Detailed Product Description1) Standard: API 5L GR.B, A106, A53, DIN2448, DIN1629, DIN17175, JIS G3444, JIS G34542) Grade: X42, X52, GR.B, ST37, ST44, St45, ST52, S355JR, STPG370, STPG4103) Size: From 1/2" to 60",4) Wall Thickness: 2-30mm5) Length: 4M to 12 MPacking1) Packing in...