C 125x50x21x2.5 Brausa · Weight & Dimensions

Brausa, cold-formed sections · Cold-formed Lipped Channel

Cold-formed lipped channels (C shapes) are lightweight profiles commonly used as purlins, girts, and light framing members. The stiffening lips increase local buckling resistance. Designed per AISI S100 and NBR 14762.

Also known as: Montén de 5 pulgadas (México) · PFC 125x50x21x2.5 (UK / Australia)

The C 125x50x21x2.5 steel profile weighs 5.0 kg/m (3.33 lb/ft), has a depth of 125 mm (4.92 in), flange width 50 mm (1.97 in). Cross-sectional area: 626.381 mm². Moment of inertia Ix = 147.623 cm⁴, Iy = 22.496 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	125 mm	4.92 in
Width (b)	50 mm	1.97 in
Thickness (t)	2.5 mm	0.10 in
Lip	21 mm	0.83 in
Fillet radius (r)	2.5 mm	0.10 in
Weight	5.0 kg/m	3.33 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	626.38 mm²	0.971 in²
Moment of inertia (Ix)	147.62 cm⁴	3.55 in⁴
Moment of inertia (Iy)	22.5 cm⁴	0.54 in⁴
Elastic section modulus (Sx)	23.62 cm³	1.441 in³
Elastic section modulus (Sy)	6.84 cm³	0.418 in³
Plastic section modulus (Zx)	29 cm³	1.770 in³
Plastic section modulus (Zy)	9.68 cm³	0.591 in³
Radius of gyration (rx)	4.85 cm	1.911 in
Radius of gyration (ry)	1.9 cm	0.746 in