SAE660, Bearing Bronze 660, CDA 932 steelmax2018-12-31T15:29:28+09:004월 1st, 2018| SAE660, CDA932 동합금 재료의 특징는 좋은 경도 — good hardness 내마모성 — wear resistance 우수한 윤활성질 — excellent anti-friction qualities