... : 1.65~60mmLength: Maximum of 11.8m ProductStandardSteel GradeApplicationLine PipeAPI 5L, ASTM A53/A106, DIN1629, JIS G3454, JIS3466A, B, X42 ... , X46, X52, X56, X60, X65, X70, St37,ST52Transmission of the petroleum, natural gas and waterCylinder ... the steel is shaped into a hollow tube. The seamless pipe is then finished to dimensional and wall thickness specifications in ...