RHS 120x40x4 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 120x40 cal 8 (México) · Caño estructural 120x40 (Argentina)

The RHS 120x40x4 steel profile weighs 9.2 kg/m (6.17 lb/ft), has a depth of 120 mm (4.72 in), flange width 40 mm (1.57 in). Cross-sectional area: 1,174.796 mm². Moment of inertia Ix = 186.895 cm⁴, Iy = 31.896 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	120 mm	4.72 in
Width (b)	40 mm	1.57 in
Thickness (t)	4 mm	0.16 in
Fillet radius (r)	8 mm	0.31 in
Weight	9.2 kg/m	6.17 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,174.8 mm²	1.821 in²
Moment of inertia (Ix)	186.89 cm⁴	4.49 in⁴
Moment of inertia (Iy)	31.9 cm⁴	0.77 in⁴
Elastic section modulus (Sx)	31.15 cm³	1.901 in³
Elastic section modulus (Sy)	15.95 cm³	0.973 in³
Plastic section modulus (Zx)	41.21 cm³	2.515 in³
Plastic section modulus (Zy)	18.53 cm³	1.131 in³
Radius of gyration (rx)	3.99 cm	1.570 in
Radius of gyration (ry)	1.65 cm	0.649 in