U 50x25x3.2 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 50x25x3.2 (UK / Australia)

The U 50x25x3.2 steel profile weighs 2.3 kg/m (1.51 lb/ft), has a depth of 50 mm (1.97 in), flange width 25 mm (0.98 in). Cross-sectional area: 286.315 mm². Moment of inertia Ix = 10.173 cm⁴, Iy = 1.66 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	50 mm	1.97 in
Width (b)	25 mm	0.98 in
Thickness (t)	3.2 mm	0.13 in
Weight	2.3 kg/m	1.51 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	286.32 mm²	0.444 in²
Moment of inertia (Ix)	10.17 cm⁴	0.24 in⁴
Moment of inertia (Iy)	1.66 cm⁴	0.04 in⁴
Elastic section modulus (Sx)	4.07 cm³	0.248 in³
Elastic section modulus (Sy)	0.96 cm³	0.059 in³
Plastic section modulus (Zx)	5.26 cm³	0.321 in³
Plastic section modulus (Zy)	1.3 cm³	0.079 in³
Radius of gyration (rx)	1.88 cm	0.742 in
Radius of gyration (ry)	0.76 cm	0.300 in