RHS 290x230x11.1 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 290x230 (México) · Caño estructural 290x230 (Argentina)

The RHS 290x230x11.1 steel profile weighs 84.3 kg/m (56.62 lb/ft), has a depth of 290 mm (11.42 in), flange width 230 mm (9.06 in). Cross-sectional area: 10,733.867 mm². Moment of inertia Ix = 12,839.893 cm⁴, Iy = 8,974.706 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	290 mm	11.42 in
Width (b)	230 mm	9.06 in
Thickness (t)	11.1 mm	0.44 in
Fillet radius (r)	22.2 mm	0.87 in
Weight	84.3 kg/m	56.62 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,733.87 mm²	16.637 in²
Moment of inertia (Ix)	12,839.89 cm⁴	308.48 in⁴
Moment of inertia (Iy)	8,974.71 cm⁴	215.62 in⁴
Elastic section modulus (Sx)	885.51 cm³	54.037 in³
Elastic section modulus (Sy)	780.41 cm³	47.624 in³
Plastic section modulus (Zx)	1,064.71 cm³	64.973 in³
Plastic section modulus (Zy)	908.47 cm³	55.438 in³
Radius of gyration (rx)	10.94 cm	4.306 in
Radius of gyration (ry)	9.14 cm	3.600 in