RHS 130x80x10.3 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 130x80x10.3 steel profile weighs 28.5 kg/m (19.14 lb/ft), has a depth of 130 mm (5.12 in), flange width 80 mm (3.15 in). Cross-sectional area: 3,628.435 mm². Moment of inertia Ix = 708.152 cm⁴, Iy = 324.277 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)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	28.5 kg/m	19.14 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,628.43 mm²	5.624 in²
Moment of inertia (Ix)	708.15 cm⁴	17.01 in⁴
Moment of inertia (Iy)	324.28 cm⁴	7.79 in⁴
Elastic section modulus (Sx)	108.95 cm³	6.648 in³
Elastic section modulus (Sy)	81.07 cm³	4.947 in³
Plastic section modulus (Zx)	143.04 cm³	8.729 in³
Plastic section modulus (Zy)	101.1 cm³	6.170 in³
Radius of gyration (rx)	4.42 cm	1.739 in
Radius of gyration (ry)	2.99 cm	1.177 in