Product catalogue
Factory-direct steel products covering 2,800+ specifications -- square & rectangular tubes, round pipes, plates, coils, section steel and custom fabrication.
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WELDED SQUARE AND RECTANGULAR STEEL TUBE
Q235B Q345B DIN Standard Welded Steel Pipe, outer diameter customized, wall thickness customized, length 6m/9m/12m — hot rolled and cold drawn processes...
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SKIP: no steel identifier
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Q235 Q345 S355JR ERW Welded Square Steel Tube, ASTM, wall thickness 0.9–40 mm, lengths 6 m / 12 m — ERW welding...
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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...
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Q235B ERW Square Steel Tube, 40×80 mm, hot rolled black finish, lengths 6–12 m — ERW welding ensures uniform mechanical properties across...
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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...
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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...
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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...
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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...
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Q345B ERW Welded Square Steel Tube, 110×110mm, cold rolled finish, ±1% tolerance — high-frequency electric resistance welding delivers uniform seams ideal for...
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S235JR ERW Welded Carbon Steel Square Tube, cold rolled finish, ±1% tolerance — high-frequency ERW welding ensures uniform seam strength, ideal for...
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S355JR / Q235B ERW Welded Square Steel Tube, 40×40 mm, 3 mm wall thickness — available in S235JR, A36, SS400 grades per...
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