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  • Erw Mild Steel - China

    price: contact company for price

    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 tubing are 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.


    Company Contact:


    • Phone: +863153430717

    • Address: East of Shaliuhe Village, Shaliuhe Town, Tangshan , Hebei , China

    • Email: Email


    Published date: June 1, 2020

    • Business Description: HGB Industrial-Shuixin Steelrolling is professional manufacturer of hot rolled steel strip coil, mild steel tube, galvanized strip coil

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