RHS 260x180x11.1 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 260x180 (México) · Caño estructural 260x180 (Argentina)

The RHS 260x180x11.1 steel profile weighs 70.3 kg/m (47.26 lb/ft), has a depth of 260 mm (10.24 in), flange width 180 mm (7.09 in). Cross-sectional area: 8,957.867 mm². Moment of inertia Ix = 8,161.982 cm⁴, Iy = 4,604.458 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	260 mm	10.24 in
Width (b)	180 mm	7.09 in
Thickness (t)	11.1 mm	0.44 in
Fillet radius (r)	22.2 mm	0.87 in
Weight	70.3 kg/m	47.26 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	8,957.87 mm²	13.885 in²
Moment of inertia (Ix)	8,161.98 cm⁴	196.09 in⁴
Moment of inertia (Iy)	4,604.46 cm⁴	110.62 in⁴
Elastic section modulus (Sx)	627.84 cm³	38.314 in³
Elastic section modulus (Sy)	511.61 cm³	31.220 in³
Plastic section modulus (Zx)	770.56 cm³	47.023 in³
Plastic section modulus (Zy)	597.75 cm³	36.477 in³
Radius of gyration (rx)	9.55 cm	3.758 in
Radius of gyration (ry)	7.17 cm	2.823 in