RHS 160x80x5 · Weight & Dimensions

BR — 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 160x80 cal 6 (México) · Caño estructural 160x80 (Argentina)

The RHS 160x80x5 steel profile weighs 17.2 kg/m (11.56 lb/ft), has a depth of 160 mm (6.30 in), flange width 80 mm (3.15 in). Cross-sectional area: 2,300 mm². Moment of inertia Ix = 761.92 cm⁴, Iy = 253.92 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 5 mm ≈ 6 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	160 mm	6.30 in
Width (b)	80 mm	3.15 in
Thickness (t)	5 mm	0.20 in
Fillet radius (r)	10 mm	0.39 in
Weight	17.2 kg/m	11.56 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,300 mm²	3.565 in²
Moment of inertia (Ix)	761.92 cm⁴	18.31 in⁴
Moment of inertia (Iy)	253.92 cm⁴	6.10 in⁴
Elastic section modulus (Sx)	95.24 cm³	5.812 in³
Elastic section modulus (Sy)	63.48 cm³	3.874 in³
Plastic section modulus (Zx)	118.25 cm³	7.216 in³
Plastic section modulus (Zy)	72.25 cm³	4.409 in³
Radius of gyration (rx)	5.76 cm	2.268 in
Radius of gyration (ry)	3.32 cm	1.307 in