90x50 RHS — Sizes, Dimensions & Properties
8 sizes in the 90x50 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) |
|---|---|---|---|---|---|---|---|
| 90x50x3.0 | 6.24 | 90 | 50 | 3 | 7.94 | 84.4 | 33.5 |
| 90x50x3.2 | 6.63 | 90 | 50 | 3.2 | 8.44 | 89.1 | 35.3 |
| 90x50x3.6 | 7.4 | 90 | 50 | 3.6 | 9.42 | 98.3 | 38.7 |
| 90x50x4.0 | 8.15 | 90 | 50 | 4 | 10.4 | 107 | 41.9 |
| 90x50x5.0 | 9.99 | 90 | 50 | 5 | 12.7 | 127 | 49.2 |
| 90x50x6.0 | 11.8 | 90 | 50 | 6 | 15 | 145 | 55.4 |
| 90x50x6.3 | 12.3 | 90 | 50 | 6.3 | 15.6 | 150 | 57 |
| 90x50x8.0 | 15 | 90 | 50 | 8 | 19.2 | 174 | 64.6 |
90x50x3.0 RHS
- Designation
- 90x50x3.0
- Outside Depth (D)
- 90 mm
- Outside Width (B)
- 50 mm
- Wall Thickness (t)
- 3 mm
- Mass per Metre
- 6.24 kg/m
- Cross-Sectional Area
- 7.94 cm2
- Second Moment of Area Ixx
- 84.4 cm4
- Second Moment of Area Iyy
- 33.5 cm4
- Elastic Modulus Zxx
- 18.8 cm3
- Elastic Modulus Zyy
- 13.4 cm3
- Plastic Modulus Sxx
- 23.2 cm3
- Plastic Modulus Syy
- 15.3 cm3
- Radius of Gyration rxx
- 3.26 cm
- Radius of Gyration ryy
- 2.05 cm
- Torsional Constant (It)
- 76.5 cm4
- Surface Area per Metre
- 0.272 m2/m
- Surface Area per Tonne
- 43.6 m2/t
90x50x3.2 RHS
- Designation
- 90x50x3.2
- Outside Depth (D)
- 90 mm
- Outside Width (B)
- 50 mm
- Wall Thickness (t)
- 3.2 mm
- Mass per Metre
- 6.63 kg/m
- Cross-Sectional Area
- 8.44 cm2
- Second Moment of Area Ixx
- 89.1 cm4
- Second Moment of Area Iyy
- 35.3 cm4
- Elastic Modulus Zxx
- 19.8 cm3
- Elastic Modulus Zyy
- 14.1 cm3
- Plastic Modulus Sxx
- 24.6 cm3
- Plastic Modulus Syy
- 16.2 cm3
- Radius of Gyration rxx
- 3.25 cm
- Radius of Gyration ryy
- 2.04 cm
- Torsional Constant (It)
- 80.9 cm4
- Surface Area per Metre
- 0.272 m2/m
- Surface Area per Tonne
- 41 m2/t
90x50x3.6 RHS
- Designation
- 90x50x3.6
- Outside Depth (D)
- 90 mm
- Outside Width (B)
- 50 mm
- Wall Thickness (t)
- 3.6 mm
- Mass per Metre
- 7.4 kg/m
- Cross-Sectional Area
- 9.42 cm2
- Second Moment of Area Ixx
- 98.3 cm4
- Second Moment of Area Iyy
- 38.7 cm4
- Elastic Modulus Zxx
- 21.8 cm3
- Elastic Modulus Zyy
- 15.5 cm3
- Plastic Modulus Sxx
- 27.2 cm3
- Plastic Modulus Syy
- 18 cm3
- Radius of Gyration rxx
- 3.23 cm
- Radius of Gyration ryy
- 2.03 cm
- Torsional Constant (It)
- 89.4 cm4
- Surface Area per Metre
- 0.271 m2/m
- Surface Area per Tonne
- 36.6 m2/t
90x50x4.0 RHS
- Designation
- 90x50x4.0
- Outside Depth (D)
- 90 mm
- Outside Width (B)
- 50 mm
- Wall Thickness (t)
- 4 mm
- Mass per Metre
- 8.15 kg/m
- Cross-Sectional Area
- 10.4 cm2
- Second Moment of Area Ixx
- 107 cm4
- Second Moment of Area Iyy
- 41.9 cm4
- Elastic Modulus Zxx
- 23.8 cm3
- Elastic Modulus Zyy
- 16.8 cm3
- Plastic Modulus Sxx
- 29.8 cm3
- Plastic Modulus Syy
- 19.6 cm3
- Radius of Gyration rxx
- 3.21 cm
- Radius of Gyration ryy
- 2.01 cm
- Torsional Constant (It)
- 97.5 cm4
- Surface Area per Metre
- 0.27 m2/m
- Surface Area per Tonne
- 33.1 m2/t
90x50x5.0 RHS
- Designation
- 90x50x5.0
- Outside Depth (D)
- 90 mm
- Outside Width (B)
- 50 mm
- Wall Thickness (t)
- 5 mm
- Mass per Metre
- 9.99 kg/m
- Cross-Sectional Area
- 12.7 cm2
- Second Moment of Area Ixx
- 127 cm4
- Second Moment of Area Iyy
- 49.2 cm4
- Elastic Modulus Zxx
- 28.3 cm3
- Elastic Modulus Zyy
- 19.7 cm3
- Plastic Modulus Sxx
- 36 cm3
- Plastic Modulus Syy
- 23.5 cm3
- Radius of Gyration rxx
- 3.16 cm
- Radius of Gyration ryy
- 1.97 cm
- Torsional Constant (It)
- 116 cm4
- Surface Area per Metre
- 0.267 m2/m
- Surface Area per Tonne
- 26.7 m2/t
90x50x6.0 RHS
- Designation
- 90x50x6.0
- Outside Depth (D)
- 90 mm
- Outside Width (B)
- 50 mm
- Wall Thickness (t)
- 6 mm
- Mass per Metre
- 11.8 kg/m
- Cross-Sectional Area
- 15 cm2
- Second Moment of Area Ixx
- 145 cm4
- Second Moment of Area Iyy
- 55.4 cm4
- Elastic Modulus Zxx
- 32.2 cm3
- Elastic Modulus Zyy
- 22.1 cm3
- Plastic Modulus Sxx
- 41.6 cm3
- Plastic Modulus Syy
- 27 cm3
- Radius of Gyration rxx
- 3.11 cm
- Radius of Gyration ryy
- 1.92 cm
- Torsional Constant (It)
- 133 cm4
- Surface Area per Metre
- 0.265 m2/m
- Surface Area per Tonne
- 22.5 m2/t
90x50x6.3 RHS
- Designation
- 90x50x6.3
- Outside Depth (D)
- 90 mm
- Outside Width (B)
- 50 mm
- Wall Thickness (t)
- 6.3 mm
- Mass per Metre
- 12.3 kg/m
- Cross-Sectional Area
- 15.6 cm2
- Second Moment of Area Ixx
- 150 cm4
- Second Moment of Area Iyy
- 57 cm4
- Elastic Modulus Zxx
- 33.3 cm3
- Elastic Modulus Zyy
- 22.8 cm3
- Plastic Modulus Sxx
- 43.2 cm3
- Plastic Modulus Syy
- 28 cm3
- Radius of Gyration rxx
- 3.1 cm
- Radius of Gyration ryy
- 1.91 cm
- Torsional Constant (It)
- 138 cm4
- Surface Area per Metre
- 0.264 m2/m
- Surface Area per Tonne
- 21.5 m2/t
90x50x8.0 RHS
- Designation
- 90x50x8.0
- Outside Depth (D)
- 90 mm
- Outside Width (B)
- 50 mm
- Wall Thickness (t)
- 8 mm
- Mass per Metre
- 15 kg/m
- Cross-Sectional Area
- 19.2 cm2
- Second Moment of Area Ixx
- 174 cm4
- Second Moment of Area Iyy
- 64.6 cm4
- Elastic Modulus Zxx
- 38.6 cm3
- Elastic Modulus Zyy
- 25.8 cm3
- Plastic Modulus Sxx
- 51.4 cm3
- Plastic Modulus Syy
- 32.9 cm3
- Radius of Gyration rxx
- 3.01 cm
- Radius of Gyration ryy
- 1.84 cm
- Torsional Constant (It)
- 160 cm4
- Surface Area per Metre
- 0.259 m2/m
- Surface Area per Tonne
- 17.3 m2/t
90x50 RHS — Overview
The 90x50 serial size group contains 8 sections, ranging from 15 kg/m to 6.24 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.