U 160x80x4.75 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 160x80x4.75 (UK / Australia)

The U 160x80x4.75 steel profile weighs 11.3 kg/m (7.63 lb/ft), has a depth of 160 mm (6.30 in), flange width 80 mm (3.15 in). Cross-sectional area: 1,445.781 mm². Moment of inertia Ix = 574.539 cm⁴, Iy = 91.453 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	160 mm	6.30 in
Width (b)	80 mm	3.15 in
Thickness (t)	4.8 mm	0.19 in
Weight	11.3 kg/m	7.63 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,445.78 mm²	2.241 in²
Moment of inertia (Ix)	574.54 cm⁴	13.80 in⁴
Moment of inertia (Iy)	91.45 cm⁴	2.20 in⁴
Elastic section modulus (Sx)	71.82 cm³	4.383 in³
Elastic section modulus (Sy)	15.82 cm³	0.965 in³
Plastic section modulus (Zx)	85.87 cm³	5.240 in³
Plastic section modulus (Zy)	20.86 cm³	1.273 in³
Radius of gyration (rx)	6.3 cm	2.482 in
Radius of gyration (ry)	2.52 cm	0.990 in