Steel Section Catalog
L 45x45x5
EN — 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 45x45x5 (UK)
The L 45x45x5 steel profile weighs 3.4 kg/m (2.27 lb/ft), has a depth of 45 mm (1.77 in), flange width 45 mm (1.77 in). Cross-sectional area: 425 mm². Moment of inertia Ix = 8.07 cm⁴, Iy = 8.07 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 45 mm | 1.77 in |
| Width (b) | 45 mm | 1.77 in |
| Thickness (t) | 5 mm | 0.20 in |
| Fillet radius (r) | 7 mm | 0.28 in |
| Weight | 3.4 kg/m | 2.27 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 425 mm² | 0.659 in² |
| Moment of inertia (Ix) | 8.07 cm⁴ | 0.19 in⁴ |
| Moment of inertia (Iy) | 8.07 cm⁴ | 0.19 in⁴ |
| Elastic section modulus (Sx) | 2.53 cm³ | 0.154 in³ |
| Elastic section modulus (Sy) | 2.53 cm³ | 0.154 in³ |
| Plastic section modulus (Zx) | 3.8 cm³ | 0.232 in³ |
| Plastic section modulus (Zy) | 3.8 cm³ | 0.232 in³ |
| Radius of gyration (rx) | 1.38 cm | 0.543 in |
| Radius of gyration (ry) | 1.38 cm | 0.543 in |
Beam Calculator— L 45x45x5
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mfixed @ 0mfixed @ 6m→kN/m
Results — L 45x45x5
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
1045.54 mm
L/6
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
