ERW steel tube welded steel tube ERW welded steel tube 1.OD:21.3-1820mm. 2.WT:1.0-120mm. 3.Standard: API 5L,ASTM A53,GB/T3091,GB/T9711 etc. 4.Material:API 5L Gr.B,X42,X46,X52,X56,X60,X65,X70,Q235,Q345,16Mn,L245 etc. 5.Packing:Bundles,nude,or according to customers\' ...
ASTM A500 Square & rectangular steel pipe: Size:20*20mm-600*600mm, W.T.:1-25mm. We supply square and rectangular steel pipes,if you need square or rectangular steel pipes,please contact us freely. ...