U 250 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 250 x 30,6 (UK / Australia)

The U 250 x 30,6 steel profile weighs 30.6 kg/m (20.58 lb/ft), has a depth of 250 mm (9.84 in), flange width 80 mm (3.15 in). Cross-sectional area: 3,914.765 mm². Moment of inertia Ix = 3,869.435 cm⁴, Iy = 246.307 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	250 mm	9.84 in
Width (b)	80 mm	3.15 in
Web thickness (tw)	7.2 mm	0.28 in
Flange thickness (tf)	14.1 mm	0.56 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)	3,914.77 mm²	6.068 in²
Moment of inertia (Ix)	3,869.44 cm⁴	92.96 in⁴
Moment of inertia (Iy)	246.31 cm⁴	5.92 in⁴
Elastic section modulus (Sx)	309.55 cm³	18.890 in³
Elastic section modulus (Sy)	44.52 cm³	2.717 in³
Plastic section modulus (Zx)	361.34 cm³	22.050 in³
Plastic section modulus (Zy)	80.79 cm³	4.930 in³
Radius of gyration (rx)	9.94 cm	3.914 in
Radius of gyration (ry)	2.51 cm	0.988 in