What is a stainless steel square tube

What is a stainless steel square tube?

Stainless steel square tube is a kind of hollow long steel. Because the section is square, it is called square tube. A large number of pipelines are used to transport fluids, such as oil, natural gas, water, gas, steam, etc. in addition, when the bending and torsional strength are the same, the weight is relatively light, so they are also widely used in the manufacture of mechanical parts and engineering structures.

20210725024317 98402 - What is a stainless steel square tube

Classification of stainless steel square tubes

Stainless steel square pipe is divided into seamless steel pipe and welded steel pipe (slotted pipe). According to the section shape, it can be divided into square and rectangular pipes. Circular steel pipes are widely used, but there are also some special-shaped steel pipes such as semicircular, hexagonal, equilateral triangle and octagonal.
For the stainless steel square pipe bearing fluid pressure, hydraulic test shall be carried out to check its pressure resistance and quality. It is qualified if there is no leakage, wetting or expansion under the specified pressure. Some steel pipes shall also be subject to crimping test, flaring test, flattening test, etc. according to the standard or the requirements of the demander.
Specification of square tube: 5 * 5 ~ 150 * 150 mm thickness: 0.4 ~ 6.0 mm.
Square tube material: 304, 304L, TP304, TP316L, 316, 316L, 316Ti, 321, 347h, 310S.

Production technology of stainless steel square tube

  • Round steel preparation → heating → hot rolling perforation → head cutting → pickling → grinding → lubrication → cold rolling → degreasing → solution heat treatment → straightening → pipe cutting → pickling → finished product inspection.

Application of stainless steel square tube
Stainless steel square tubes are widely used in construction, machinery manufacturing, steel construction and other projects, in shipbuilding, solar power generation support, steel structure engineering, power engineering, power plant, agricultural and chemical machinery, glass curtain wall, automobile chassis, airport, boiler construction, highway railing, house construction, pressure vessel, oil storage tank, bridge, power plant equipment, Hoisting and transportation machinery and other welded structural parts with high load are also widely used.

Source: China Stainless Steel Square Tube Manufacturer – Yaang Pipe Industry Co., Limited (www.steeljrv.com)

(Yaang Pipe Industry is a leading manufacturer and supplier of nickel alloy and stainless steel products, including Super Duplex Stainless Steel Flanges, Stainless Steel Flanges, Stainless Steel Pipe Fittings, Stainless Steel Pipe. Yaang products are widely used in Shipbuilding, Nuclear power, Marine engineering, Petroleum, Chemical, Mining, Sewage treatment, Natural gas and Pressure vessels and other industries.)

If you want to have more information about the article or you want to share your opinion with us, contact us at sales@steeljrv.com

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