ERW mild steel/Hot rolled black welded square structural hollow section shape steel pipe/tube

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ERW mild steel/Hot rolled black welded square structural hollow section shape steel pipe/tube

Product name:ERW mild steel/Hot rolled black welded square structural hollow section shape steel pipe/tube

Keywords:square tubing

Standards: GB/ASTM/SS400/ST52

Material: Q195

Diameter: 10x10mm-200x200mm

Thickness: 0.6-20mm

Length: 5.8/6m or as customer require

Type: Rectangular

Technology: Hot rolled

Surface treatment: Black

Application: construction/welding /green house or water system

Container type: 20gp/gh or 40gp/gh

Loading capability: 25-27ton each container

Package type: Plastic caps on both ends, Steel bundle, Woven bag or acc. to customers' request

Payment terms: 30%TT advanced and balanced pay before loading

Factory production ability: 10000ton monthly

Delivery time: within 15-20days

Loading port: TIANJIN port

square tubing

The square tubing is a kind of hollow square light-section thin-walled steel tube, also known as steel refrigerated curved section. It is made of Q235 hot-rolled or cold-rolled strip steel or coiled plate as the base material, which is formed by cold bending and then high-frequency welding. Except for wall thickness thickening of hot-rolled extra-thick wall square pipes, the corner dimensions and edge flatness have reached or even exceeded the level of resistance welded cold-formed square pipes. Good comprehensive mechanical properties, good weldability, cold, hot workability, and corrosion resistance, with good low-temperature toughness.

Application of square tubing

Square tubingare used in construction, machinery manufacturing, steel construction, and other projects, shipbuilding, solar power generation support, steel structure engineering, power engineering, power plants, agricultural and chemical machinery, glass curtain walls, automobile chassis, airports, boiler construction, highway railings, Building construction, pressure vessels, oil storage tanks, bridges, power station equipment, lifting, and transportation machinery and other welded structural parts with higher loads.

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