AISI 4130, SAE 4130 Steel Ingot, Low Alloy Steel
AISI 4130, SAE 4130 Steel Ingot, Low Alloy Steel
STEELMAX Steel Story
AISI는 미국철강협회입니다.
ASTM, API, ASME, SAE와
30
01, 2015
29
01, 2015
SUS416 Free Cutting Martensite Stainless
SUS416 Free Cutting Martensite Stainless
STEELMAX Steel Story
SUS416 과 같은 쾌삭강 (Free Cutting steel)을 KS 와