2017년 4월 28일

KP4M, TP4M, Improved SNCM, Prehardened Steel

KP4M, TP4M, Improved SNCM, Prehardened Steel STEELMAX Steel Story   KP4M, TP4M Steel은 KS, JIS 규격이 아닌 제조사 Steel Symbol입니다. KS, JIS의 SNCM 강재 물성으로는 부족한 […]
KP4M, TP4M, Improved SNCM, Prehardened Steel
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