20 01, 2021 S690Q, 100 ksi minimum QT Steel Plate S690Q, 100 ksi minimum QT Steel Plate steelmax2022-11-29T20:20:54+09:001월 20th, 2021| S690Q, 100 ksi minimum QT Steel Plate STEELMAX Steel Story S690Q 강재는 항복강도 최소 690MPa (100 ksi) 글 내용 전체보기