U 160x80x3.2 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 160x80x3.2 (UK / Australia)

The U 160x80x3.2 steel profile weighs 7.8 kg/m (5.22 lb/ft), has a depth of 160 mm (6.30 in), flange width 80 mm (3.15 in). Cross-sectional area: 990.315 mm². Moment of inertia Ix = 402.974 cm⁴, Iy = 63.738 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)	3.2 mm	0.13 in
Weight	7.8 kg/m	5.22 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	990.32 mm²	1.535 in²
Moment of inertia (Ix)	402.97 cm⁴	9.68 in⁴
Moment of inertia (Iy)	63.74 cm⁴	1.53 in⁴
Elastic section modulus (Sx)	50.37 cm³	3.074 in³
Elastic section modulus (Sy)	10.89 cm³	0.665 in³
Plastic section modulus (Zx)	59.01 cm³	3.601 in³
Plastic section modulus (Zy)	14.28 cm³	0.872 in³
Radius of gyration (rx)	6.38 cm	2.511 in
Radius of gyration (ry)	2.54 cm	0.999 in