RHS 120x80x5 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 6 (México) · Caño estructural 120x80 (Argentina)

The RHS 120x80x5 steel profile weighs 14.7 kg/m (9.88 lb/ft), has a depth of 120 mm (4.72 in), flange width 80 mm (3.15 in). Cross-sectional area: 1,857.08 mm². Moment of inertia Ix = 360.738 cm⁴, Iy = 191.118 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 5 mm ≈ 6 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	120 mm	4.72 in
Width (b)	80 mm	3.15 in
Thickness (t)	5 mm	0.20 in
Fillet radius (r)	7.5 mm	0.30 in
Weight	14.7 kg/m	9.88 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,857.08 mm²	2.878 in²
Moment of inertia (Ix)	360.74 cm⁴	8.67 in⁴
Moment of inertia (Iy)	191.12 cm⁴	4.59 in⁴
Elastic section modulus (Sx)	60.12 cm³	3.669 in³
Elastic section modulus (Sy)	47.78 cm³	2.916 in³
Plastic section modulus (Zx)	73.73 cm³	4.499 in³
Plastic section modulus (Zy)	55.58 cm³	3.392 in³
Radius of gyration (rx)	4.41 cm	1.735 in
Radius of gyration (ry)	3.21 cm	1.263 in