RHS 130x80x11.1 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 130x80 (México) · Caño estructural 130x80 (Argentina)

The RHS 130x80x11.1 steel profile weighs 30.2 kg/m (20.32 lb/ft), has a depth of 130 mm (5.12 in), flange width 80 mm (3.15 in). Cross-sectional area: 3,851.867 mm². Moment of inertia Ix = 736.038 cm⁴, Iy = 335.947 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	130 mm	5.12 in
Width (b)	80 mm	3.15 in
Thickness (t)	11.1 mm	0.44 in
Fillet radius (r)	22.2 mm	0.87 in
Weight	30.2 kg/m	20.32 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,851.87 mm²	5.970 in²
Moment of inertia (Ix)	736.04 cm⁴	17.68 in⁴
Moment of inertia (Iy)	335.95 cm⁴	8.07 in⁴
Elastic section modulus (Sx)	113.24 cm³	6.910 in³
Elastic section modulus (Sy)	83.99 cm³	5.125 in³
Plastic section modulus (Zx)	150.12 cm³	9.161 in³
Plastic section modulus (Zy)	105.93 cm³	6.465 in³
Radius of gyration (rx)	4.37 cm	1.721 in
Radius of gyration (ry)	2.95 cm	1.163 in