0.04 max????????? Ti-------------- 1.0 max
成份??? Mn ---------- 1.0 max????????? Al -------------1.10 max
????????????Fe --------- 7.0-11.0?????????? P ------------ 0.020 max
?????????? S---------- 0.015 max????????? Nbb--------------0.10 max
?????????? Si --------- 0.50 max?????????? Al+Ti ----------? 1.5 max??? ???????????????
?????????? Mo --------- 0.50 max????????? 其它 ----------- 0.50 max
????????? ?Cu --------- 0.30 max?????????
??????????????????????
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