T22 Medium And Thick Wall Seamless Steel Pipe 

Seamless steel pipe is made of whole round steel perforated, and there is no weld on the surface of the steel pipe, which is called seamless steel pipe. According to the production method, seamless steel pipe can be divided into hot-rolled seamless steel pipe, cold-rolled seamless steel pipe, cold-drawn seamless steel pipe, extruded seamless steel pipe, jacking pipe, etc. According to the cross-sectional shape, seamless steel pipe is divided into two types: round and special-shaped, and special-shaped tubes have square, oval, triangle, hexagonal, melon-seed-shaped, star-shaped, and finned tube in a variety of complex shapes. The maximum diameter is 900mm, and the minimum diameter is 4mm. According to different uses, there are thick-walled seamless steel pipes and thin-walled seamless steel pipes. Seamless steel pipes are mainly used as petroleum geological drilling pipes, cracking pipes for petrochemical industry, furnace pipes, bearing pipes and high-precision structural steel pipes…