공구강 40CrMnNiMo8-6-4, 1.2738, AISI P20 Tool Steel STEELMAX Steel Story 40CrMnNiMo8-6-4는 DIN-EN Material Number 1.2738 입니다. AISI P20 과 비교 가능한 steel grade로 플라스틱 금형강용 […]
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