RHS 260x180x12.7 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 260x180x12.7 steel profile weighs 79.4 kg/m (53.36 lb/ft), has a depth of 260 mm (10.24 in), flange width 180 mm (7.09 in). Cross-sectional area: 10,115.482 mm². Moment of inertia Ix = 9,053.596 cm⁴, Iy = 5,093.821 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)	12.7 mm	0.50 in
Fillet radius (r)	25.4 mm	1.00 in
Weight	79.4 kg/m	53.36 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,115.48 mm²	15.679 in²
Moment of inertia (Ix)	9,053.6 cm⁴	217.51 in⁴
Moment of inertia (Iy)	5,093.82 cm⁴	122.38 in⁴
Elastic section modulus (Sx)	696.43 cm³	42.499 in³
Elastic section modulus (Sy)	565.98 cm³	34.538 in³
Plastic section modulus (Zx)	861.81 cm³	52.591 in³
Plastic section modulus (Zy)	667.81 cm³	40.752 in³
Radius of gyration (rx)	9.46 cm	3.725 in
Radius of gyration (ry)	7.1 cm	2.794 in