RHS 140x80x10.3 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 140x80 (México) · Caño estructural 140x80 (Argentina)

The RHS 140x80x10.3 steel profile weighs 30.1 kg/m (20.23 lb/ft), has a depth of 140 mm (5.51 in), flange width 80 mm (3.15 in). Cross-sectional area: 3,834.435 mm². Moment of inertia Ix = 860.435 cm⁴, Iy = 349.478 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)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	30.1 kg/m	20.23 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,834.43 mm²	5.943 in²
Moment of inertia (Ix)	860.44 cm⁴	20.67 in⁴
Moment of inertia (Iy)	349.48 cm⁴	8.40 in⁴
Elastic section modulus (Sx)	122.92 cm³	7.501 in³
Elastic section modulus (Sy)	87.37 cm³	5.332 in³
Plastic section modulus (Zx)	161.7 cm³	9.867 in³
Plastic section modulus (Zy)	108.28 cm³	6.608 in³
Radius of gyration (rx)	4.74 cm	1.865 in
Radius of gyration (ry)	3.02 cm	1.189 in