Square&rectangular steel tube,It is widely used in machinery manufacturing, construction industry, metallurgical industry, agricultural vehicles, agricultural greenhouses, automobile industry, railway, highway guardrails, container skeleton, furniture, decoration and steel structure.

ERW high-frequency welded pipe is produced by heating and melting the edge of the pipe blank by using the skin effect and proximity effect of high-frequency current after the hot-rolled coil is formed by the forming machine, and pressure welding is carried out under the action of extrusion roller.

LSAW steel pipe (abbreviated as LSAW) is a technical term for Longitudinal Submerged Arc welded pipe. LSAW steel pipe is produced by using single medium plate as raw material, pressing (rolling) steel plate into tube blank in die or forming machine, adopting double-side submerged arc welding and expanding. 

seamless steel pipe has a hollow section, a large number of pipes used for conveying fluid, such as oil, natural gas, gas, water and some solid materials, such as pipes.

Hot dip galvanized steel pipes are widely used in construction, machinery, coal mining, chemical industry, electric power, railway vehicles, automobile industry, highways, bridges, containers, sports facilities, agricultural machinery, petroleum machinery, exploration machinery and other manufacturing industries.

For liquid transportation: water supply and drainage. For gas transmission: gas, steam and liquefied petroleum gas. For structure: as pile driving pipe and bridge; Pipes for wharf, road, building structure, etc.

Special shaped seamless steel pipe is the general name of seamless steel pipe with other section shapes except circular pipe. According to the different shape and size of steel pipe section, it can be divided into equal wall thickness special-shaped seamless steel pipe (code D), unequal wall thickness special-shaped seamless steel pipe (code BD) and variable diameter special-shaped seamless steel pipe (code BJ).

Special pipes for petroleum. It refers to a kind of steel pipe specially used for oil and gas exploitation. Most of them are seamless pipes, but welded pipes also account for a considerable proportion.

Stainless steel pipe is a kind of hollow long cylindrical steel. Its scope of application is used as pipeline for conveying fluid. It is mainly used in industrial transmission pipelines and mechanical structural components such as petroleum, chemical industry, medical treatment, food, light industry, machinery and instruments, etc. Stainless steel pipes are made of steel billets of acid and heat resistant grades through heating, perforation, sizing, hot rolling and cutting.

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