L4x3x1/4
Angles from AISC Shapes Database v16.0. Also designated L102X76X6.4.
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 | 6.35 mm | 0.25 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1,140,000 mm⁴ | 2.75 in⁴ |
| Elastic modulus, Sₓ | 16,200 mm³ | 0.988 in³ |
| Plastic modulus, Zₓ | 29,000 mm³ | 1.77 in³ |
| Radius of gyration, rₓ | 32.3 mm | 1.27 in |
| Distance to top fibre | 45.2 mm | 1.78 in |
| Distance to bottom fibre | 31 mm | 1.22 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 554,000 mm⁴ | 1.33 in⁴ |
| Elastic modulus, S_y | 9,590 mm³ | 0.585 in³ |
| Plastic modulus, Z_y | 16,900 mm³ | 1.03 in³ |
| Radius of gyration, r_y | 22.5 mm | 0.887 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 16,100 mm⁴ | 0.0386 in⁴ |
| Warping constant, C_w | 9,560,000 mm⁶ | 0.0356 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 8.6 kg/m | 5.8 lb/ft |