U 350x100x4 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 350x100x4 (UK / Australia)

The U 350x100x4 steel profile weighs 16.9 kg/m (11.33 lb/ft), has a depth of 350 mm (13.78 in), flange width 100 mm (3.94 in). Cross-sectional area: 2,147.368 mm². Moment of inertia Ix = 3,664.799 cm⁴, Iy = 182.368 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)	4 mm	0.16 in
Fillet radius (r)	4 mm	0.16 in
Weight	16.9 kg/m	11.33 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,147.37 mm²	3.328 in²
Moment of inertia (Ix)	3,664.8 cm⁴	88.05 in⁴
Moment of inertia (Iy)	182.37 cm⁴	4.38 in⁴
Elastic section modulus (Sx)	209.42 cm³	12.779 in³
Elastic section modulus (Sy)	22.77 cm³	1.389 in³
Plastic section modulus (Zx)	255.35 cm³	15.582 in³
Plastic section modulus (Zy)	29.72 cm³	1.813 in³
Radius of gyration (rx)	13.06 cm	5.143 in
Radius of gyration (ry)	2.91 cm	1.147 in