U 125x50x4 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 125x50x4 (UK / Australia)

The U 125x50x4 steel profile weighs 6.7 kg/m (4.47 lb/ft), has a depth of 125 mm (4.92 in), flange width 50 mm (1.97 in). Cross-sectional area: 847.368 mm². Moment of inertia Ix = 191.854 cm⁴, Iy = 19.485 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)	4 mm	0.16 in
Fillet radius (r)	4 mm	0.16 in
Weight	6.7 kg/m	4.47 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	847.37 mm²	1.313 in²
Moment of inertia (Ix)	191.85 cm⁴	4.61 in⁴
Moment of inertia (Iy)	19.49 cm⁴	0.47 in⁴
Elastic section modulus (Sx)	30.7 cm³	1.873 in³
Elastic section modulus (Sy)	5.25 cm³	0.321 in³
Plastic section modulus (Zx)	37.87 cm³	2.311 in³
Plastic section modulus (Zy)	6.93 cm³	0.423 in³
Radius of gyration (rx)	4.76 cm	1.873 in
Radius of gyration (ry)	1.52 cm	0.597 in