RHS 280x240x10.3 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 280x240 (México) · Caño estructural 280x240 (Argentina)

The RHS 280x240x10.3 steel profile weighs 78.6 kg/m (52.83 lb/ft), has a depth of 280 mm (11.02 in), flange width 240 mm (9.45 in). Cross-sectional area: 10,014.435 mm². Moment of inertia Ix = 11,470.657 cm⁴, Iy = 9,045.821 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	280 mm	11.02 in
Width (b)	240 mm	9.45 in
Thickness (t)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	78.6 kg/m	52.83 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,014.43 mm²	15.522 in²
Moment of inertia (Ix)	11,470.66 cm⁴	275.58 in⁴
Moment of inertia (Iy)	9,045.82 cm⁴	217.33 in⁴
Elastic section modulus (Sx)	819.33 cm³	49.999 in³
Elastic section modulus (Sy)	753.82 cm³	46.001 in³
Plastic section modulus (Zx)	975.51 cm³	59.530 in³
Plastic section modulus (Zy)	878.1 cm³	53.585 in³
Radius of gyration (rx)	10.7 cm	4.214 in
Radius of gyration (ry)	9.5 cm	3.742 in