なぜ軸部品の製造には45#鋼がよく使われるのでしょうか？
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なぜ軸部品の製造には45#鋼がよく使われるのでしょうか？製造時になぜ焼き入れ焼き戻し処理を行うのか？
表面調質処理は、軸の表面硬度を高め、軸の摩耗を減らすためのものです。
45#鋼は一般炭素鋼で、炭素含有量が高く、強度と硬度が高いほか、コストパフォーマンスに優れ、耐摩耗性も良好です。
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