1.Type:Welded
2.Size:20*20-400*400mm
3.Wall Thickness:0.5-12.0mm
4.Application:Structure pipe
5.Length:2-12m
6.Standard:BS1387,BS EN10217;JIS G3461-2005,JIS G3463-2006;GB5310-1995,
                   GB/T8163-1999,GB/T3091-2001;ASTM A106-2006,ASTM A53-2007;
                   API 5L
7.Material:Q195,Q215,Q235,Q345;10#,20#,45#;A53(A,B),A250;16Mn