L 120x120x15 British Steel · Weight & Dimensions
British Steel, hot-rolled sections · Angle Section
Angle sections (L shapes) are used for bracing, connections, lintels, and built-up members. Available in equal and unequal leg configurations.
Also known as: RSA 120x120x15 (UK)
The L 120x120x15 steel profile weighs 26.6 kg/m (17.88 lb/ft), has a depth of 120 mm (4.72 in), flange width 120 mm (4.72 in). Cross-sectional area: 3,375 mm². Moment of inertia Ix = 450.478 cm⁴, Iy = 450.478 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 120 mm | 4.72 in |
| Width (b) | 120 mm | 4.72 in |
| Thickness (t) | 15 mm | 0.59 in |
| Weight | 26.6 kg/m | 17.88 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 3,375 mm² | 5.231 in² |
| Moment of inertia (Ix) | 450.48 cm⁴ | 10.82 in⁴ |
| Moment of inertia (Iy) | 450.48 cm⁴ | 10.82 in⁴ |
| Elastic section modulus (Sx) | 53.31 cm³ | 3.253 in³ |
| Elastic section modulus (Sy) | 53.31 cm³ | 3.253 in³ |
| Plastic section modulus (Zx) | 79.97 cm³ | 4.880 in³ |
| Plastic section modulus (Zy) | 79.97 cm³ | 4.880 in³ |
| Radius of gyration (rx) | 3.65 cm | 1.438 in |
| Radius of gyration (ry) | 3.65 cm | 1.438 in |
Beam Calculator— L 120x120x15
drag to orbit
mfixed @ 0mfixed @ 6m→kN/m
Results — L 120x120x15
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
18.73 mm
L/320
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
