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バルブの本体材質にPIIが求められていますが、これはどのような材質ですか?

2016-02-29View Original

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普通の304/316クロムニッケルステンレスですか?それとも他の?大神たち、ありがとうございます
Reply #22016-02-29
PIIかP11か? P11は低合金耐熱鋼で、11/4Cr—1/2Moに相当する
Reply #32016-02-29
P11鋼の化学成分範囲(%):C:0.05-0.15、Mn:0.50-1.00、Si:0.30-0.60、S、P≤0.025、Cr:1.00-1.50、Mo:0.44-0.55。これは1.25Cr0.5Mo耐熱鋼であり、12CrMoに相当する
Reply #42016-03-01
材料の材質番号はP11を優先的に検討し、ローマ数字2は誤記の可能性が高いため、スペクトルで確認しましょう

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