U 150x50x3.75 ABNT NBR 6355 · Weight & Dimensions

ABNT NBR 6355 · 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 150x50x3.75 (UK / Australia)

The U 150x50x3.75 steel profile weighs 7.0 kg/m (4.70 lb/ft), has a depth of 150 mm (5.91 in), flange width 50 mm (1.97 in). Cross-sectional area: 891.241 mm². Moment of inertia Ix = 280.854 cm⁴, Iy = 19.43 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3.75 mm ≈ 9 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	150 mm	5.91 in
Width (b)	50 mm	1.97 in
Thickness (t)	3.8 mm	0.15 in
Fillet radius (r)	3.8 mm	0.15 in
Weight	7.0 kg/m	4.70 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	891.24 mm²	1.381 in²
Moment of inertia (Ix)	280.85 cm⁴	6.75 in⁴
Moment of inertia (Iy)	19.43 cm⁴	0.47 in⁴
Elastic section modulus (Sx)	37.45 cm³	2.285 in³
Elastic section modulus (Sy)	5.07 cm³	0.309 in³
Plastic section modulus (Zx)	46.45 cm³	2.834 in³
Plastic section modulus (Zy)	6.66 cm³	0.406 in³
Radius of gyration (rx)	5.61 cm	2.210 in
Radius of gyration (ry)	1.48 cm	0.581 in