RHS 500x300x6.3 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 500x300 cal 4 (México) · Caño estructural 500x300 (Argentina)

The RHS 500x300x6.3 steel profile weighs 76.8 kg/m (51.61 lb/ft), has a depth of 500 mm (19.69 in), flange width 300 mm (11.81 in). Cross-sectional area: 9,784.959 mm². Moment of inertia Ix = 34,345.777 cm⁴, Iy = 15,777.184 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.3 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	500 mm	19.69 in
Width (b)	300 mm	11.81 in
Thickness (t)	6.3 mm	0.25 in
Fillet radius (r)	15.8 mm	0.62 in
Weight	76.8 kg/m	51.61 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,784.96 mm²	15.167 in²
Moment of inertia (Ix)	34,345.78 cm⁴	825.16 in⁴
Moment of inertia (Iy)	15,777.18 cm⁴	379.05 in⁴
Elastic section modulus (Sx)	1,373.83 cm³	83.837 in³
Elastic section modulus (Sy)	1,051.81 cm³	64.186 in³
Plastic section modulus (Zx)	1,647.44 cm³	100.533 in³
Plastic section modulus (Zy)	1,165 cm³	71.093 in³
Radius of gyration (rx)	18.74 cm	7.376 in
Radius of gyration (ry)	12.7 cm	4.999 in