RHS 160x80x3 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 160x80 cal 11 (México) · Caño estructural 160x80 (Argentina)

The RHS 160x80x3 steel profile weighs 10.8 kg/m (7.26 lb/ft), has a depth of 160 mm (6.30 in), flange width 80 mm (3.15 in). Cross-sectional area: 1,380.823 mm². Moment of inertia Ix = 463.814 cm⁴, Iy = 159.027 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3 mm ≈ 11 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	160 mm	6.30 in
Width (b)	80 mm	3.15 in
Thickness (t)	3 mm	0.12 in
Fillet radius (r)	6 mm	0.24 in
Weight	10.8 kg/m	7.26 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,380.82 mm²	2.140 in²
Moment of inertia (Ix)	463.81 cm⁴	11.14 in⁴
Moment of inertia (Iy)	159.03 cm⁴	3.82 in⁴
Elastic section modulus (Sx)	57.98 cm³	3.538 in³
Elastic section modulus (Sy)	39.76 cm³	2.426 in³
Plastic section modulus (Zx)	71.41 cm³	4.358 in³
Plastic section modulus (Zy)	44.26 cm³	2.701 in³
Radius of gyration (rx)	5.8 cm	2.282 in
Radius of gyration (ry)	3.39 cm	1.336 in