RHS 180x80x5 Condesa · Weight & Dimensions

Condesa, cold-formed sections · Rectangular Hollow Section

Rectangular Hollow Sections (RHS) are tubular profiles with excellent torsional resistance and aesthetic appeal. Used for columns, trusses, and exposed structural elements.

Also known as: PTR 180x80 cal 6 (México) · Caño estructural 180x80 (Argentina)

The RHS 180x80x5 steel profile weighs 19.1 kg/m (12.87 lb/ft), has a depth of 180 mm (7.09 in), flange width 80 mm (3.15 in). Cross-sectional area: 2,435.619 mm². Moment of inertia Ix = 971.033 cm⁴, Iy = 272.275 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 5 mm ≈ 6 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	180 mm	7.09 in
Width (b)	80 mm	3.15 in
Thickness (t)	5 mm	0.20 in
Fillet radius (r)	10 mm	0.39 in
Weight	19.1 kg/m	12.87 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,435.62 mm²	3.775 in²
Moment of inertia (Ix)	971.03 cm⁴	23.33 in⁴
Moment of inertia (Iy)	272.28 cm⁴	6.54 in⁴
Elastic section modulus (Sx)	107.89 cm³	6.584 in³
Elastic section modulus (Sy)	68.07 cm³	4.154 in³
Plastic section modulus (Zx)	136.52 cm³	8.331 in³
Plastic section modulus (Zy)	77.24 cm³	4.713 in³
Radius of gyration (rx)	6.31 cm	2.486 in
Radius of gyration (ry)	3.34 cm	1.316 in