住友新日鐵耐熱鋼YT-304H用于焊接Super304H奧氏體不銹鋼,及超臨界鍋爐機組的新型Super304H 奧氏體不銹鋼,P91鋼 熔敷金屬化學成分C0.09? Si-0.20? Mn3.29? P0.03? S0.03? Cu3.05? Ni16.02 Cr18.47 Mo0.86 Nb+Ta0.66O0.04 N0.21
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