U 450x75x6 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 450x75x6 (UK / Australia)

The U 450x75x6 steel profile weighs 27.3 kg/m (18.37 lb/ft), has a depth of 450 mm (17.72 in), flange width 75 mm (2.95 in). Cross-sectional area: 3,481.578 mm². Moment of inertia Ix = 8,402.937 cm⁴, Iy = 122.174 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	450 mm	17.72 in
Width (b)	75 mm	2.95 in
Thickness (t)	6 mm	0.24 in
Fillet radius (r)	6 mm	0.24 in
Weight	27.3 kg/m	18.37 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,481.58 mm²	5.396 in²
Moment of inertia (Ix)	8,402.94 cm⁴	201.88 in⁴
Moment of inertia (Iy)	122.17 cm⁴	2.94 in⁴
Elastic section modulus (Sx)	373.46 cm³	22.790 in³
Elastic section modulus (Sy)	19.38 cm³	1.183 in³
Plastic section modulus (Zx)	487.51 cm³	29.750 in³
Plastic section modulus (Zy)	25.3 cm³	1.544 in³
Radius of gyration (rx)	15.54 cm	6.116 in
Radius of gyration (ry)	1.87 cm	0.738 in