RHS 140x80x6 Tata Steel Hybox · Weight & Dimensions

Tata Steel Hybox · 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 140x80 cal 4 (México) · Caño estructural 140x80 (Argentina)

The RHS 140x80x6 steel profile weighs 18.9 kg/m (12.70 lb/ft), has a depth of 140 mm (5.51 in), flange width 80 mm (3.15 in). Cross-sectional area: 2,403.292 mm². Moment of inertia Ix = 597.002 cm⁴, Iy = 247.961 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6 mm ≈ 4 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	140 mm	5.51 in
Width (b)	80 mm	3.15 in
Thickness (t)	6 mm	0.24 in
Fillet radius (r)	12 mm	0.47 in
Weight	18.9 kg/m	12.70 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,403.29 mm²	3.725 in²
Moment of inertia (Ix)	597 cm⁴	14.34 in⁴
Moment of inertia (Iy)	247.96 cm⁴	5.96 in⁴
Elastic section modulus (Sx)	85.29 cm³	5.204 in³
Elastic section modulus (Sy)	61.99 cm³	3.783 in³
Plastic section modulus (Zx)	107.09 cm³	6.535 in³
Plastic section modulus (Zy)	72.43 cm³	4.420 in³
Radius of gyration (rx)	4.98 cm	1.962 in
Radius of gyration (ry)	3.21 cm	1.265 in