RHS 290x230x8.2 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 290x230x8.2 steel profile weighs 63.5 kg/m (42.65 lb/ft), has a depth of 290 mm (11.42 in), flange width 230 mm (9.06 in). Cross-sectional area: 8,085.882 mm². Moment of inertia Ix = 9,933.382 cm⁴, Iy = 6,961.063 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)	8.2 mm	0.32 in
Fillet radius (r)	16.4 mm	0.65 in
Weight	63.5 kg/m	42.65 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	8,085.88 mm²	12.533 in²
Moment of inertia (Ix)	9,933.38 cm⁴	238.65 in⁴
Moment of inertia (Iy)	6,961.06 cm⁴	167.24 in⁴
Elastic section modulus (Sx)	685.06 cm³	41.805 in³
Elastic section modulus (Sy)	605.31 cm³	36.938 in³
Plastic section modulus (Zx)	813.55 cm³	49.646 in³
Plastic section modulus (Zy)	694.86 cm³	42.403 in³
Radius of gyration (rx)	11.08 cm	4.364 in
Radius of gyration (ry)	9.28 cm	3.653 in