L4x3x1/2
Angles from AISC Shapes Database v16.0. Also designated L102X76X12.7.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 76.2 mm | 3 in |
| Width | 102 mm | 4 in |
| Thickness, t | 12.7 mm | 0.5 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 2,090,000 mm⁴ | 5.02 in⁴ |
| Elastic modulus, Sₓ | 30,600 mm³ | 1.87 in³ |
| Plastic modulus, Zₓ | 55,100 mm³ | 3.36 in³ |
| Radius of gyration, rₓ | 31.5 mm | 1.24 in |
| Distance to top fibre | 42.7 mm | 1.68 in |
| Distance to bottom fibre | 33.5 mm | 1.32 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 999,000 mm⁴ | 2.4 in⁴ |
| Elastic modulus, S_y | 18,000 mm³ | 1.1 in³ |
| Plastic modulus, Z_y | 32,600 mm³ | 1.99 in³ |
| Radius of gyration, r_y | 21.8 mm | 0.858 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 117,000 mm⁴ | 0.281 in⁴ |
| Warping constant, C_w | 68,500,000 mm⁶ | 0.255 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 16.4 kg/m | 11.1 lb/ft |