U 400x75x6 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 400x75x6 (UK / Australia)

The U 400x75x6 steel profile weighs 25.0 kg/m (16.79 lb/ft), has a depth of 400 mm (15.75 in), flange width 75 mm (2.95 in). Cross-sectional area: 3,181.578 mm². Moment of inertia Ix = 6,228.601 cm⁴, Iy = 119.452 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)	6 mm	0.24 in
Fillet radius (r)	6 mm	0.24 in
Weight	25.0 kg/m	16.79 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,181.58 mm²	4.931 in²
Moment of inertia (Ix)	6,228.6 cm⁴	149.64 in⁴
Moment of inertia (Iy)	119.45 cm⁴	2.87 in⁴
Elastic section modulus (Sx)	311.43 cm³	19.005 in³
Elastic section modulus (Sy)	19.2 cm³	1.172 in³
Plastic section modulus (Zx)	403.06 cm³	24.596 in³
Plastic section modulus (Zy)	25.09 cm³	1.531 in³
Radius of gyration (rx)	13.99 cm	5.509 in
Radius of gyration (ry)	1.94 cm	0.763 in