New YSS高級ダイカスト金型用鋼 - 日立金属
New YSS高級ダイカスト金型用鋼 - 日立金属
New YSS高級ダイカスト金型用鋼 - 日立金属
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Appearance of Heat Crack and Test Result heat crack generation Observation of heat crack0.5mm0.5mm0.5mm