U 200x80x4.75 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 200x80x4.75 (UK / Australia)

The U 200x80x4.75 steel profile weighs 12.8 kg/m (8.63 lb/ft), has a depth of 200 mm (7.87 in), flange width 80 mm (3.15 in). Cross-sectional area: 1,635.781 mm². Moment of inertia Ix = 969.194 cm⁴, Iy = 98.086 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	200 mm	7.87 in
Width (b)	80 mm	3.15 in
Thickness (t)	4.8 mm	0.19 in
Weight	12.8 kg/m	8.63 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,635.78 mm²	2.535 in²
Moment of inertia (Ix)	969.19 cm⁴	23.28 in⁴
Moment of inertia (Iy)	98.09 cm⁴	2.36 in⁴
Elastic section modulus (Sx)	96.92 cm³	5.914 in³
Elastic section modulus (Sy)	16.32 cm³	0.996 in³
Plastic section modulus (Zx)	117.26 cm³	7.156 in³
Plastic section modulus (Zy)	21.43 cm³	1.308 in³
Radius of gyration (rx)	7.7 cm	3.030 in
Radius of gyration (ry)	2.45 cm	0.964 in