U 400x100x2 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 400x100x2 (UK / Australia)

The U 400x100x2 steel profile weighs 9.3 kg/m (6.26 lb/ft), has a depth of 400 mm (15.75 in), flange width 100 mm (3.94 in). Cross-sectional area: 1,186.842 mm². Moment of inertia Ix = 2,598.431 cm⁴, Iy = 97.016 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	400 mm	15.75 in
Width (b)	100 mm	3.94 in
Thickness (t)	2 mm	0.08 in
Fillet radius (r)	2 mm	0.08 in
Weight	9.3 kg/m	6.26 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,186.84 mm²	1.840 in²
Moment of inertia (Ix)	2,598.43 cm⁴	62.43 in⁴
Moment of inertia (Iy)	97.02 cm⁴	2.33 in⁴
Elastic section modulus (Sx)	129.92 cm³	7.928 in³
Elastic section modulus (Sy)	11.76 cm³	0.718 in³
Plastic section modulus (Zx)	158.01 cm³	9.642 in³
Plastic section modulus (Zy)	15.31 cm³	0.935 in³
Radius of gyration (rx)	14.8 cm	5.825 in
Radius of gyration (ry)	2.86 cm	1.126 in