Carbon Steel Seamless pipe ASTM A106 GR B,Carbon steel seamless pipe A106 GR C,Carbon steel seamless pipe API5L GR B,Carbon steel seamless pipe API5L GR X42,Carbon steel seamless pipe API5L GR X46,Carbon steel seamless pipe API5L GR X52,Carbon steel seamless pipe API5L GR X56,Carbon steel seamless pipe API5L GR X60,Carbon steel seamless pipe API5L GR X65,Carbon steel seamless pipe API5L GR X70,Alloy steel seamless pipe ASTM A335 GR P1,Alloy steel seamless pipe ASTM A335 GR P5,Alloy steel seamless pipe ASTM A335 GR P9,Alloy steel seamless pipe ASTM A335 GR P11,Alloy steel seamless pipe ASTM A335 GR P22,Alloy steel seamless pipe ASTM A335 GR P91,Stainless steel seamless pipe ASTM A312 TP304-L-H,Stainless steel seamless pipe ASTM A312 TP316-L-H,Stainless steel seamless pipe ASTM A312 TP321-H,Stainless steel seamless pipe ASTM A312 TP347-H