U 200x70x3 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 200x70x3 (UK / Australia)

The U 200x70x3 steel profile weighs 7.8 kg/m (5.21 lb/ft), has a depth of 200 mm (7.87 in), flange width 70 mm (2.76 in). Cross-sectional area: 987.815 mm². Moment of inertia Ix = 575.91 cm⁴, Iy = 44.231 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	200 mm	7.87 in
Width (b)	70 mm	2.76 in
Thickness (t)	3 mm	0.12 in
Fillet radius (r)	4 mm	0.16 in
Weight	7.8 kg/m	5.21 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	987.82 mm²	1.531 in²
Moment of inertia (Ix)	575.91 cm⁴	13.84 in⁴
Moment of inertia (Iy)	44.23 cm⁴	1.06 in⁴
Elastic section modulus (Sx)	57.59 cm³	3.514 in³
Elastic section modulus (Sy)	8.16 cm³	0.498 in³
Plastic section modulus (Zx)	69.59 cm³	4.247 in³
Plastic section modulus (Zy)	10.68 cm³	0.652 in³
Radius of gyration (rx)	7.64 cm	3.006 in
Radius of gyration (ry)	2.12 cm	0.833 in