RHS 90x50x3.6 Tata Steel Celsius · Weight & Dimensions

Tata Steel Celsius · 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 (México) · Caño estructural 90x50 (Argentina)

The RHS 90x50x3.6 steel profile weighs 7.4 kg/m (4.97 lb/ft), has a depth of 90 mm (3.54 in), flange width 50 mm (1.97 in). Cross-sectional area: 933.91 mm². Moment of inertia Ix = 96.948 cm⁴, Iy = 38.355 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3.6 mm ≈ 9 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	90 mm	3.54 in
Width (b)	50 mm	1.97 in
Thickness (t)	3.6 mm	0.14 in
Fillet radius (r)	5.4 mm	0.21 in
Weight	7.4 kg/m	4.97 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	933.91 mm²	1.448 in²
Moment of inertia (Ix)	96.95 cm⁴	2.33 in⁴
Moment of inertia (Iy)	38.36 cm⁴	0.92 in⁴
Elastic section modulus (Sx)	21.54 cm³	1.315 in³
Elastic section modulus (Sy)	15.34 cm³	0.936 in³
Plastic section modulus (Zx)	26.91 cm³	1.642 in³
Plastic section modulus (Zy)	17.79 cm³	1.086 in³
Radius of gyration (rx)	3.22 cm	1.268 in
Radius of gyration (ry)	2.03 cm	0.798 in