RHS 180x80x3 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 11 (México) · Caño estructural 180x80 (Argentina)

The RHS 180x80x3 steel profile weighs 11.8 kg/m (7.92 lb/ft), has a depth of 180 mm (7.09 in), flange width 80 mm (3.15 in). Cross-sectional area: 1,500.823 mm². Moment of inertia Ix = 620.848 cm⁴, Iy = 176.823 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3 mm ≈ 11 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	180 mm	7.09 in
Width (b)	80 mm	3.15 in
Thickness (t)	3 mm	0.12 in
Fillet radius (r)	6 mm	0.24 in
Weight	11.8 kg/m	7.92 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,500.82 mm²	2.326 in²
Moment of inertia (Ix)	620.85 cm⁴	14.92 in⁴
Moment of inertia (Iy)	176.82 cm⁴	4.25 in⁴
Elastic section modulus (Sx)	68.98 cm³	4.210 in³
Elastic section modulus (Sy)	44.21 cm³	2.698 in³
Plastic section modulus (Zx)	85.82 cm³	5.237 in³
Plastic section modulus (Zy)	48.88 cm³	2.983 in³
Radius of gyration (rx)	6.43 cm	2.532 in
Radius of gyration (ry)	3.43 cm	1.351 in