RHS 180x70x4 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 8 (México) · Caño estructural 180x70 (Argentina)

The RHS 180x70x4 steel profile weighs 14.8 kg/m (9.97 lb/ft), has a depth of 180 mm (7.09 in), flange width 70 mm (2.76 in). Cross-sectional area: 1,894.796 mm². Moment of inertia Ix = 740.155 cm⁴, Iy = 168.07 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4 mm ≈ 8 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	180 mm	7.09 in
Width (b)	70 mm	2.76 in
Thickness (t)	4 mm	0.16 in
Fillet radius (r)	8 mm	0.31 in
Weight	14.8 kg/m	9.97 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,894.8 mm²	2.937 in²
Moment of inertia (Ix)	740.15 cm⁴	17.78 in⁴
Moment of inertia (Iy)	168.07 cm⁴	4.04 in⁴
Elastic section modulus (Sx)	82.24 cm³	5.019 in³
Elastic section modulus (Sy)	48.02 cm³	2.930 in³
Plastic section modulus (Zx)	104.77 cm³	6.394 in³
Plastic section modulus (Zy)	53.8 cm³	3.283 in³
Radius of gyration (rx)	6.25 cm	2.461 in
Radius of gyration (ry)	2.98 cm	1.173 in