L 80x40x7 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 80x40x7 (UK)

The L 80x40x7 steel profile weighs 6.3 kg/m (4.20 lb/ft), has a depth of 80 mm (3.15 in), flange width 40 mm (1.57 in). Cross-sectional area: 791 mm². Moment of inertia Ix = 51.749 cm⁴, Iy = 8.867 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)	7 mm	0.28 in
Weight	6.3 kg/m	4.20 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	791 mm²	1.226 in²
Moment of inertia (Ix)	51.75 cm⁴	1.24 in⁴
Moment of inertia (Iy)	8.87 cm⁴	0.21 in⁴
Elastic section modulus (Sx)	10.22 cm³	0.623 in³
Elastic section modulus (Sy)	2.89 cm³	0.176 in³
Plastic section modulus (Zx)	15.32 cm³	0.935 in³
Plastic section modulus (Zy)	4.34 cm³	0.265 in³
Radius of gyration (rx)	2.56 cm	1.007 in
Radius of gyration (ry)	1.06 cm	0.417 in