RHS 120x80x6.3 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 120x80 cal 4 (México) · Caño estructural 120x80 (Argentina)

The RHS 120x80x6.3 steel profile weighs 18.2 kg/m (12.23 lb/ft), has a depth of 120 mm (4.72 in), flange width 80 mm (3.15 in). Cross-sectional area: 2,293.1 mm². Moment of inertia Ix = 432.868 cm⁴, Iy = 227.866 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.3 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	120 mm	4.72 in
Width (b)	80 mm	3.15 in
Thickness (t)	6.3 mm	0.25 in
Fillet radius (r)	9.4 mm	0.37 in
Weight	18.2 kg/m	12.23 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,293.1 mm²	3.554 in²
Moment of inertia (Ix)	432.87 cm⁴	10.40 in⁴
Moment of inertia (Iy)	227.87 cm⁴	5.47 in⁴
Elastic section modulus (Sx)	72.14 cm³	4.403 in³
Elastic section modulus (Sy)	56.97 cm³	3.476 in³
Plastic section modulus (Zx)	89.65 cm³	5.471 in³
Plastic section modulus (Zy)	67.4 cm³	4.113 in³
Radius of gyration (rx)	4.34 cm	1.711 in
Radius of gyration (ry)	3.15 cm	1.241 in