U 120x75x2 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 120x75x2 (UK / Australia)

The U 120x75x2 steel profile weighs 4.1 kg/m (2.78 lb/ft), has a depth of 120 mm (4.72 in), flange width 75 mm (2.95 in). Cross-sectional area: 526.842 mm². Moment of inertia Ix = 128.605 cm⁴, Iy = 31.26 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	120 mm	4.72 in
Width (b)	75 mm	2.95 in
Thickness (t)	2 mm	0.08 in
Weight	4.1 kg/m	2.78 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	526.84 mm²	0.817 in²
Moment of inertia (Ix)	128.61 cm⁴	3.09 in⁴
Moment of inertia (Iy)	31.26 cm⁴	0.75 in⁴
Elastic section modulus (Sx)	21.43 cm³	1.308 in³
Elastic section modulus (Sy)	5.88 cm³	0.359 in³
Plastic section modulus (Zx)	24.43 cm³	1.491 in³
Plastic section modulus (Zy)	7.69 cm³	0.470 in³
Radius of gyration (rx)	4.94 cm	1.945 in
Radius of gyration (ry)	2.44 cm	0.959 in