RHS 260x140x7.1 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 260x140 (México) · Caño estructural 260x140 (Argentina)

The RHS 260x140x7.1 steel profile weighs 42.0 kg/m (28.22 lb/ft), has a depth of 260 mm (10.24 in), flange width 140 mm (5.51 in). Cross-sectional area: 5,348.543 mm². Moment of inertia Ix = 4,722.044 cm⁴, Iy = 1,806.228 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	260 mm	10.24 in
Width (b)	140 mm	5.51 in
Thickness (t)	7.1 mm	0.28 in
Fillet radius (r)	14.2 mm	0.56 in
Weight	42.0 kg/m	28.22 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,348.54 mm²	8.290 in²
Moment of inertia (Ix)	4,722.04 cm⁴	113.45 in⁴
Moment of inertia (Iy)	1,806.23 cm⁴	43.39 in⁴
Elastic section modulus (Sx)	363.23 cm³	22.166 in³
Elastic section modulus (Sy)	258.03 cm³	15.746 in³
Plastic section modulus (Zx)	449.16 cm³	27.410 in³
Plastic section modulus (Zy)	292.6 cm³	17.856 in³
Radius of gyration (rx)	9.4 cm	3.699 in
Radius of gyration (ry)	5.81 cm	2.288 in