Steel Section Catalog
ISA 45x30x5
IS — 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: ISA 45x30x5 (UK)
The ISA 45x30x5 steel profile weighs 2.8 kg/m (1.90 lb/ft), has a depth of 45 mm (1.77 in), flange width 30 mm (1.18 in). Cross-sectional area: 350 mm². Moment of inertia Ix = 7.04 cm⁴, Iy = 2.51 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 45 mm | 1.77 in |
| Width (b) | 30 mm | 1.18 in |
| Thickness (t) | 5 mm | 0.20 in |
| Fillet radius (r) | 7 mm | 0.28 in |
| Weight | 2.8 kg/m | 1.90 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 350 mm² | 0.542 in² |
| Moment of inertia (Ix) | 7.04 cm⁴ | 0.17 in⁴ |
| Moment of inertia (Iy) | 2.51 cm⁴ | 0.06 in⁴ |
| Elastic section modulus (Sx) | 2.37 cm³ | 0.145 in³ |
| Elastic section modulus (Sy) | 1.13 cm³ | 0.069 in³ |
| Plastic section modulus (Zx) | 3.56 cm³ | 0.217 in³ |
| Plastic section modulus (Zy) | 1.7 cm³ | 0.104 in³ |
| Radius of gyration (rx) | 1.42 cm | 0.559 in |
| Radius of gyration (ry) | 0.85 cm | 0.335 in |
Beam Calculator— ISA 45x30x5
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mfixed @ 0mfixed @ 6m→kN/m
Results — ISA 45x30x5
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
1198.51 mm
L/5
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
