1.Name:Round Spiral Steel Pipe 2.Material:Q195~Q215,API5L Grade B ... WT:8~30mm 5.Application:Fluid Pipe Product Name Round Spiral Steel Pipe Standard API5L,GB/T9711.1-1997 ... 200000 tonsHebei Jushun Steel Pipe Co.,Ltd, our company can produce SSAW,ERW,Seamless steel pipe,materials:Q235,Q345(16Mn ... ),10#20#45#,L245,L290,L360,X42,X52,X70,X80and other steel Pipe ...