压力容器钢板:20R 16MnR 16MnDR 15CrMoR SPV355
15MnVR (S)A515Gr60 (S)A515Gr70 (S)A516Gr60 (S)A516Gr70 (S)A516Gr55
09MnNiDR SA662GrC 14Cr1MoR 13CrMo44 &nb...
:20R 16MnR 16MnDR 15CrMoR
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