RHS 180x70x3 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 180x70 cal 11 (México) · Caño estructural 180x70 (Argentina)

The RHS 180x70x3 steel profile weighs 11.3 kg/m (7.59 lb/ft), has a depth of 180 mm (7.09 in), flange width 70 mm (2.76 in). Cross-sectional area: 1,440.823 mm². Moment of inertia Ix = 573.85 cm⁴, Iy = 131.645 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)	70 mm	2.76 in
Thickness (t)	3 mm	0.12 in
Fillet radius (r)	6 mm	0.24 in
Weight	11.3 kg/m	7.59 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,440.82 mm²	2.233 in²
Moment of inertia (Ix)	573.85 cm⁴	13.79 in⁴
Moment of inertia (Iy)	131.64 cm⁴	3.16 in⁴
Elastic section modulus (Sx)	63.76 cm³	3.891 in³
Elastic section modulus (Sy)	37.61 cm³	2.295 in³
Plastic section modulus (Zx)	80.51 cm³	4.913 in³
Plastic section modulus (Zy)	41.53 cm³	2.534 in³
Radius of gyration (rx)	6.31 cm	2.485 in
Radius of gyration (ry)	3.02 cm	1.190 in