U 125x50x3 Cimagbo · Weight & Dimensions

Cimagbo, 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 125x50x3 (UK / Australia)

The U 125x50x3 steel profile weighs 5.1 kg/m (3.41 lb/ft), has a depth of 125 mm (4.92 in), flange width 50 mm (1.97 in). Cross-sectional area: 645.394 mm². Moment of inertia Ix = 149.274 cm⁴, Iy = 15.109 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	125 mm	4.92 in
Width (b)	50 mm	1.97 in
Thickness (t)	3 mm	0.12 in
Fillet radius (r)	3 mm	0.12 in
Weight	5.1 kg/m	3.41 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	645.39 mm²	1.000 in²
Moment of inertia (Ix)	149.27 cm⁴	3.59 in⁴
Moment of inertia (Iy)	15.11 cm⁴	0.36 in⁴
Elastic section modulus (Sx)	23.88 cm³	1.457 in³
Elastic section modulus (Sy)	4.02 cm³	0.246 in³
Plastic section modulus (Zx)	28.91 cm³	1.764 in³
Plastic section modulus (Zy)	5.29 cm³	0.323 in³
Radius of gyration (rx)	4.81 cm	1.893 in
Radius of gyration (ry)	1.53 cm	0.602 in