ASTM A53 Grade B, SMLS and Welded Pipe

2023-01-13T13:37:03+09:0010월 28th, 2012|

ASTM A53 Grade B, SMLS and Welded Pipe
STEELMAX Steel Story

 

ASTM A53 은 배관용 탄소강과 또는
압력배관용 탄소강관에