RHS 110x80x10.3 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 110x80 (México) · Caño estructural 110x80 (Argentina)

The RHS 110x80x10.3 steel profile weighs 25.3 kg/m (16.97 lb/ft), has a depth of 110 mm (4.33 in), flange width 80 mm (3.15 in). Cross-sectional area: 3,216.435 mm². Moment of inertia Ix = 456.983 cm⁴, Iy = 273.874 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)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	25.3 kg/m	16.97 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,216.43 mm²	4.985 in²
Moment of inertia (Ix)	456.98 cm⁴	10.98 in⁴
Moment of inertia (Iy)	273.87 cm⁴	6.58 in⁴
Elastic section modulus (Sx)	83.09 cm³	5.070 in³
Elastic section modulus (Sy)	68.47 cm³	4.178 in³
Plastic section modulus (Zx)	108.82 cm³	6.640 in³
Plastic section modulus (Zy)	86.74 cm³	5.293 in³
Radius of gyration (rx)	3.77 cm	1.484 in
Radius of gyration (ry)	2.92 cm	1.149 in