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630ステンレスバルブシャフトの処理方法

2016-05-26View Original

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どなたか詳しい方、バルブシャフトに630ステンレスを使用する場合、鍛造(A705規格)の方が良いのか、熱間圧延(A564規格)の方が良いのか、どちらの方がコストが高くなりますか
Reply #22016-05-26
630ステンレスは17-4PH材質です。熱間圧延で十分です。H1150の規定に従い、熱処理を行い、硬度は≤HRC33、σbは≥930MPa、σsは≥725MPaとします
Reply #32016-05-26
わかりませんが、参考までに
Reply #42016-05-26
熱処理方法についてですが、メーカーはH1150X2を選んでいるようです。規格を調べてもこの表記方法は見当たらず、どういう意味なのかわかりません

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