Structural seamless steel pipe (GB/T8162-1999) is a seamless steel pipe used for general structural and mechanical structures. Executive Standard: GB/T8162 - China National Standard ASTM A53 - American Society for Testing and Materials Standard ASME SA53 - US Boiler and Pressure Vessel Code Main Uses: For the manufacture of pipes, containers, equipment, fittings and mechanical structures Steel pipe main steel grade: 10, 20, 35, 45, Q345, 15CrMo, 12Cr1MoV, A53A, A53B, SA53A, SA53B
