Annealing of straight seam steel pipe is to heat the steel pipe to a certain temperature and keep it warm at this temperature and then slowly cool it to room temperature. Annealing includes complete annealing, spheroidizing annealing, and stress relief annealing.1. Heating the steel pipe to a predet
Learn More
Straight-seam steel pipes are now widely used in many fields, such as the transportation of oil and natural gas, as a result of the development and progress of society. The straight-seam steel pipe's port should be a standard circular shape, but it will be affected by some factors and deformed.
Learn More
Steel pipes with equal and unequal side lengths are rolled from strip steel through technological treatment. The strip steel is unpacked, flattened, crimped, welded to form a round tube, and then rolled into a square tube from the round tube and then cut into The length required. The allowable devia
Learn More
Galvanized steel pipe is not only made of iron and steel but also other elements.Steel is an alloy of iron, carbon, and a small number of other elements, which is the main component of galvanized steel pipes, so it must be properly utilized when it is used. Corrosion-resistant alloy steels with a ch
Learn More
TIANJIN YUANTAI DERUN PIPE MANUFACTURING GROUP CO., LTD
