RHS 220x180x10.3 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 220x180 (México) · Caño estructural 220x180 (Argentina)

The RHS 220x180x10.3 steel profile weighs 59.2 kg/m (39.79 lb/ft), has a depth of 220 mm (8.66 in), flange width 180 mm (7.09 in). Cross-sectional area: 7,542.435 mm². Moment of inertia Ix = 5,121.903 cm⁴, Iy = 3,750.48 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	220 mm	8.66 in
Width (b)	180 mm	7.09 in
Thickness (t)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	59.2 kg/m	39.79 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	7,542.43 mm²	11.691 in²
Moment of inertia (Ix)	5,121.9 cm⁴	123.05 in⁴
Moment of inertia (Iy)	3,750.48 cm⁴	90.11 in⁴
Elastic section modulus (Sx)	465.63 cm³	28.414 in³
Elastic section modulus (Sy)	416.72 cm³	25.430 in³
Plastic section modulus (Zx)	564.03 cm³	34.419 in³
Plastic section modulus (Zy)	491.33 cm³	29.983 in³
Radius of gyration (rx)	8.24 cm	3.244 in
Radius of gyration (ry)	7.05 cm	2.776 in