50x25 RHS — Sizes, Dimensions & Properties
2 sizes in the 50x25 serial size group. All dimensions in mm, section properties in cm units.
| Designation | Mass (kg/m) | D (mm) | B (mm) | t (mm) | A (cm2) | Ixx (cm4) | Iyy (cm4) |
|---|---|---|---|---|---|---|---|
| 50x25x2.5 | 2.69 | 50 | 25 | 2.5 | 3.43 | 10.4 | 3.39 |
| 50x25x3.0 | 3.17 | 50 | 25 | 3 | 4.04 | 11.9 | 3.83 |
50x25x2.5 RHS
- Designation
- 50x25x2.5
- Outside Depth (D)
- 50 mm
- Outside Width (B)
- 25 mm
- Wall Thickness (t)
- 2.5 mm
- Mass per Metre
- 2.69 kg/m
- Cross-Sectional Area
- 3.43 cm2
- Second Moment of Area Ixx
- 10.4 cm4
- Second Moment of Area Iyy
- 3.39 cm4
- Elastic Modulus Zxx
- 4.16 cm3
- Elastic Modulus Zyy
- 2.71 cm3
- Plastic Modulus Sxx
- 5.33 cm3
- Plastic Modulus Syy
- 3.22 cm3
- Radius of Gyration rxx
- 1.74 cm
- Radius of Gyration ryy
- 0.994 cm
- Torsional Constant (It)
- 8.42 cm4
- Surface Area per Metre
- 0.144 m2/m
- Surface Area per Tonne
- 53.5 m2/t
50x25x3.0 RHS
- Designation
- 50x25x3.0
- Outside Depth (D)
- 50 mm
- Outside Width (B)
- 25 mm
- Wall Thickness (t)
- 3 mm
- Mass per Metre
- 3.17 kg/m
- Cross-Sectional Area
- 4.04 cm2
- Second Moment of Area Ixx
- 11.9 cm4
- Second Moment of Area Iyy
- 3.83 cm4
- Elastic Modulus Zxx
- 4.76 cm3
- Elastic Modulus Zyy
- 3.06 cm3
- Plastic Modulus Sxx
- 6.18 cm3
- Plastic Modulus Syy
- 3.71 cm3
- Radius of Gyration rxx
- 1.72 cm
- Radius of Gyration ryy
- 0.973 cm
- Torsional Constant (It)
- 9.64 cm4
- Surface Area per Metre
- 0.142 m2/m
- Surface Area per Tonne
- 44.8 m2/t
50x25 RHS — Overview
The 50x25 serial size group contains 2 sections, ranging from 3.17 kg/m to 2.69 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.