RHS 140x80x11.1 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 140x80 (México) · Caño estructural 140x80 (Argentina)

The RHS 140x80x11.1 steel profile weighs 32.0 kg/m (21.49 lb/ft), has a depth of 140 mm (5.51 in), flange width 80 mm (3.15 in). Cross-sectional area: 4,073.867 mm². Moment of inertia Ix = 895.969 cm⁴, Iy = 362.522 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	140 mm	5.51 in
Width (b)	80 mm	3.15 in
Thickness (t)	11.1 mm	0.44 in
Fillet radius (r)	22.2 mm	0.87 in
Weight	32.0 kg/m	21.49 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,073.87 mm²	6.314 in²
Moment of inertia (Ix)	895.97 cm⁴	21.53 in⁴
Moment of inertia (Iy)	362.52 cm⁴	8.71 in⁴
Elastic section modulus (Sx)	128 cm³	7.811 in³
Elastic section modulus (Sy)	90.63 cm³	5.531 in³
Plastic section modulus (Zx)	169.93 cm³	10.370 in³
Plastic section modulus (Zy)	113.58 cm³	6.931 in³
Radius of gyration (rx)	4.69 cm	1.846 in
Radius of gyration (ry)	2.98 cm	1.174 in