... steel pipe welded pipe seamless steel pipe spiral steel pipe alloy pipe StandardASTM A106 GRB/API5LGRB/ASTMA53GRB DIN ANSI GB SH HG APIMaterialGRB20#STEEL,A3,A234,ASTM,Q235,Q345,10#,45 ... cold drawn,140mm above hot rolled,273mm above hot expandPacking6 steel strip, bundles, Caps, Plastic wrap, loading belt, or as customer ...