RHS 180x120x4 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 180x120 cal 8 (México) · Caño estructural 180x120 (Argentina)

The RHS 180x120x4 steel profile weighs 18.0 kg/m (12.08 lb/ft), has a depth of 180 mm (7.09 in), flange width 120 mm (4.72 in). Cross-sectional area: 2,294.796 mm². Moment of inertia Ix = 1,049.968 cm⁴, Iy = 563.812 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)	120 mm	4.72 in
Thickness (t)	4 mm	0.16 in
Fillet radius (r)	8 mm	0.31 in
Weight	18.0 kg/m	12.08 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,294.8 mm²	3.557 in²
Moment of inertia (Ix)	1,049.97 cm⁴	25.23 in⁴
Moment of inertia (Iy)	563.81 cm⁴	13.55 in⁴
Elastic section modulus (Sx)	116.66 cm³	7.119 in³
Elastic section modulus (Sy)	93.97 cm³	5.734 in³
Plastic section modulus (Zx)	139.97 cm³	8.542 in³
Plastic section modulus (Zy)	106.17 cm³	6.479 in³
Radius of gyration (rx)	6.76 cm	2.663 in
Radius of gyration (ry)	4.96 cm	1.951 in