U 140x45x3.2 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 140x45x3.2 (UK / Australia)

The U 140x45x3.2 steel profile weighs 5.5 kg/m (3.70 lb/ft), has a depth of 140 mm (5.51 in), flange width 45 mm (1.77 in). Cross-sectional area: 702.315 mm². Moment of inertia Ix = 191.922 cm⁴, Iy = 12.285 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	140 mm	5.51 in
Width (b)	45 mm	1.77 in
Thickness (t)	3.2 mm	0.13 in
Weight	5.5 kg/m	3.70 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	702.32 mm²	1.089 in²
Moment of inertia (Ix)	191.92 cm⁴	4.61 in⁴
Moment of inertia (Iy)	12.28 cm⁴	0.30 in⁴
Elastic section modulus (Sx)	27.42 cm³	1.673 in³
Elastic section modulus (Sy)	3.53 cm³	0.215 in³
Plastic section modulus (Zx)	33.97 cm³	2.073 in³
Plastic section modulus (Zy)	4.63 cm³	0.283 in³
Radius of gyration (rx)	5.23 cm	2.058 in
Radius of gyration (ry)	1.32 cm	0.521 in