Product catalogue

WELDED SQUARE AND RECTANGULAR STEEL TUBE

Factory-direct steel products covering 2,800+ specifications -- square & rectangular tubes, round pipes, plates, coils, section steel and custom fabrication.

Items in category
96
Total specs
2,800+

Browse catalogue

WELDED SQUARE AND RECTANGULAR STEEL TUBE

Loading products...

Showing 1-12 of 96 products

96 products available

  • Q235B Q345B DIN Standard Welded Steel Pipe Factory Direct Supplier
    WELDED SQUARE AND RECTANGULAR STEEL TUBE

    Q235B Q345B DIN Standard Welded Steel Pipe Factory Direct Supplier

    Q235B Q345B DIN Standard Welded Steel Pipe, outer diameter customized, wall thickness customized, length 6m/9m/12m — hot rolled and cold drawn processes...

  • SKIP: no steel identifier
    WELDED SQUARE AND RECTANGULAR STEEL TUBE

    SKIP: no steel identifier

    SKIP: no steel identifier

  • Q235 Q345 S355JR ERW Welded Square Steel Tube Factory Direct Supplier
    WELDED SQUARE AND RECTANGULAR STEEL TUBE

    Q235 Q345 S355JR ERW Welded Square Steel Tube Factory Direct Supplier

    Q235 Q345 S355JR ERW Welded Square Steel Tube, ASTM, wall thickness 0.9–40 mm, lengths 6 m / 12 m — ERW welding...

  • C350 AS 1163 SHS Square Tube 65x65x2.5mm ERW Supplier
    WELDED SQUARE AND RECTANGULAR STEEL TUBE

    C350 AS 1163 SHS Square Tube 65x65x2.5mm ERW Supplier

    C350 AS 1163 SHS Square Tube, 65×65×2.5 mm, ERW welded — hot-rolled finish with ±1% dimensional tolerance ensures precise fit for structural...

  • Q235B ERW Square Steel Tube 40×80 Hot Rolled Black Factory Direct
    WELDED SQUARE AND RECTANGULAR STEEL TUBE

    Q235B ERW Square Steel Tube 40×80 Hot Rolled Black Factory Direct

    Q235B ERW Square Steel Tube, 40×80 mm, hot rolled black finish, lengths 6–12 m — ERW welding ensures uniform mechanical properties across...

  • Q235 Q345 ERW Welded Square Steel Tube 10×10-600mm Factory Direct Supplier
    WELDED SQUARE AND RECTANGULAR STEEL TUBE

    Q235 Q345 ERW Welded Square Steel Tube 10×10-600mm Factory Direct Supplier

    Q235 Q345 ERW Welded Square Steel Tube, 10×10–600×600 mm, wall thickness 0.8–30 mm — ERW welding with in-house lab inspection ensures weld...

  • S235 S355 Welded Square Steel Tube 10×10-600x600mm Factory Supplier
    WELDED SQUARE AND RECTANGULAR STEEL TUBE

    S235 S355 Welded Square Steel Tube 10×10-600x600mm Factory Supplier

    S235 S355 Welded Square Steel Tube, 10×10–600×600 mm, wall thickness 0.8–30 mm — ERW process ensures consistent seam quality and ±1% dimensional...

  • ASTM A500 Welded Square Steel Tube Q235 S355 10-600mm Factory Direct
    WELDED SQUARE AND RECTANGULAR STEEL TUBE

    ASTM A500 Welded Square Steel Tube Q235 S355 10-600mm Factory Direct

    Q235 Q345 S355 ASTM A500 Welded Square Steel Tube, 10×10–600×600 mm, wall thickness 0.8–30 mm — ERW process with ±1% tolerance ensures...

  • Q235 Q345 Welded Square Steel Tube 10-600mm EN Standard Factory Direct Supplier
    WELDED SQUARE AND RECTANGULAR STEEL TUBE

    Q235 Q345 Welded Square Steel Tube 10-600mm EN Standard Factory Direct Supplier

    Q235 Q345 Welded Square Steel Tube, EN Standard, 10×10–600×600 mm, 0.8–30 mm WT — ERW welded process with ±1% tolerance ensures precision...

  • Q345B ERW Welded Square Steel Tube 110x110mm Cold Rolled Factory Supplier
    WELDED SQUARE AND RECTANGULAR STEEL TUBE

    Q345B ERW Welded Square Steel Tube 110x110mm Cold Rolled Factory Supplier

    Q345B ERW Welded Square Steel Tube, 110×110mm, cold rolled finish, ±1% tolerance — high-frequency electric resistance welding delivers uniform seams ideal for...

  • S235JR ERW Welded Carbon Steel Square Tube CE Certified Factory Direct Supplier
    WELDED SQUARE AND RECTANGULAR STEEL TUBE

    S235JR ERW Welded Carbon Steel Square Tube CE Certified Factory Direct Supplier

    S235JR ERW Welded Carbon Steel Square Tube, cold rolled finish, ±1% tolerance — high-frequency ERW welding ensures uniform seam strength, ideal for...

  • S355JR Q235B ERW Welded Square Steel Tube 40x40x3mm Factory Direct
    WELDED SQUARE AND RECTANGULAR STEEL TUBE

    S355JR Q235B ERW Welded Square Steel Tube 40x40x3mm Factory Direct

    S355JR / Q235B ERW Welded Square Steel Tube, 40×40 mm, 3 mm wall thickness — available in S235JR, A36, SS400 grades per...

Request a quotation

Send your specification list --
reply within one working day

  • 2,800+ specifications in stock
  • ISO 9001 · EU CE · SGS · BV
  • Cutting, packing & door-to-door
  • Export to 50+ countries

Start your inquiry