L 80x40x8 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 80x40x8 (UK)

The L 80x40x8 steel profile weighs 7.1 kg/m (4.75 lb/ft), has a depth of 80 mm (3.15 in), flange width 40 mm (1.57 in). Cross-sectional area: 896 mm². Moment of inertia Ix = 57.968 cm⁴, Iy = 9.84 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	80 mm	3.15 in
Width (b)	40 mm	1.57 in
Thickness (t)	8 mm	0.31 in
Weight	7.1 kg/m	4.75 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	896 mm²	1.389 in²
Moment of inertia (Ix)	57.97 cm⁴	1.39 in⁴
Moment of inertia (Iy)	9.84 cm⁴	0.24 in⁴
Elastic section modulus (Sx)	11.53 cm³	0.703 in³
Elastic section modulus (Sy)	3.25 cm³	0.198 in³
Plastic section modulus (Zx)	17.29 cm³	1.055 in³
Plastic section modulus (Zy)	4.87 cm³	0.297 in³
Radius of gyration (rx)	2.54 cm	1.001 in
Radius of gyration (ry)	1.05 cm	0.413 in