JIS G 3201, SF590A Forged Carbon Steel
JIS G 3201, SF590A Forged Carbon Steel
STEELMAX Steel Story
JIS G 3201 SF590A 강재는 고강도 탄소강
3
12, 2020
28
01, 2020
SF640B, Carbon Steel Forging for General Use
SF640B, Carbon Steel Forging for General Use
STEELMAX Steel Story
SF640B 은, 탄소강 재질의 단조강재로 인장강도 640~780
14
10, 2017
SF440A, SF45, Normalizing Forged Steel KS D 3710
SF440A, SF45, Normalizing Forged Steel KS D 3710
STEELMAX Steel Story
SF440A 는, 탄소강 단조강재 Steel Symbol