L 40x20x5 IS · Weight & Dimensions

IS, 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 40x20x5 (UK)

The L 40x20x5 steel profile weighs 2.2 kg/m (1.46 lb/ft), has a depth of 40 mm (1.57 in), flange width 20 mm (0.79 in). Cross-sectional area: 275 mm². Moment of inertia Ix = 4.353 cm⁴, Iy = 0.728 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	40 mm	1.57 in
Width (b)	20 mm	0.79 in
Thickness (t)	5 mm	0.20 in
Weight	2.2 kg/m	1.46 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	275 mm²	0.426 in²
Moment of inertia (Ix)	4.35 cm⁴	0.10 in⁴
Moment of inertia (Iy)	0.73 cm⁴	0.02 in⁴
Elastic section modulus (Sx)	1.76 cm³	0.107 in³
Elastic section modulus (Sy)	0.49 cm³	0.030 in³
Plastic section modulus (Zx)	2.64 cm³	0.161 in³
Plastic section modulus (Zy)	0.74 cm³	0.045 in³
Radius of gyration (rx)	1.26 cm	0.495 in
Radius of gyration (ry)	0.51 cm	0.203 in