RHS 160x80x4 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 160x80 cal 8 (México) · Caño estructural 160x80 (Argentina)

The RHS 160x80x4 steel profile weighs 14.4 kg/m (9.68 lb/ft), has a depth of 160 mm (6.30 in), flange width 80 mm (3.15 in). Cross-sectional area: 1,828.531 mm². Moment of inertia Ix = 606.417 cm⁴, Iy = 205.697 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	160 mm	6.30 in
Width (b)	80 mm	3.15 in
Thickness (t)	4 mm	0.16 in
Fillet radius (r)	6 mm	0.24 in
Weight	14.4 kg/m	9.68 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,828.53 mm²	2.834 in²
Moment of inertia (Ix)	606.42 cm⁴	14.57 in⁴
Moment of inertia (Iy)	205.7 cm⁴	4.94 in⁴
Elastic section modulus (Sx)	75.8 cm³	4.626 in³
Elastic section modulus (Sy)	51.42 cm³	3.138 in³
Plastic section modulus (Zx)	93.96 cm³	5.734 in³
Plastic section modulus (Zy)	57.94 cm³	3.535 in³
Radius of gyration (rx)	5.76 cm	2.267 in
Radius of gyration (ry)	3.35 cm	1.320 in