U 125 x 13,7 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 125 x 13,7 (UK / Australia)

The U 125 x 13,7 steel profile weighs 13.7 kg/m (9.23 lb/ft), has a depth of 125 mm (4.92 in), flange width 66 mm (2.60 in). Cross-sectional area: 1,760.736 mm². Moment of inertia Ix = 440.861 cm⁴, Iy = 76.191 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	125 mm	4.92 in
Width (b)	66 mm	2.60 in
Web thickness (tw)	6 mm	0.24 in
Flange thickness (tf)	8.1 mm	0.32 in
Fillet radius (r)	9.5 mm	0.37 in
Weight	13.7 kg/m	9.23 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,760.74 mm²	2.729 in²
Moment of inertia (Ix)	440.86 cm⁴	10.59 in⁴
Moment of inertia (Iy)	76.19 cm⁴	1.83 in⁴
Elastic section modulus (Sx)	70.54 cm³	4.304 in³
Elastic section modulus (Sy)	17.06 cm³	1.041 in³
Plastic section modulus (Zx)	82.28 cm³	5.021 in³
Plastic section modulus (Zy)	30.81 cm³	1.880 in³
Radius of gyration (rx)	5 cm	1.970 in
Radius of gyration (ry)	2.08 cm	0.819 in