... . send inquiry to (shenglin03 at hotmail dot com),Thanks! ERW steel pipe:1.Size:1/2-26inch (diameter) 2.Wall thickness: ... Quality: X42,X52,X60,X70,Q235,Q345,10#,20#,45#,12CrMo,15CrMo,SS304,SS3215.Packaging:Painting,Cap,Bevel(beveled ... shipbuilding,construction,etc Notes:our general supply types is Seamless steel pipe/welded pipe/galvanized steel pipe/ square tube/spiral steel pipe/ERW steel pipe ,etc.