Usage: for oil ,gas and water industry. Sizes: OD 6mm-711.2mm Standard: API 5L PSL1/PSL 2 Grade : A,B,X42,X52,X60,etc. Carbon seamless steel pipe:Size: O.D. 6mm - 711mm Thickness: 1mm-28mmMaterial: 10#,20#,45#, Q345B, ASTM A106Grade B,ASTM A53 Grade B, API 5L Grade B, X42, X52, X60, etc.Packing: export standard package.Length: random or fixed length.Sour service: According to NACE MR-0175 or ...