RHS 220x80x6 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 4 (México) · Caño estructural 220x80 (Argentina)

The RHS 220x80x6 steel profile weighs 26.4 kg/m (17.74 lb/ft), has a depth of 220 mm (8.66 in), flange width 80 mm (3.15 in). Cross-sectional area: 3,363.292 mm². Moment of inertia Ix = 1,889.424 cm⁴, Iy = 379.673 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6 mm ≈ 4 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	220 mm	8.66 in
Width (b)	80 mm	3.15 in
Thickness (t)	6 mm	0.24 in
Fillet radius (r)	12 mm	0.47 in
Weight	26.4 kg/m	17.74 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,363.29 mm²	5.213 in²
Moment of inertia (Ix)	1,889.42 cm⁴	45.39 in⁴
Moment of inertia (Iy)	379.67 cm⁴	9.12 in⁴
Elastic section modulus (Sx)	171.77 cm³	10.482 in³
Elastic section modulus (Sy)	94.92 cm³	5.792 in³
Plastic section modulus (Zx)	222.42 cm³	13.573 in³
Plastic section modulus (Zy)	107.95 cm³	6.587 in³
Radius of gyration (rx)	7.5 cm	2.951 in
Radius of gyration (ry)	3.36 cm	1.323 in