RHS 90x50x6 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 4 (México) · Caño estructural 90x50 (Argentina)

The RHS 90x50x6 steel profile weighs 11.3 kg/m (7.61 lb/ft), has a depth of 90 mm (3.54 in), flange width 50 mm (1.97 in). Cross-sectional area: 1,443.292 mm². Moment of inertia Ix = 135.661 cm⁴, Iy = 52.83 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	90 mm	3.54 in
Width (b)	50 mm	1.97 in
Thickness (t)	6 mm	0.24 in
Fillet radius (r)	12 mm	0.47 in
Weight	11.3 kg/m	7.61 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,443.29 mm²	2.237 in²
Moment of inertia (Ix)	135.66 cm⁴	3.26 in⁴
Moment of inertia (Iy)	52.83 cm⁴	1.27 in⁴
Elastic section modulus (Sx)	30.15 cm³	1.840 in³
Elastic section modulus (Sy)	21.13 cm³	1.290 in³
Plastic section modulus (Zx)	39.38 cm³	2.403 in³
Plastic section modulus (Zy)	25.88 cm³	1.579 in³
Radius of gyration (rx)	3.07 cm	1.207 in
Radius of gyration (ry)	1.91 cm	0.753 in