U 140x50x4.75 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 140x50x4.75 (UK / Australia)

The U 140x50x4.75 steel profile weighs 8.4 kg/m (5.62 lb/ft), has a depth of 140 mm (5.51 in), flange width 50 mm (1.97 in). Cross-sectional area: 1,065.781 mm². Moment of inertia Ix = 291.147 cm⁴, Iy = 23.362 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	140 mm	5.51 in
Width (b)	50 mm	1.97 in
Thickness (t)	4.8 mm	0.19 in
Weight	8.4 kg/m	5.62 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,065.78 mm²	1.652 in²
Moment of inertia (Ix)	291.15 cm⁴	6.99 in⁴
Moment of inertia (Iy)	23.36 cm⁴	0.56 in⁴
Elastic section modulus (Sx)	41.59 cm³	2.538 in³
Elastic section modulus (Sy)	6.23 cm³	0.380 in³
Plastic section modulus (Zx)	52.32 cm³	3.193 in³
Plastic section modulus (Zy)	8.23 cm³	0.502 in³
Radius of gyration (rx)	5.23 cm	2.058 in
Radius of gyration (ry)	1.48 cm	0.583 in