U 225x50x4 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 225x50x4 (UK / Australia)

The U 225x50x4 steel profile weighs 9.8 kg/m (6.58 lb/ft), has a depth of 225 mm (8.86 in), flange width 50 mm (1.97 in). Cross-sectional area: 1,247.368 mm². Moment of inertia Ix = 803.071 cm⁴, Iy = 22.767 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	225 mm	8.86 in
Width (b)	50 mm	1.97 in
Thickness (t)	4 mm	0.16 in
Weight	9.8 kg/m	6.58 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,247.37 mm²	1.933 in²
Moment of inertia (Ix)	803.07 cm⁴	19.29 in⁴
Moment of inertia (Iy)	22.77 cm⁴	0.55 in⁴
Elastic section modulus (Sx)	71.38 cm³	4.356 in³
Elastic section modulus (Sy)	5.61 cm³	0.342 in³
Plastic section modulus (Zx)	91.27 cm³	5.570 in³
Plastic section modulus (Zy)	7.34 cm³	0.448 in³
Radius of gyration (rx)	8.02 cm	3.159 in
Radius of gyration (ry)	1.35 cm	0.532 in