L 40x40x3 Arval · Weight & Dimensions

Arval, cold-formed 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 40x40x3 (UK)

The L 40x40x3 steel profile weighs 1.8 kg/m (1.22 lb/ft), has a depth of 40 mm (1.57 in), flange width 40 mm (1.57 in). Cross-sectional area: 225.85 mm². Moment of inertia Ix = 3.524 cm⁴, Iy = 3.524 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	40 mm	1.57 in
Width (b)	40 mm	1.57 in
Thickness (t)	3 mm	0.12 in
Fillet radius (r)	2.5 mm	0.10 in
Weight	1.8 kg/m	1.22 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	225.85 mm²	0.350 in²
Moment of inertia (Ix)	3.52 cm⁴	0.08 in⁴
Moment of inertia (Iy)	3.52 cm⁴	0.08 in⁴
Elastic section modulus (Sx)	1.23 cm³	0.075 in³
Elastic section modulus (Sy)	1.23 cm³	0.075 in³
Plastic section modulus (Zx)	1.85 cm³	0.113 in³
Plastic section modulus (Zy)	1.85 cm³	0.113 in³
Radius of gyration (rx)	1.25 cm	0.492 in
Radius of gyration (ry)	1.25 cm	0.492 in