Steel Section Catalog
ISA 40x25x4
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 40x25x4 (UK)
The ISA 40x25x4 steel profile weighs 2.0 kg/m (1.32 lb/ft), has a depth of 40 mm (1.57 in), flange width 25 mm (0.98 in). Cross-sectional area: 244 mm². Moment of inertia Ix = 3.93 cm⁴, Iy = 1.19 cm⁴.
Cross-section (not to scale)
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth (h) | 40 mm | 1.57 in |
| Width (b) | 25 mm | 0.98 in |
| Thickness (t) | 4 mm | 0.16 in |
| Fillet radius (r) | 6 mm | 0.24 in |
| Weight | 2.0 kg/m | 1.32 lb/ft |
Section Properties
| Property | Metric | Imperial |
|---|---|---|
| Area (A) | 244 mm² | 0.378 in² |
| Moment of inertia (Ix) | 3.93 cm⁴ | 0.09 in⁴ |
| Moment of inertia (Iy) | 1.19 cm⁴ | 0.03 in⁴ |
| Elastic section modulus (Sx) | 1.5 cm³ | 0.092 in³ |
| Elastic section modulus (Sy) | 0.64 cm³ | 0.039 in³ |
| Plastic section modulus (Zx) | 2.25 cm³ | 0.137 in³ |
| Plastic section modulus (Zy) | 0.96 cm³ | 0.059 in³ |
| Radius of gyration (rx) | 1.27 cm | 0.500 in |
| Radius of gyration (ry) | 0.7 cm | 0.276 in |
Beam Calculator— ISA 40x25x4
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mfixed @ 0mfixed @ 6m→kN/m
Results — ISA 40x25x4
Mmax
15.0 kN·m
Vmax
15.0 kN
δmax
2146.95 mm
L/3
R115.0 kN| 15.0 kN·mR215.0 kN| -15.0 kN·m
Standard:
