... )Grade:Q235B,Q345B... SSAW Steel Pipe:1)Norminal OD:219.1-3048mm2)Thickness:5-20mm3)Standard: API 5L, ASTM, GB/T9711.1 ... -1997, GB/T5037-2001…4)Grade:Q235B,Q345B,X42,X46,X52…Product NameSpiral ... /ASME/JIS/BS/APIGradeQ195,Q234,Q345,A106, A,B,X42,X46,X52,X56,X60,X65,X70,X80Outer Diameter219.1mm-3000mm Thickness5mm ...