1.Outer Diameter: 89 - 609 mm 2.Thickness: 5 - 30 mm 3.Material :X42 ,X52,60,X70,20#,10# 4.Standard :API 5L Features of ASTM A106-2006 SEAMLESS CARBON STEEL pipe: Production namesseamless carbon steel pipeOutside diameter1/2”to 3" and 3.1/2" to 24"Wall thicknessSch10-XXSSize21-89mmLength5-14m,R1 R2 R3 Length can be manufactured by the consumer’s requirementsMaterial20# ,10# ,45#,Q345B, X42,X52, ...