U 120x50x2 IAS · Weight & Dimensions

IAS, cold-formed sections · Cold-formed Channel

Cold-formed channels (U shapes) are similar to C shapes but without stiffening lips. Used for light structural framing, supports, and secondary members.

Also known as: U 120x50x2 (UK / Australia)

The U 120x50x2 steel profile weighs 3.4 kg/m (2.25 lb/ft), has a depth of 120 mm (4.72 in), flange width 50 mm (1.97 in). Cross-sectional area: 426.842 mm². Moment of inertia Ix = 93.792 cm⁴, Iy = 10.286 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	120 mm	4.72 in
Width (b)	50 mm	1.97 in
Thickness (t)	2 mm	0.08 in
Weight	3.4 kg/m	2.25 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	426.84 mm²	0.662 in²
Moment of inertia (Ix)	93.79 cm⁴	2.25 in⁴
Moment of inertia (Iy)	10.29 cm⁴	0.25 in⁴
Elastic section modulus (Sx)	15.63 cm³	0.954 in³
Elastic section modulus (Sy)	2.73 cm³	0.166 in³
Plastic section modulus (Zx)	18.53 cm³	1.131 in³
Plastic section modulus (Zy)	3.57 cm³	0.218 in³
Radius of gyration (rx)	4.69 cm	1.846 in
Radius of gyration (ry)	1.55 cm	0.611 in