The European standard I-steel is the same as the GB I-steel, and the I-steel is different in size. The main purpose is steel beam.
ASTM A516/A516M Specification for Pressure Vessel Plates, Carbon Steel, for Moderate and Lower Temperature Service.ASTM A516/A516M specification covers carbon steel plates intended primarily for servi...
A steel tube made of a piece of metal, without a joint on the surface, is called a seamless steel tube. Seamless steel pipe is widely used. The general purpose seamless steel pipe is produced by ordin...