L 50x30x4 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 50x30x4 (UK)

The L 50x30x4 steel profile weighs 2.4 kg/m (1.62 lb/ft), has a depth of 50 mm (1.97 in), flange width 30 mm (1.18 in). Cross-sectional area: 304 mm². Moment of inertia Ix = 7.8 cm⁴, Iy = 2.152 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	50 mm	1.97 in
Width (b)	30 mm	1.18 in
Thickness (t)	4 mm	0.16 in
Weight	2.4 kg/m	1.62 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	304 mm²	0.471 in²
Moment of inertia (Ix)	7.8 cm⁴	0.19 in⁴
Moment of inertia (Iy)	2.15 cm⁴	0.05 in⁴
Elastic section modulus (Sx)	2.37 cm³	0.145 in³
Elastic section modulus (Sy)	0.94 cm³	0.057 in³
Plastic section modulus (Zx)	3.56 cm³	0.217 in³
Plastic section modulus (Zy)	1.41 cm³	0.086 in³
Radius of gyration (rx)	1.6 cm	0.631 in
Radius of gyration (ry)	0.84 cm	0.331 in