U 300x75x6 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 300x75x6 (UK / Australia)

The U 300x75x6 steel profile weighs 20.3 kg/m (13.62 lb/ft), has a depth of 300 mm (11.81 in), flange width 75 mm (2.95 in). Cross-sectional area: 2,581.578 mm². Moment of inertia Ix = 3,035.521 cm⁴, Iy = 112.173 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	300 mm	11.81 in
Width (b)	75 mm	2.95 in
Thickness (t)	6 mm	0.24 in
Fillet radius (r)	6 mm	0.24 in
Weight	20.3 kg/m	13.62 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,581.58 mm²	4.001 in²
Moment of inertia (Ix)	3,035.52 cm⁴	72.93 in⁴
Moment of inertia (Iy)	112.17 cm⁴	2.69 in⁴
Elastic section modulus (Sx)	202.37 cm³	12.349 in³
Elastic section modulus (Sy)	18.72 cm³	1.142 in³
Plastic section modulus (Zx)	256.66 cm³	15.663 in³
Plastic section modulus (Zy)	24.52 cm³	1.496 in³
Radius of gyration (rx)	10.84 cm	4.269 in
Radius of gyration (ry)	2.08 cm	0.821 in