U 100x75x2 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 100x75x2 (UK / Australia)

The U 100x75x2 steel profile weighs 3.8 kg/m (2.57 lb/ft), has a depth of 100 mm (3.94 in), flange width 75 mm (2.95 in). Cross-sectional area: 486.842 mm². Moment of inertia Ix = 85.502 cm⁴, Iy = 29.387 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	100 mm	3.94 in
Width (b)	75 mm	2.95 in
Thickness (t)	2 mm	0.08 in
Weight	3.8 kg/m	2.57 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	486.84 mm²	0.755 in²
Moment of inertia (Ix)	85.5 cm⁴	2.05 in⁴
Moment of inertia (Iy)	29.39 cm⁴	0.71 in⁴
Elastic section modulus (Sx)	17.1 cm³	1.044 in³
Elastic section modulus (Sy)	5.71 cm³	0.348 in³
Plastic section modulus (Zx)	19.31 cm³	1.178 in³
Plastic section modulus (Zy)	7.49 cm³	0.457 in³
Radius of gyration (rx)	4.19 cm	1.650 in
Radius of gyration (ry)	2.46 cm	0.967 in