RHS 90x50x3 Tata Steel Hybox · Weight & Dimensions

Tata Steel Hybox · 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 11 (México) · Caño estructural 90x50 (Argentina)

The RHS 90x50x3 steel profile weighs 6.1 kg/m (4.12 lb/ft), has a depth of 90 mm (3.54 in), flange width 50 mm (1.97 in). Cross-sectional area: 780.823 mm². Moment of inertia Ix = 81.851 cm⁴, Iy = 32.739 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3 mm ≈ 11 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	90 mm	3.54 in
Width (b)	50 mm	1.97 in
Thickness (t)	3 mm	0.12 in
Fillet radius (r)	6 mm	0.24 in
Weight	6.1 kg/m	4.12 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	780.82 mm²	1.210 in²
Moment of inertia (Ix)	81.85 cm⁴	1.97 in⁴
Moment of inertia (Iy)	32.74 cm⁴	0.79 in⁴
Elastic section modulus (Sx)	18.19 cm³	1.110 in³
Elastic section modulus (Sy)	13.1 cm³	0.799 in³
Plastic section modulus (Zx)	22.6 cm³	1.379 in³
Plastic section modulus (Zy)	15.03 cm³	0.917 in³
Radius of gyration (rx)	3.24 cm	1.275 in
Radius of gyration (ry)	2.05 cm	0.806 in