U 175x75x3 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 175x75x3 (UK / Australia)

The U 175x75x3 steel profile weighs 7.4 kg/m (4.99 lb/ft), has a depth of 175 mm (6.89 in), flange width 75 mm (2.95 in). Cross-sectional area: 945.394 mm². Moment of inertia Ix = 444.675 cm⁴, Iy = 51.638 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	175 mm	6.89 in
Width (b)	75 mm	2.95 in
Thickness (t)	3 mm	0.12 in
Weight	7.4 kg/m	4.99 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	945.39 mm²	1.465 in²
Moment of inertia (Ix)	444.67 cm⁴	10.68 in⁴
Moment of inertia (Iy)	51.64 cm⁴	1.24 in⁴
Elastic section modulus (Sx)	50.82 cm³	3.101 in³
Elastic section modulus (Sy)	9.16 cm³	0.559 in³
Plastic section modulus (Zx)	60.11 cm³	3.668 in³
Plastic section modulus (Zy)	12 cm³	0.732 in³
Radius of gyration (rx)	6.86 cm	2.700 in
Radius of gyration (ry)	2.34 cm	0.920 in