RHS 100x40x4 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 100x40 cal 8 (México) · Caño estructural 100x40 (Argentina)

The RHS 100x40x4 steel profile weighs 7.9 kg/m (5.33 lb/ft), has a depth of 100 mm (3.94 in), flange width 40 mm (1.57 in). Cross-sectional area: 1,014.796 mm². Moment of inertia Ix = 115.696 cm⁴, Iy = 26.691 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	100 mm	3.94 in
Width (b)	40 mm	1.57 in
Thickness (t)	4 mm	0.16 in
Fillet radius (r)	8 mm	0.31 in
Weight	7.9 kg/m	5.33 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,014.8 mm²	1.573 in²
Moment of inertia (Ix)	115.7 cm⁴	2.78 in⁴
Moment of inertia (Iy)	26.69 cm⁴	0.64 in⁴
Elastic section modulus (Sx)	23.14 cm³	1.412 in³
Elastic section modulus (Sy)	13.35 cm³	0.814 in³
Plastic section modulus (Zx)	30.26 cm³	1.847 in³
Plastic section modulus (Zy)	15.65 cm³	0.955 in³
Radius of gyration (rx)	3.38 cm	1.329 in
Radius of gyration (ry)	1.62 cm	0.638 in