RHS 90x60x8.8 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 90x60 (México) · Caño estructural 90x60 (Argentina)

The RHS 90x60x8.8 steel profile weighs 16.7 kg/m (11.24 lb/ft), has a depth of 90 mm (3.54 in), flange width 60 mm (2.36 in). Cross-sectional area: 2,130.815 mm². Moment of inertia Ix = 193.08 cm⁴, Iy = 100.129 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	90 mm	3.54 in
Width (b)	60 mm	2.36 in
Thickness (t)	8.8 mm	0.35 in
Fillet radius (r)	17.6 mm	0.69 in
Weight	16.7 kg/m	11.24 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,130.81 mm²	3.303 in²
Moment of inertia (Ix)	193.08 cm⁴	4.64 in⁴
Moment of inertia (Iy)	100.13 cm⁴	2.41 in⁴
Elastic section modulus (Sx)	42.91 cm³	2.618 in³
Elastic section modulus (Sy)	33.38 cm³	2.037 in³
Plastic section modulus (Zx)	57.29 cm³	3.496 in³
Plastic section modulus (Zy)	42.81 cm³	2.612 in³
Radius of gyration (rx)	3.01 cm	1.185 in
Radius of gyration (ry)	2.17 cm	0.853 in