RHS 180x130x10.3 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 180x130 (México) · Caño estructural 180x130 (Argentina)

The RHS 180x130x10.3 steel profile weighs 44.6 kg/m (30.00 lb/ft), has a depth of 180 mm (7.09 in), flange width 130 mm (5.12 in). Cross-sectional area: 5,688.435 mm². Moment of inertia Ix = 2,414.05 cm⁴, Iy = 1,447.87 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)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	44.6 kg/m	30.00 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,688.43 mm²	8.817 in²
Moment of inertia (Ix)	2,414.05 cm⁴	58.00 in⁴
Moment of inertia (Iy)	1,447.87 cm⁴	34.79 in⁴
Elastic section modulus (Sx)	268.23 cm³	16.368 in³
Elastic section modulus (Sy)	222.75 cm³	13.593 in³
Plastic section modulus (Zx)	334.02 cm³	20.383 in³
Plastic section modulus (Zy)	266.33 cm³	16.253 in³
Radius of gyration (rx)	6.51 cm	2.565 in
Radius of gyration (ry)	5.05 cm	1.986 in