RHS 100x80x6 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 100x80 cal 4 (México) · Caño estructural 100x80 (Argentina)

The RHS 100x80x6 steel profile weighs 15.1 kg/m (10.15 lb/ft), has a depth of 100 mm (3.94 in), flange width 80 mm (3.15 in). Cross-sectional area: 1,923.292 mm². Moment of inertia Ix = 258.386 cm⁴, Iy = 182.105 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	100 mm	3.94 in
Width (b)	80 mm	3.15 in
Thickness (t)	6 mm	0.24 in
Fillet radius (r)	12 mm	0.47 in
Weight	15.1 kg/m	10.15 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,923.29 mm²	2.981 in²
Moment of inertia (Ix)	258.39 cm⁴	6.21 in⁴
Moment of inertia (Iy)	182.1 cm⁴	4.38 in⁴
Elastic section modulus (Sx)	51.68 cm³	3.154 in³
Elastic section modulus (Sy)	45.53 cm³	2.778 in³
Plastic section modulus (Zx)	63.82 cm³	3.895 in³
Plastic section modulus (Zy)	54.67 cm³	3.336 in³
Radius of gyration (rx)	3.67 cm	1.443 in
Radius of gyration (ry)	3.08 cm	1.211 in