U 350x100x3 Cintac · Weight & Dimensions

Cintac, 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 350x100x3 (UK / Australia)

The U 350x100x3 steel profile weighs 12.7 kg/m (8.55 lb/ft), has a depth of 350 mm (13.78 in), flange width 100 mm (3.94 in). Cross-sectional area: 1,620.394 mm². Moment of inertia Ix = 2,788.398 cm⁴, Iy = 138.897 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	350 mm	13.78 in
Width (b)	100 mm	3.94 in
Thickness (t)	3 mm	0.12 in
Fillet radius (r)	3 mm	0.12 in
Weight	12.7 kg/m	8.55 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,620.39 mm²	2.512 in²
Moment of inertia (Ix)	2,788.4 cm⁴	66.99 in⁴
Moment of inertia (Iy)	138.9 cm⁴	3.34 in⁴
Elastic section modulus (Sx)	159.34 cm³	9.723 in³
Elastic section modulus (Sy)	17.25 cm³	1.053 in³
Plastic section modulus (Zx)	192.85 cm³	11.768 in³
Plastic section modulus (Zy)	22.49 cm³	1.372 in³
Radius of gyration (rx)	13.12 cm	5.165 in
Radius of gyration (ry)	2.93 cm	1.153 in