L7x4x3/4
Angles from AISC Shapes Database v16.0. Also designated L178X102X19.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 102 mm | 4 in |
| Width | 178 mm | 7 in |
| Thickness, t | 19.1 mm | 0.75 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 15,700,000 mm⁴ | 37.8 in⁴ |
| Elastic modulus, Sₓ | 137,000 mm³ | 8.39 in³ |
| Plastic modulus, Zₓ | 243,000 mm³ | 14.8 in³ |
| Radius of gyration, rₓ | 56.1 mm | 2.21 in |
| Distance to top fibre | 38.5 mm | 1.5 in |
| Distance to bottom fibre | 63.5 mm | 2.5 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 3,750,000 mm⁴ | 9 in⁴ |
| Elastic modulus, S_y | 49,300 mm³ | 3.01 in³ |
| Plastic modulus, Z_y | 91,800 mm³ | 5.6 in³ |
| Radius of gyration, r_y | 27.4 mm | 1.08 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 612,000 mm⁴ | 1.47 in⁴ |
| Warping constant, C_w | 1.07000e+9 mm⁶ | 3.97 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 38.8 kg/m | 26.2 lb/ft |