welded carbon steel pipe 1.outer diamete:1/2''-46'' 2.wall thickness:0..8-4mm 3.length:max:12meters 4.material:Q195/Q235 Sino East Teel Enterprise CO.,LTD Welded Steeel PipeOuter Diamente:1/2'' to 46''Wallthickness:0.8mm-4mmLength:Max,12metersStandard:GB,ANSI,ASME,ASTM,JIS,DIN,BS,ENSteel Grade :ASTM A106 GRB/A53 GRB /Q345/Q235/Q195Packing:Plastic Cap, Inbundle black welded carbon steel pipe