RHS 110x80x9.5 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 110x80 (México) · Caño estructural 110x80 (Argentina)

The RHS 110x80x9.5 steel profile weighs 23.7 kg/m (15.91 lb/ft), has a depth of 110 mm (4.33 in), flange width 80 mm (3.15 in). Cross-sectional area: 3,016.586 mm². Moment of inertia Ix = 438.645 cm⁴, Iy = 263.458 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)	9.5 mm	0.37 in
Fillet radius (r)	19 mm	0.75 in
Weight	23.7 kg/m	15.91 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,016.59 mm²	4.676 in²
Moment of inertia (Ix)	438.64 cm⁴	10.54 in⁴
Moment of inertia (Iy)	263.46 cm⁴	6.33 in⁴
Elastic section modulus (Sx)	79.75 cm³	4.867 in³
Elastic section modulus (Sy)	65.86 cm³	4.019 in³
Plastic section modulus (Zx)	103.35 cm³	6.307 in³
Plastic section modulus (Zy)	82.47 cm³	5.032 in³
Radius of gyration (rx)	3.81 cm	1.501 in
Radius of gyration (ry)	2.96 cm	1.163 in