U 300x50x4 Cintac · Weight & Dimensions

Cintac, 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 300x50x4 (UK / Australia)

The U 300x50x4 steel profile weighs 12.2 kg/m (8.16 lb/ft), has a depth of 300 mm (11.81 in), flange width 50 mm (1.97 in). Cross-sectional area: 1,547.368 mm². Moment of inertia Ix = 1,659.839 cm⁴, Iy = 24.133 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	300 mm	11.81 in
Width (b)	50 mm	1.97 in
Thickness (t)	4 mm	0.16 in
Fillet radius (r)	4 mm	0.16 in
Weight	12.2 kg/m	8.16 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,547.37 mm²	2.398 in²
Moment of inertia (Ix)	1,659.84 cm⁴	39.88 in⁴
Moment of inertia (Iy)	24.13 cm⁴	0.58 in⁴
Elastic section modulus (Sx)	110.66 cm³	6.753 in³
Elastic section modulus (Sy)	5.74 cm³	0.350 in³
Plastic section modulus (Zx)	144.45 cm³	8.815 in³
Plastic section modulus (Zy)	7.5 cm³	0.457 in³
Radius of gyration (rx)	10.36 cm	4.078 in
Radius of gyration (ry)	1.25 cm	0.492 in