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Large Size Square Hollow Section
Large square steel tube with a heavy hollow section, strong bending and torsional performance, and customizable processing for large structural columns and beams.
| 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; oversized side length and heavy-wall custom specifications can be produced |
| Length: | Common 6 m, 9 m, and 12 m; cutting, beveling, and punching available |
| Surface: | Hot-rolled oxide finish; anti-corrosion treatment available |
Product Features
- Large square hollow section is formed from seamless or submerged-arc welded round pipe for balanced strength.
- Heavy wall and large section provide strong load capacity while reducing total structural weight.
- Flat ends support cutting, beveling, welding, drilling, and accurate large-frame assembly.
- Sandblasting, painting, and hot-dip galvanizing support outdoor and heavy structural use.
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; oversized side length and heavy-wall custom specifications can be produced
- Length: Common 6 m, 9 m, and 12 m; cutting, beveling, and punching available
- Surface: Hot-rolled oxide finish; anti-corrosion treatment available
Applications
- Heavy steel-structure columns, equipment bases, and platform beam frames
- Steel gate structures, footbridges, and large curtain-wall load-bearing frames
- Heavy warehouse racks, gantry supports, and conveyor structures
- Large sunrooms, factory fences, and heavy outdoor structural frames
