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Large Diameter Rectangular Steel Tube
Large rectangular steel tube with a high-strength hollow section, strong bending capacity, and customizable anti-corrosion processing for heavy structural projects.
| Material: | Q235B/Q235C/Q355B/Q355C/Q355ND; ASTM A36/A572 Gr50; EN S235/S355 series; JIS SS400/SM490; Russian St and 09G2S grades; stainless steel available |
| Dimensions: | Large-size stock available; extra-wide and heavy-wall non-standard rectangular tubes can be customized |
| Length: | Common 6 m, 9 m, and 12 m; beveling, cutting, and punching available |
| Surface: | Hot-rolled oxide finish; anti-rust and anti-corrosion treatment available |
Product Features
- Large-section high-frequency cold-bent welded forming provides strong bending and torsional capacity.
- Straight corners and firm welds support cutting, drilling, welding, and large-frame assembly.
- Hollow lightweight design reduces structural weight while maintaining high load capacity.
- Sandblasting, painting, and hot-dip galvanizing can be supplied for indoor and outdoor heavy-duty projects.
Common Specifications
- Material: Q235B/Q235C/Q355B/Q355C/Q355ND; ASTM A36/A572 Gr50; EN S235/S355 series; JIS SS400/SM490; Russian St and 09G2S grades; stainless steel available
- Dimensions: Large-size stock available; extra-wide and heavy-wall non-standard rectangular tubes can be customized
- Length: Common 6 m, 9 m, and 12 m; beveling, cutting, and punching available
- Surface: Hot-rolled oxide finish; anti-rust and anti-corrosion treatment available
Applications
- Heavy steel structures, factory load-bearing columns, equipment bases, and platform beams
- Footbridges, pipe-gallery supports, and large curtain-wall load-bearing framing
- Heavy warehouse racks, gantry frames, and conveyor support skeletons
- Large sunrooms, steel gates, and heavy outdoor guardrails
Rectangular Steel TubeSteel Pipes






