RHS 160x90x5.2 Açotubo · Weight & Dimensions

Açotubo, 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 160x90 (México) · Caño estructural 160x90 (Argentina)

The RHS 160x90x5.2 steel profile weighs 19.0 kg/m (12.77 lb/ft), has a depth of 160 mm (6.30 in), flange width 90 mm (3.54 in). Cross-sectional area: 2,422.206 mm². Moment of inertia Ix = 807.646 cm⁴, Iy = 329.755 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 5.2 mm ≈ 6 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	160 mm	6.30 in
Width (b)	90 mm	3.54 in
Thickness (t)	5.2 mm	0.20 in
Fillet radius (r)	10.4 mm	0.41 in
Weight	19.0 kg/m	12.77 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,422.21 mm²	3.754 in²
Moment of inertia (Ix)	807.65 cm⁴	19.40 in⁴
Moment of inertia (Iy)	329.76 cm⁴	7.92 in⁴
Elastic section modulus (Sx)	100.96 cm³	6.161 in³
Elastic section modulus (Sy)	73.28 cm³	4.472 in³
Plastic section modulus (Zx)	125.13 cm³	7.636 in³
Plastic section modulus (Zy)	83.96 cm³	5.124 in³
Radius of gyration (rx)	5.77 cm	2.273 in
Radius of gyration (ry)	3.69 cm	1.453 in