U 140x70x3 Arval · Weight & Dimensions

Arval, 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 140x70x3 (UK / Australia)

The U 140x70x3 steel profile weighs 6.3 kg/m (4.26 lb/ft), has a depth of 140 mm (5.51 in), flange width 70 mm (2.76 in). Cross-sectional area: 807.815 mm². Moment of inertia Ix = 250.333 cm⁴, Iy = 39.74 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	140 mm	5.51 in
Width (b)	70 mm	2.76 in
Thickness (t)	3 mm	0.12 in
Fillet radius (r)	4 mm	0.16 in
Weight	6.3 kg/m	4.26 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	807.82 mm²	1.252 in²
Moment of inertia (Ix)	250.33 cm⁴	6.01 in⁴
Moment of inertia (Iy)	39.74 cm⁴	0.95 in⁴
Elastic section modulus (Sx)	35.76 cm³	2.182 in³
Elastic section modulus (Sy)	7.78 cm³	0.475 in³
Plastic section modulus (Zx)	42.23 cm³	2.577 in³
Plastic section modulus (Zy)	10.24 cm³	0.625 in³
Radius of gyration (rx)	5.57 cm	2.192 in
Radius of gyration (ry)	2.22 cm	0.873 in