2020년 5월 26일

A504-Class C, High Carbon Steel Wheel

A504-Class C, High Carbon Steel Wheel STEELMAX Steel Story   A504-Class C 재질은 기차 바퀴용 고탄소강 (high carbon) 재질입니다. 0.67~0.77% 탄소량으로, 탄소량만으로는 AISI 1070 재질과 비교 […]
A504-Class C, High Carbon Steel Wheel
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