RHS 80x45x4 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 80x45 cal 8 (México) · Caño estructural 80x45 (Argentina)

The RHS 80x45x4 steel profile weighs 7.0 kg/m (4.72 lb/ft), has a depth of 80 mm (3.15 in), flange width 45 mm (1.77 in). Cross-sectional area: 894.796 mm². Moment of inertia Ix = 70.574 cm⁴, Iy = 28.415 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)	45 mm	1.77 in
Thickness (t)	4 mm	0.16 in
Fillet radius (r)	8 mm	0.31 in
Weight	7.0 kg/m	4.72 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	894.8 mm²	1.387 in²
Moment of inertia (Ix)	70.57 cm⁴	1.70 in⁴
Moment of inertia (Iy)	28.42 cm⁴	0.68 in⁴
Elastic section modulus (Sx)	17.64 cm³	1.077 in³
Elastic section modulus (Sy)	12.63 cm³	0.771 in³
Plastic section modulus (Zx)	22.43 cm³	1.369 in³
Plastic section modulus (Zy)	14.96 cm³	0.913 in³
Radius of gyration (rx)	2.81 cm	1.106 in
Radius of gyration (ry)	1.78 cm	0.702 in