RHS 240x120x4 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 240x120 cal 8 (México) · Caño estructural 240x120 (Argentina)

The RHS 240x120x4 steel profile weighs 21.8 kg/m (14.64 lb/ft), has a depth of 240 mm (9.45 in), flange width 120 mm (4.72 in). Cross-sectional area: 2,774.796 mm². Moment of inertia Ix = 2,110.724 cm⁴, Iy = 725.348 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	240 mm	9.45 in
Width (b)	120 mm	4.72 in
Thickness (t)	4 mm	0.16 in
Fillet radius (r)	8 mm	0.31 in
Weight	21.8 kg/m	14.64 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,774.8 mm²	4.301 in²
Moment of inertia (Ix)	2,110.72 cm⁴	50.71 in⁴
Moment of inertia (Iy)	725.35 cm⁴	17.43 in⁴
Elastic section modulus (Sx)	175.89 cm³	10.734 in³
Elastic section modulus (Sy)	120.89 cm³	7.377 in³
Plastic section modulus (Zx)	216.01 cm³	13.182 in³
Plastic section modulus (Zy)	134.01 cm³	8.178 in³
Radius of gyration (rx)	8.72 cm	3.434 in
Radius of gyration (ry)	5.11 cm	2.013 in