RHS 90x50x5 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 90x50 cal 6 (México) · Caño estructural 90x50 (Argentina)

The RHS 90x50x5 steel profile weighs 9.7 kg/m (6.52 lb/ft), has a depth of 90 mm (3.54 in), flange width 50 mm (1.97 in). Cross-sectional area: 1,235.619 mm². Moment of inertia Ix = 120.6 cm⁴, Iy = 47.371 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 5 mm ≈ 6 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	90 mm	3.54 in
Width (b)	50 mm	1.97 in
Thickness (t)	5 mm	0.20 in
Fillet radius (r)	10 mm	0.39 in
Weight	9.7 kg/m	6.52 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,235.62 mm²	1.915 in²
Moment of inertia (Ix)	120.6 cm⁴	2.90 in⁴
Moment of inertia (Iy)	47.37 cm⁴	1.14 in⁴
Elastic section modulus (Sx)	26.8 cm³	1.635 in³
Elastic section modulus (Sy)	18.95 cm³	1.156 in³
Plastic section modulus (Zx)	34.41 cm³	2.100 in³
Plastic section modulus (Zy)	22.7 cm³	1.385 in³
Radius of gyration (rx)	3.12 cm	1.230 in
Radius of gyration (ry)	1.96 cm	0.771 in