RHS 122x61x5.4 Tata Steel · Weight & Dimensions

Tata Steel, cold-formed sections · 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 122x61 (México) · Caño estructural 122x61 (Argentina)

The RHS 122x61x5.4 steel profile weighs 14.0 kg/m (9.41 lb/ft), has a depth of 122 mm (4.80 in), flange width 61 mm (2.40 in). Cross-sectional area: 1,784.667 mm². Moment of inertia Ix = 320.832 cm⁴, Iy = 107.027 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 5.4 mm ≈ 6 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	122 mm	4.80 in
Width (b)	61 mm	2.40 in
Thickness (t)	5.4 mm	0.21 in
Fillet radius (r)	10.8 mm	0.43 in
Weight	14.0 kg/m	9.41 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,784.67 mm²	2.766 in²
Moment of inertia (Ix)	320.83 cm⁴	7.71 in⁴
Moment of inertia (Iy)	107.03 cm⁴	2.57 in⁴
Elastic section modulus (Sx)	52.6 cm³	3.210 in³
Elastic section modulus (Sy)	35.09 cm³	2.141 in³
Plastic section modulus (Zx)	67.29 cm³	4.106 in³
Plastic section modulus (Zy)	41.22 cm³	2.515 in³
Radius of gyration (rx)	4.24 cm	1.669 in
Radius of gyration (ry)	2.45 cm	0.964 in