RHS 110x80x4.4 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 110x80x4.4 steel profile weighs 12.1 kg/m (8.15 lb/ft), has a depth of 110 mm (4.33 in), flange width 80 mm (3.15 in). Cross-sectional area: 1,544.704 mm². Moment of inertia Ix = 257.76 cm⁴, Iy = 157.295 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4.4 mm ≈ 7 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	110 mm	4.33 in
Width (b)	80 mm	3.15 in
Thickness (t)	4.4 mm	0.17 in
Fillet radius (r)	8.8 mm	0.35 in
Weight	12.1 kg/m	8.15 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,544.7 mm²	2.394 in²
Moment of inertia (Ix)	257.76 cm⁴	6.19 in⁴
Moment of inertia (Iy)	157.3 cm⁴	3.78 in⁴
Elastic section modulus (Sx)	46.87 cm³	2.860 in³
Elastic section modulus (Sy)	39.32 cm³	2.400 in³
Plastic section modulus (Zx)	57 cm³	3.478 in³
Plastic section modulus (Zy)	45.79 cm³	2.794 in³
Radius of gyration (rx)	4.08 cm	1.608 in
Radius of gyration (ry)	3.19 cm	1.256 in