RHS 180x130x9.5 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 180x130x9.5 steel profile weighs 41.6 kg/m (27.94 lb/ft), has a depth of 180 mm (7.09 in), flange width 130 mm (5.12 in). Cross-sectional area: 5,296.586 mm². Moment of inertia Ix = 2,277.045 cm⁴, Iy = 1,367.912 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)	9.5 mm	0.37 in
Fillet radius (r)	19 mm	0.75 in
Weight	41.6 kg/m	27.94 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,296.59 mm²	8.210 in²
Moment of inertia (Ix)	2,277.05 cm⁴	54.71 in⁴
Moment of inertia (Iy)	1,367.91 cm⁴	32.86 in⁴
Elastic section modulus (Sx)	253.01 cm³	15.439 in³
Elastic section modulus (Sy)	210.45 cm³	12.842 in³
Plastic section modulus (Zx)	313.19 cm³	19.112 in³
Plastic section modulus (Zy)	249.89 cm³	15.249 in³
Radius of gyration (rx)	6.56 cm	2.581 in
Radius of gyration (ry)	5.08 cm	2.001 in