C 127x50.8x12.7x1.21 IMCA · Weight & Dimensions

IMCA, 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 127x50.8x12.7x1.21 (UK / Australia)

The C 127x50.8x12.7x1.21 steel profile weighs 2.3 kg/m (1.56 lb/ft), has a depth of 127 mm (5.00 in), flange width 50.8 mm (2.00 in). Cross-sectional area: 295.232 mm². Moment of inertia Ix = 74.526 cm⁴, Iy = 10.072 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	127 mm	5.00 in
Width (b)	50.8 mm	2.00 in
Thickness (t)	1.2 mm	0.05 in
Lip	12.7 mm	0.50 in
Fillet radius (r)	2.4 mm	0.09 in
Weight	2.3 kg/m	1.56 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	295.23 mm²	0.458 in²
Moment of inertia (Ix)	74.53 cm⁴	1.79 in⁴
Moment of inertia (Iy)	10.07 cm⁴	0.24 in⁴
Elastic section modulus (Sx)	11.74 cm³	0.716 in³
Elastic section modulus (Sy)	2.82 cm³	0.172 in³
Plastic section modulus (Zx)	14 cm³	0.854 in³
Plastic section modulus (Zy)	3.9 cm³	0.238 in³
Radius of gyration (rx)	5.02 cm	1.978 in
Radius of gyration (ry)	1.85 cm	0.727 in