L 40x25x3 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 40x25x3 (UK)

The L 40x25x3 steel profile weighs 1.5 kg/m (0.99 lb/ft), has a depth of 40 mm (1.57 in), flange width 25 mm (0.98 in). Cross-sectional area: 186 mm². Moment of inertia Ix = 3.062 cm⁴, Iy = 0.941 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)	3 mm	0.12 in
Weight	1.5 kg/m	0.99 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	186 mm²	0.288 in²
Moment of inertia (Ix)	3.06 cm⁴	0.07 in⁴
Moment of inertia (Iy)	0.94 cm⁴	0.02 in⁴
Elastic section modulus (Sx)	1.15 cm³	0.070 in³
Elastic section modulus (Sy)	0.49 cm³	0.030 in³
Plastic section modulus (Zx)	1.73 cm³	0.106 in³
Plastic section modulus (Zy)	0.74 cm³	0.045 in³
Radius of gyration (rx)	1.28 cm	0.505 in
Radius of gyration (ry)	0.71 cm	0.280 in