U 225 x 30,6 IS · Weight & Dimensions

IS, hot-rolled 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 225 x 30,6 (UK / Australia)

The U 225 x 30,6 steel profile weighs 30.6 kg/m (20.58 lb/ft), has a depth of 225 mm (8.86 in), flange width 83 mm (3.27 in). Cross-sectional area: 3,922.005 mm². Moment of inertia Ix = 2,989.056 cm⁴, Iy = 251.906 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	225 mm	8.86 in
Width (b)	83 mm	3.27 in
Web thickness (tw)	9 mm	0.35 in
Flange thickness (tf)	12.4 mm	0.49 in
Fillet radius (r)	12 mm	0.47 in
Weight	30.6 kg/m	20.58 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,922.01 mm²	6.079 in²
Moment of inertia (Ix)	2,989.06 cm⁴	71.81 in⁴
Moment of inertia (Iy)	251.91 cm⁴	6.05 in⁴
Elastic section modulus (Sx)	265.69 cm³	16.214 in³
Elastic section modulus (Sy)	42.72 cm³	2.607 in³
Plastic section modulus (Zx)	315.01 cm³	19.223 in³
Plastic section modulus (Zy)	77.16 cm³	4.709 in³
Radius of gyration (rx)	8.73 cm	3.437 in
Radius of gyration (ry)	2.53 cm	0.998 in