RHS 160x90x10.3 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 160x90x10.3 steel profile weighs 35.0 kg/m (23.49 lb/ft), has a depth of 160 mm (6.30 in), flange width 90 mm (3.54 in). Cross-sectional area: 4,452.435 mm². Moment of inertia Ix = 1,339.142 cm⁴, Iy = 533.305 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	160 mm	6.30 in
Width (b)	90 mm	3.54 in
Thickness (t)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	35.0 kg/m	23.49 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,452.43 mm²	6.901 in²
Moment of inertia (Ix)	1,339.14 cm⁴	32.17 in⁴
Moment of inertia (Iy)	533.31 cm⁴	12.81 in⁴
Elastic section modulus (Sx)	167.39 cm³	10.215 in³
Elastic section modulus (Sy)	118.51 cm³	7.232 in³
Plastic section modulus (Zx)	217.52 cm³	13.274 in³
Plastic section modulus (Zy)	144.38 cm³	8.811 in³
Radius of gyration (rx)	5.48 cm	2.159 in
Radius of gyration (ry)	3.46 cm	1.363 in