ISA 45x30x5 · Weight & Dimensions

IS — 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: ISA 45x30x5 (UK)

The ISA 45x30x5 steel profile weighs 2.8 kg/m (1.90 lb/ft), has a depth of 45 mm (1.77 in), flange width 30 mm (1.18 in). Cross-sectional area: 350 mm². Moment of inertia Ix = 7.04 cm⁴, Iy = 2.51 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)	5 mm	0.20 in
Fillet radius (r)	7 mm	0.28 in
Weight	2.8 kg/m	1.90 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	350 mm²	0.542 in²
Moment of inertia (Ix)	7.04 cm⁴	0.17 in⁴
Moment of inertia (Iy)	2.51 cm⁴	0.06 in⁴
Elastic section modulus (Sx)	2.37 cm³	0.145 in³
Elastic section modulus (Sy)	1.13 cm³	0.069 in³
Plastic section modulus (Zx)	3.56 cm³	0.217 in³
Plastic section modulus (Zy)	1.7 cm³	0.104 in³
Radius of gyration (rx)	1.42 cm	0.559 in
Radius of gyration (ry)	0.85 cm	0.335 in