HSS 18x10x5/8
Rectangular HSS from AISC Shapes Database v16.0. Also designated HSS457.2X254X15.9.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 457 mm | 18 in |
| Width | 254 mm | 10 in |
| Design wall thickness | 14.8 mm | 0.581 in |
| Nominal wall thickness | 15.9 mm | 0.625 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 533,000,000 mm⁴ | 1,280 in⁴ |
| Elastic modulus, Sₓ | 2,330,000 mm³ | 142 in³ |
| Plastic modulus, Zₓ | 2,880,000 mm³ | 176 in³ |
| Radius of gyration, rₓ | 165 mm | 6.49 in |
| Distance to top fibre | 228.5 mm | 9 in |
| Distance to bottom fibre | 228.5 mm | 9 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 213,000,000 mm⁴ | 511 in⁴ |
| Elastic modulus, S_y | 1,670,000 mm³ | 102 in³ |
| Plastic modulus, Z_y | 1,920,000 mm³ | 117 in³ |
| Radius of gyration, r_y | 104 mm | 4.1 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 495,000,000 mm⁴ | 1,190 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 164 kg/m | 110.36 lb/ft |