U 300x90x8 Sadef · Weight & Dimensions

Sadef, 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 300x90x8 (UK / Australia)

The U 300x90x8 steel profile weighs 28.2 kg/m (18.93 lb/ft), has a depth of 300 mm (11.81 in), flange width 90 mm (3.54 in). Cross-sectional area: 3,601.962 mm². Moment of inertia Ix = 4,350.544 cm⁴, Iy = 242.335 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	300 mm	11.81 in
Width (b)	90 mm	3.54 in
Thickness (t)	8 mm	0.31 in
Fillet radius (r)	12 mm	0.47 in
Weight	28.2 kg/m	18.93 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,601.96 mm²	5.583 in²
Moment of inertia (Ix)	4,350.54 cm⁴	104.52 in⁴
Moment of inertia (Iy)	242.33 cm⁴	5.82 in⁴
Elastic section modulus (Sx)	290.04 cm³	17.699 in³
Elastic section modulus (Sy)	34.87 cm³	2.128 in³
Plastic section modulus (Zx)	371.42 cm³	22.666 in³
Plastic section modulus (Zy)	46.07 cm³	2.812 in³
Radius of gyration (rx)	10.99 cm	4.327 in
Radius of gyration (ry)	2.59 cm	1.021 in