RHS 50x30x4 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 50x30 cal 8 (México) · Caño estructural 50x30 (Argentina)

The RHS 50x30x4 steel profile weighs 4.4 kg/m (2.95 lb/ft), has a depth of 50 mm (1.97 in), flange width 30 mm (1.18 in). Cross-sectional area: 548.531 mm². Moment of inertia Ix = 16.078 cm⁴, Iy = 6.981 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4 mm ≈ 8 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	50 mm	1.97 in
Width (b)	30 mm	1.18 in
Thickness (t)	4 mm	0.16 in
Fillet radius (r)	6 mm	0.24 in
Weight	4.4 kg/m	2.95 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	548.53 mm²	0.850 in²
Moment of inertia (Ix)	16.08 cm⁴	0.39 in⁴
Moment of inertia (Iy)	6.98 cm⁴	0.17 in⁴
Elastic section modulus (Sx)	6.43 cm³	0.392 in³
Elastic section modulus (Sy)	4.65 cm³	0.284 in³
Plastic section modulus (Zx)	8.39 cm³	0.512 in³
Plastic section modulus (Zy)	5.78 cm³	0.353 in³
Radius of gyration (rx)	1.71 cm	0.674 in
Radius of gyration (ry)	1.13 cm	0.444 in