... 1.65~60mmLength: Maximum of 11.8m ProductStandardSteel GradeApplicationLine PipeAPI 5L, ASTM A53/A106, DIN1629, JIS G3454, JIS3466A, B ... 45#, Q345, 20Mn2, 42CrMoUsed for producing mechanical parts and pipe fittingsHydraulic TubeGB1739635#, 45#, 27SiMn, 20CrMo4, 30CrMo4Mining machineryOil Cracking ... steel is shaped into a hollow tube. The seamless pipe is then finished to dimensional and wall thickness ...