Steel Section Catalog
ISA 45x30x4
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 45x30x4 (UK)
The ISA 45x30x4 steel profile weighs 2.3 kg/m (1.55 lb/ft), has a depth of 45 mm (1.77 in), flange width 30 mm (1.18 in). Cross-sectional area: 284 mm². Moment of inertia Ix = 5.82 cm⁴, Iy = 2.09 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) | 4 mm | 0.16 in |
| Fillet radius (r) | 7 mm | 0.28 in |
| Weight | 2.3 kg/m | 1.55 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 284 mm² | 0.440 in² |
| Moment of inertia (Ix) | 5.82 cm⁴ | 0.14 in⁴ |
| Moment of inertia (Iy) | 2.09 cm⁴ | 0.05 in⁴ |
| Elastic section modulus (Sx) | 1.94 cm³ | 0.118 in³ |
| Elastic section modulus (Sy) | 0.93 cm³ | 0.057 in³ |
| Plastic section modulus (Zx) | 2.91 cm³ | 0.178 in³ |
| Plastic section modulus (Zy) | 1.39 cm³ | 0.085 in³ |
| Radius of gyration (rx) | 1.43 cm | 0.563 in |
| Radius of gyration (ry) | 0.86 cm | 0.339 in |
Beam Calculator— ISA 45x30x4
3D preview unavailable
Your device does not support WebGL. The 2D diagram below is still fully functional.
mfixed @ 0mfixed @ 6m→kN/m
Results — ISA 45x30x4
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
1449.74 mm
L/4
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
