PRODUCT 03.02 · SHS
Square tube 25×25 mm — door frames, light columns, partition posts.
25×25 mm square hollow section, wall 1.2–3.0 mm, cut, punched and welded to drawing. The size that appears on almost every door drawing.
Round tube bundles, stacked in the millTianjin mill
The 25×25 SHS is chosen for its corner stiffness and its flat faces. If the member is a column, check the base detail at the same time: a square post on a flat base plate with four bolts behaves very differently from the same post driven into soil.
| Wall | kg/m | 6 m length (kg) | 12 m length (kg) |
|---|---|---|---|
| 1.5 mm | 1.11 | 6.6 | 13.3 |
| 2.0 mm | 1.44 | 8.7 | 17.3 |
| 2.5 mm | 1.77 | 10.6 | 21.2 |
| 3.0 mm | 2.07 | 12.4 | 24.9 |
4 × (side − wall) × wall × 0.00785, nominal before corner-radius correction.
25×25 SHS — order specificationXY-SQ-25
- Section
- 25 × 25 mm
- Wall
- 1.5 / 2.0 / 2.5 / 3.0 mm
- Length
- 6 m / 12 m / cut to order
- Grade
- Q235B · Q355B
- Standard
- EN 10219
- Coating
- Z275 / hot-dip ISO 1461
- Fabrication
- punched / welded / mitred
- Packing
- square bundle
- Typical use
- door frames, light columns, partition posts
- Corner radius
- 1.5–2.5 t
- Cut tolerance
- ±1 mm
- Loading
- 40HQ
Indicative values — the quotation and mill certificate carry the final figures.Rev. 2026-11
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Quote 25×25 SHS for your frame
Send lengths, wall, and whether the pieces are punched or welded. Fabrication is quoted per piece, not per metre.