Common seamless steel pipe standard

ASTM A53 line pipe is a line pipe that belongs to the American Petroleum Standard.

Structural seamless steel pipe is used for manufacturing pipes, containers, equipment, pipe fittings and mechanical structure seamless steel pipe.

Thick-walled steel pipe, refers to steel pipe with a ratio of the outer diameter of the steel pipe to the wall thickness of less than 20.

American Standard Seamless Steel Pipe Executive Standard

Introduction of seamless steel tube quality inspection