RHS 160x90x9.5 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 160x90x9.5 steel profile weighs 32.6 kg/m (21.93 lb/ft), has a depth of 160 mm (6.30 in), flange width 90 mm (3.54 in). Cross-sectional area: 4,156.586 mm². Moment of inertia Ix = 1,271.439 cm⁴, Iy = 508.243 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)	9.5 mm	0.37 in
Fillet radius (r)	19 mm	0.75 in
Weight	32.6 kg/m	21.93 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,156.59 mm²	6.443 in²
Moment of inertia (Ix)	1,271.44 cm⁴	30.55 in⁴
Moment of inertia (Iy)	508.24 cm⁴	12.21 in⁴
Elastic section modulus (Sx)	158.93 cm³	9.699 in³
Elastic section modulus (Sy)	112.94 cm³	6.892 in³
Plastic section modulus (Zx)	204.93 cm³	12.506 in³
Plastic section modulus (Zy)	136.26 cm³	8.315 in³
Radius of gyration (rx)	5.53 cm	2.177 in
Radius of gyration (ry)	3.5 cm	1.377 in