L 80x40x5 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 80x40x5 (UK)

The L 80x40x5 steel profile weighs 4.5 kg/m (3.06 lb/ft), has a depth of 80 mm (3.15 in), flange width 40 mm (1.57 in). Cross-sectional area: 575 mm². Moment of inertia Ix = 38.489 cm⁴, Iy = 6.739 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)	5 mm	0.20 in
Weight	4.5 kg/m	3.06 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	575 mm²	0.891 in²
Moment of inertia (Ix)	38.49 cm⁴	0.92 in⁴
Moment of inertia (Iy)	6.74 cm⁴	0.16 in⁴
Elastic section modulus (Sx)	7.49 cm³	0.457 in³
Elastic section modulus (Sy)	2.15 cm³	0.131 in³
Plastic section modulus (Zx)	11.23 cm³	0.685 in³
Plastic section modulus (Zy)	3.22 cm³	0.196 in³
Radius of gyration (rx)	2.59 cm	1.019 in
Radius of gyration (ry)	1.08 cm	0.426 in