U 80x20x2 Cimagbo · Weight & Dimensions

Cimagbo, 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 80x20x2 (UK / Australia)

The U 80x20x2 steel profile weighs 1.8 kg/m (1.20 lb/ft), has a depth of 80 mm (3.15 in), flange width 20 mm (0.79 in). Cross-sectional area: 226.842 mm². Moment of inertia Ix = 18.667 cm⁴, Iy = 0.688 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	80 mm	3.15 in
Width (b)	20 mm	0.79 in
Thickness (t)	2 mm	0.08 in
Fillet radius (r)	2 mm	0.08 in
Weight	1.8 kg/m	1.20 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	226.84 mm²	0.352 in²
Moment of inertia (Ix)	18.67 cm⁴	0.45 in⁴
Moment of inertia (Iy)	0.69 cm⁴	0.02 in⁴
Elastic section modulus (Sx)	4.67 cm³	0.285 in³
Elastic section modulus (Sy)	0.44 cm³	0.027 in³
Plastic section modulus (Zx)	6.01 cm³	0.367 in³
Plastic section modulus (Zy)	0.57 cm³	0.035 in³
Radius of gyration (rx)	2.87 cm	1.129 in
Radius of gyration (ry)	0.55 cm	0.217 in