S420N and S420NL Welding Carbon Steel Plate

2023-01-12T09:39:13+09:005월 21st, 2014|

S420N and S420NL Welding Carbon Steel Plate
STEELMAX Steel Story

 

S420N and S420NL 은
용접 구조용 강재이면서 해양 구조물강이기도