SHS 200×200×6.3
Square hollow sections from Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 200 mm | 7.874 in |
| Width | 200 mm | 7.874 in |
| Thickness, t | 6.3 mm | 0.248031 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 30,100,000 mm⁴ | 72.3155 in⁴ |
| Elastic modulus, Sₓ | 301,000 mm³ | 18.3681 in³ |
| Plastic modulus, Zₓ | 350,000 mm³ | 21.3583 in³ |
| Radius of gyration, rₓ | 78.9 mm | 3.1063 in |
| Distance to top fibre | 100 mm | 3.937 in |
| Distance to bottom fibre | 100 mm | 3.937 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 30,100,000 mm⁴ | 72.3155 in⁴ |
| Elastic modulus, S_y | 301,000 mm³ | 18.3681 in³ |
| Plastic modulus, Z_y | 350,000 mm³ | 21.3583 in³ |
| Radius of gyration, r_y | 78.9 mm | 3.1063 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 46,500,000 mm⁴ | 111.7167 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 38 kg/m | 25.5348 lb/ft |