U 400x75x5 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 400x75x5 (UK / Australia)

The U 400x75x5 steel profile weighs 20.9 kg/m (14.07 lb/ft), has a depth of 400 mm (15.75 in), flange width 75 mm (2.95 in). Cross-sectional area: 2,667.762 mm². Moment of inertia Ix = 5,268.677 cm⁴, Iy = 101.462 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	400 mm	15.75 in
Width (b)	75 mm	2.95 in
Thickness (t)	5 mm	0.20 in
Fillet radius (r)	5 mm	0.20 in
Weight	20.9 kg/m	14.07 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,667.76 mm²	4.135 in²
Moment of inertia (Ix)	5,268.68 cm⁴	126.58 in⁴
Moment of inertia (Iy)	101.46 cm⁴	2.44 in⁴
Elastic section modulus (Sx)	263.43 cm³	16.076 in³
Elastic section modulus (Sy)	16.2 cm³	0.989 in³
Plastic section modulus (Zx)	338.22 cm³	20.639 in³
Plastic section modulus (Zy)	21.14 cm³	1.290 in³
Radius of gyration (rx)	14.05 cm	5.533 in
Radius of gyration (ry)	1.95 cm	0.768 in