RHS 300x200x6.3 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 300x200 cal 4 (México) · Caño estructural 300x200 (Argentina)

The RHS 300x200x6.3 steel profile weighs 47.1 kg/m (31.65 lb/ft), has a depth of 300 mm (11.81 in), flange width 200 mm (7.87 in). Cross-sectional area: 6,004.959 mm². Moment of inertia Ix = 7,624.393 cm⁴, Iy = 4,103.817 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	300 mm	11.81 in
Width (b)	200 mm	7.87 in
Thickness (t)	6.3 mm	0.25 in
Fillet radius (r)	15.8 mm	0.62 in
Weight	47.1 kg/m	31.65 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,004.96 mm²	9.308 in²
Moment of inertia (Ix)	7,624.39 cm⁴	183.18 in⁴
Moment of inertia (Iy)	4,103.82 cm⁴	98.59 in⁴
Elastic section modulus (Sx)	508.29 cm³	31.018 in³
Elastic section modulus (Sy)	410.38 cm³	25.043 in³
Plastic section modulus (Zx)	609.91 cm³	37.219 in³
Plastic section modulus (Zy)	463.19 cm³	28.266 in³
Radius of gyration (rx)	11.27 cm	4.436 in
Radius of gyration (ry)	8.27 cm	3.255 in