C 170x55x20x1.5 Dabarca · Weight & Dimensions

Dabarca, 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 7 pulgadas (México) · PFC 170x55x20x1.5 (UK / Australia)

The C 170x55x20x1.5 steel profile weighs 3.6 kg/m (2.45 lb/ft), has a depth of 170 mm (6.69 in), flange width 55 mm (2.17 in). Cross-sectional area: 465.197 mm². Moment of inertia Ix = 201.911 cm⁴, Iy = 19.776 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	170 mm	6.69 in
Width (b)	55 mm	2.17 in
Thickness (t)	1.5 mm	0.06 in
Lip	20 mm	0.79 in
Fillet radius (r)	1.5 mm	0.06 in
Weight	3.6 kg/m	2.45 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	465.2 mm²	0.721 in²
Moment of inertia (Ix)	201.91 cm⁴	4.85 in⁴
Moment of inertia (Iy)	19.78 cm⁴	0.48 in⁴
Elastic section modulus (Sx)	23.75 cm³	1.450 in³
Elastic section modulus (Sy)	5.11 cm³	0.312 in³
Plastic section modulus (Zx)	28.48 cm³	1.738 in³
Plastic section modulus (Zy)	6.94 cm³	0.424 in³
Radius of gyration (rx)	6.59 cm	2.594 in
Radius of gyration (ry)	2.06 cm	0.812 in