25x25 SHS — Sizes, Dimensions & Properties
3 sizes in the 25x25 serial size group. All dimensions in mm, section properties in cm units.
| Designation | Mass (kg/m) | D (mm) | t (mm) | A (cm2) | I (cm4) | Z (cm3) | S (cm3) | r (cm) |
|---|---|---|---|---|---|---|---|---|
| 25x25x2.0 | 1.41 | 25 | 2 | 1.8 | 1.56 | 1.25 | 1.53 | 0.932 |
| 25x25x2.5 | 1.71 | 25 | 2.5 | 2.18 | 1.81 | 1.44 | 1.82 | 0.909 |
| 25x25x3.0 | 2 | 25 | 3 | 2.54 | 2 | 1.6 | 2.06 | 0.886 |
25x25x2.0 SHS
- Designation
- 25x25x2.0
- Outside Dimension (D)
- 25 mm
- Wall Thickness (t)
- 2 mm
- Mass per Metre
- 1.41 kg/m
- Cross-Sectional Area
- 1.8 cm2
- Second Moment of Area I
- 1.56 cm4
- Elastic Modulus Z
- 1.25 cm3
- Plastic Modulus S
- 1.53 cm3
- Radius of Gyration r
- 0.932 cm
- Torsional Constant (It)
- 2.52 cm4
- Surface Area per Metre
- 0.0948 m2/m
- Surface Area per Tonne
- 67.2 m2/t
25x25x2.5 SHS
- Designation
- 25x25x2.5
- Outside Dimension (D)
- 25 mm
- Wall Thickness (t)
- 2.5 mm
- Mass per Metre
- 1.71 kg/m
- Cross-Sectional Area
- 2.18 cm2
- Second Moment of Area I
- 1.81 cm4
- Elastic Modulus Z
- 1.44 cm3
- Plastic Modulus S
- 1.82 cm3
- Radius of Gyration r
- 0.909 cm
- Torsional Constant (It)
- 2.97 cm4
- Surface Area per Metre
- 0.0936 m2/m
- Surface Area per Tonne
- 54.7 m2/t
25x25x3.0 SHS
- Designation
- 25x25x3.0
- Outside Dimension (D)
- 25 mm
- Wall Thickness (t)
- 3 mm
- Mass per Metre
- 2 kg/m
- Cross-Sectional Area
- 2.54 cm2
- Second Moment of Area I
- 2 cm4
- Elastic Modulus Z
- 1.6 cm3
- Plastic Modulus S
- 2.06 cm3
- Radius of Gyration r
- 0.886 cm
- Torsional Constant (It)
- 3.35 cm4
- Surface Area per Metre
- 0.0923 m2/m
- Surface Area per Tonne
- 46.2 m2/t
25x25 SHS — Overview
The 25x25 serial size group contains 3 sections, ranging from 2 kg/m to 1.41 kg/m. All sections in this group share the same nominal depth and width but differ in web and flange thickness, which affects the weight and structural capacity.
Section properties are sourced from the Tata Steel Blue Book / SCI P363. For structural design to BS EN 1993-1-1 (Eurocode 3), use these properties with the appropriate partial factors from the UK National Annex.
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Section properties from Tata Steel Blue Book / SCI P363 / BS 4-1:2005.