RHS 310x230x11.1 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 310x230 (México) · Caño estructural 310x230 (Argentina)

The RHS 310x230x11.1 steel profile weighs 87.8 kg/m (58.97 lb/ft), has a depth of 310 mm (12.20 in), flange width 230 mm (9.06 in). Cross-sectional area: 11,177.867 mm². Moment of inertia Ix = 15,078.141 cm⁴, Iy = 9,507.043 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	310 mm	12.20 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	87.8 kg/m	58.97 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,177.87 mm²	17.326 in²
Moment of inertia (Ix)	15,078.14 cm⁴	362.25 in⁴
Moment of inertia (Iy)	9,507.04 cm⁴	228.41 in⁴
Elastic section modulus (Sx)	972.78 cm³	59.363 in³
Elastic section modulus (Sy)	826.7 cm³	50.449 in³
Plastic section modulus (Zx)	1,174.27 cm³	71.659 in³
Plastic section modulus (Zy)	957.06 cm³	58.404 in³
Radius of gyration (rx)	11.61 cm	4.573 in
Radius of gyration (ry)	9.22 cm	3.631 in