L 45x30x3 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 45x30x3 (UK)

The L 45x30x3 steel profile weighs 1.7 kg/m (1.15 lb/ft), has a depth of 45 mm (1.77 in), flange width 30 mm (1.18 in). Cross-sectional area: 216 mm². Moment of inertia Ix = 4.517 cm⁴, Iy = 1.641 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	45 mm	1.77 in
Width (b)	30 mm	1.18 in
Thickness (t)	3 mm	0.12 in
Weight	1.7 kg/m	1.15 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	216 mm²	0.335 in²
Moment of inertia (Ix)	4.52 cm⁴	0.11 in⁴
Moment of inertia (Iy)	1.64 cm⁴	0.04 in⁴
Elastic section modulus (Sx)	1.49 cm³	0.091 in³
Elastic section modulus (Sy)	0.72 cm³	0.044 in³
Plastic section modulus (Zx)	2.23 cm³	0.136 in³
Plastic section modulus (Zy)	1.08 cm³	0.066 in³
Radius of gyration (rx)	1.45 cm	0.569 in
Radius of gyration (ry)	0.87 cm	0.343 in