RHS 220x80x4 Tuflesa · Weight & Dimensions

Tuflesa, 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 220x80 cal 8 (México) · Caño estructural 220x80 (Argentina)

The RHS 220x80x4 steel profile weighs 18.1 kg/m (12.18 lb/ft), has a depth of 220 mm (8.66 in), flange width 80 mm (3.15 in). Cross-sectional area: 2,308.531 mm². Moment of inertia Ix = 1,349.125 cm⁴, Iy = 275.073 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4 mm ≈ 8 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	220 mm	8.66 in
Width (b)	80 mm	3.15 in
Thickness (t)	4 mm	0.16 in
Fillet radius (r)	6 mm	0.24 in
Weight	18.1 kg/m	12.18 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,308.53 mm²	3.578 in²
Moment of inertia (Ix)	1,349.12 cm⁴	32.41 in⁴
Moment of inertia (Iy)	275.07 cm⁴	6.61 in⁴
Elastic section modulus (Sx)	122.65 cm³	7.484 in³
Elastic section modulus (Sy)	68.77 cm³	4.197 in³
Plastic section modulus (Zx)	156.01 cm³	9.521 in³
Plastic section modulus (Zy)	76.18 cm³	4.649 in³
Radius of gyration (rx)	7.64 cm	3.010 in
Radius of gyration (ry)	3.45 cm	1.359 in