Standard:ASTM A106,A53,API 5L GR.B,DIN2448,DIN1629,DIN17175,EN10255,EN10216
Grade:X42,X53,GR.B,ST37,ST44,ST52,S355JR
Size:From 6" to 32"
Wall Thickness: SCH20 to SCH80,XXS(2-60mm)
Length: 4M to 12M