RHS 300x220x11.1 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 300x220 (México) · Caño estructural 300x220 (Argentina)

The RHS 300x220x11.1 steel profile weighs 84.3 kg/m (56.62 lb/ft), has a depth of 300 mm (11.81 in), flange width 220 mm (8.66 in). Cross-sectional area: 10,733.867 mm². Moment of inertia Ix = 13,468.179 cm⁴, Iy = 8,335.316 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	300 mm	11.81 in
Width (b)	220 mm	8.66 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)	13,468.18 cm⁴	323.57 in⁴
Moment of inertia (Iy)	8,335.32 cm⁴	200.26 in⁴
Elastic section modulus (Sx)	897.88 cm³	54.792 in³
Elastic section modulus (Sy)	757.76 cm³	46.241 in³
Plastic section modulus (Zx)	1,086.87 cm³	66.325 in³
Plastic section modulus (Zy)	878.54 cm³	53.612 in³
Radius of gyration (rx)	11.2 cm	4.410 in
Radius of gyration (ry)	8.81 cm	3.469 in