U 140x45x6.35 IAS · Weight & Dimensions

IAS, 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 140x45x6.35 (UK / Australia)

The U 140x45x6.35 steel profile weighs 10.4 kg/m (7.00 lb/ft), has a depth of 140 mm (5.51 in), flange width 45 mm (1.77 in). Cross-sectional area: 1,327.859 mm². Moment of inertia Ix = 339.374 cm⁴, Iy = 21.813 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	140 mm	5.51 in
Width (b)	45 mm	1.77 in
Thickness (t)	6.3 mm	0.25 in
Weight	10.4 kg/m	7.00 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,327.86 mm²	2.058 in²
Moment of inertia (Ix)	339.37 cm⁴	8.15 in⁴
Moment of inertia (Iy)	21.81 cm⁴	0.52 in⁴
Elastic section modulus (Sx)	48.48 cm³	2.959 in³
Elastic section modulus (Sy)	6.53 cm³	0.399 in³
Plastic section modulus (Zx)	63.85 cm³	3.897 in³
Plastic section modulus (Zy)	8.69 cm³	0.531 in³
Radius of gyration (rx)	5.06 cm	1.990 in
Radius of gyration (ry)	1.28 cm	0.505 in