RHS 80x50x8 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 80x50 (México) · Caño estructural 80x50 (Argentina)

The RHS 80x50x8 steel profile weighs 13.0 kg/m (8.75 lb/ft), has a depth of 80 mm (3.15 in), flange width 50 mm (1.97 in). Cross-sectional area: 1,659.186 mm². Moment of inertia Ix = 114.731 cm⁴, Iy = 53.369 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	80 mm	3.15 in
Width (b)	50 mm	1.97 in
Thickness (t)	8 mm	0.31 in
Fillet radius (r)	16 mm	0.63 in
Weight	13.0 kg/m	8.75 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,659.19 mm²	2.572 in²
Moment of inertia (Ix)	114.73 cm⁴	2.76 in⁴
Moment of inertia (Iy)	53.37 cm⁴	1.28 in⁴
Elastic section modulus (Sx)	28.68 cm³	1.750 in³
Elastic section modulus (Sy)	21.35 cm³	1.303 in³
Plastic section modulus (Zx)	38.84 cm³	2.370 in³
Plastic section modulus (Zy)	27.63 cm³	1.686 in³
Radius of gyration (rx)	2.63 cm	1.035 in
Radius of gyration (ry)	1.79 cm	0.706 in