hot rolled steel tube/pipe 1)Outer Diamete:1/2''to16'' 2)Wall thickness:0.6mm-12mm 3)Length:Max.12meters hot rolled steel tube1)OuterDiamete: 1/2" to 10"2)Wallthickness: 0.6mm-12mm3)Length: Max 12 meters4)Sdandard: GB,ANSI,ASME,ASTM,JIS,DIN,BS,EN5)SteelGrade:ASTM A160 GRB/A53 GRB /Q345/Q235/Q1956)Packaging: Plastic Cap,Inbunddle and others7)Applications:Petroleum,power,gas metallurgy,papermaking, ...