Construction

DIN 1629 structural seamless pipe is a seamless steel pipe produced in accordance with German industrial standards. It is mainly used to manufacture pipelines, containers, equipment, pipe fittings and steel structures.

ASTM A213 T11 is the part of ASTM A213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, Heat-Exchanger Tubes.

The manufacturing process of STPT 370 seamless steel pipe usually includes hot rolling or cold rolling. This kind of steel pipe has high strength, high pressure resistance and good corrosion resistance, so it is widely used in fields such as petroleum, chemical industry, electric power and construction.

Square tube is formed from coil and then ran through a series of dies. It’s welded from the inside to form its shape. Square tubes are generally used for maintenance and structural purposes.