RHS 180x130x11.1 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 180x130 (México) · Caño estructural 180x130 (Argentina)

The RHS 180x130x11.1 steel profile weighs 47.7 kg/m (32.03 lb/ft), has a depth of 180 mm (7.09 in), flange width 130 mm (5.12 in). Cross-sectional area: 6,071.867 mm². Moment of inertia Ix = 2,543.256 cm⁴, Iy = 1,522.932 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	180 mm	7.09 in
Width (b)	130 mm	5.12 in
Thickness (t)	11.1 mm	0.44 in
Fillet radius (r)	22.2 mm	0.87 in
Weight	47.7 kg/m	32.03 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,071.87 mm²	9.411 in²
Moment of inertia (Ix)	2,543.26 cm⁴	61.10 in⁴
Moment of inertia (Iy)	1,522.93 cm⁴	36.59 in⁴
Elastic section modulus (Sx)	282.58 cm³	17.244 in³
Elastic section modulus (Sy)	234.3 cm³	14.298 in³
Plastic section modulus (Zx)	354.03 cm³	21.604 in³
Plastic section modulus (Zy)	282.1 cm³	17.215 in³
Radius of gyration (rx)	6.47 cm	2.548 in
Radius of gyration (ry)	5.01 cm	1.972 in