RHS 110x80x8.2 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 110x80 (México) · Caño estructural 110x80 (Argentina)

The RHS 110x80x8.2 steel profile weighs 21.0 kg/m (14.11 lb/ft), has a depth of 110 mm (4.33 in), flange width 80 mm (3.15 in). Cross-sectional area: 2,673.882 mm². Moment of inertia Ix = 403.34 cm⁴, Iy = 243.166 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	110 mm	4.33 in
Width (b)	80 mm	3.15 in
Thickness (t)	8.2 mm	0.32 in
Fillet radius (r)	16.4 mm	0.65 in
Weight	21.0 kg/m	14.11 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,673.88 mm²	4.145 in²
Moment of inertia (Ix)	403.34 cm⁴	9.69 in⁴
Moment of inertia (Iy)	243.17 cm⁴	5.84 in⁴
Elastic section modulus (Sx)	73.33 cm³	4.475 in³
Elastic section modulus (Sy)	60.79 cm³	3.710 in³
Plastic section modulus (Zx)	93.44 cm³	5.702 in³
Plastic section modulus (Zy)	74.69 cm³	4.558 in³
Radius of gyration (rx)	3.88 cm	1.529 in
Radius of gyration (ry)	3.02 cm	1.187 in