RHS 130x80x9.5 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 130x80 (México) · Caño estructural 130x80 (Argentina)

The RHS 130x80x9.5 steel profile weighs 26.7 kg/m (17.92 lb/ft), has a depth of 130 mm (5.12 in), flange width 80 mm (3.15 in). Cross-sectional area: 3,396.586 mm². Moment of inertia Ix = 676.771 cm⁴, Iy = 310.961 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)	9.5 mm	0.37 in
Fillet radius (r)	19 mm	0.75 in
Weight	26.7 kg/m	17.92 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,396.59 mm²	5.265 in²
Moment of inertia (Ix)	676.77 cm⁴	16.26 in⁴
Moment of inertia (Iy)	310.96 cm⁴	7.47 in⁴
Elastic section modulus (Sx)	104.12 cm³	6.354 in³
Elastic section modulus (Sy)	77.74 cm³	4.744 in³
Plastic section modulus (Zx)	135.41 cm³	8.263 in³
Plastic section modulus (Zy)	95.86 cm³	5.850 in³
Radius of gyration (rx)	4.46 cm	1.757 in
Radius of gyration (ry)	3.03 cm	1.191 in