RHS 80x30x4 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 80x30 cal 8 (México) · Caño estructural 80x30 (Argentina)

The RHS 80x30x4 steel profile weighs 6.1 kg/m (4.09 lb/ft), has a depth of 80 mm (3.15 in), flange width 30 mm (1.18 in). Cross-sectional area: 774.796 mm². Moment of inertia Ix = 53.23 cm⁴, Iy = 10.781 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	80 mm	3.15 in
Width (b)	30 mm	1.18 in
Thickness (t)	4 mm	0.16 in
Fillet radius (r)	8 mm	0.31 in
Weight	6.1 kg/m	4.09 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	774.8 mm²	1.201 in²
Moment of inertia (Ix)	53.23 cm⁴	1.28 in⁴
Moment of inertia (Iy)	10.78 cm⁴	0.26 in⁴
Elastic section modulus (Sx)	13.31 cm³	0.812 in³
Elastic section modulus (Sy)	7.19 cm³	0.439 in³
Plastic section modulus (Zx)	17.87 cm³	1.091 in³
Plastic section modulus (Zy)	8.7 cm³	0.531 in³
Radius of gyration (rx)	2.62 cm	1.032 in
Radius of gyration (ry)	1.18 cm	0.464 in