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

The RHS 300x200x6.3 steel profile weighs 47.9 kg/m (32.19 lb/ft), has a depth of 300 mm (11.81 in), flange width 200 mm (7.87 in). Cross-sectional area: 6,073.1 mm². Moment of inertia Ix = 7,777.509 cm⁴, Iy = 4,171.779 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)	9.4 mm	0.37 in
Weight	47.9 kg/m	32.19 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,073.1 mm²	9.413 in²
Moment of inertia (Ix)	7,777.51 cm⁴	186.85 in⁴
Moment of inertia (Iy)	4,171.78 cm⁴	100.23 in⁴
Elastic section modulus (Sx)	518.5 cm³	31.641 in³
Elastic section modulus (Sy)	417.18 cm³	25.458 in³
Plastic section modulus (Zx)	620.13 cm³	37.843 in³
Plastic section modulus (Zy)	470.01 cm³	28.682 in³
Radius of gyration (rx)	11.32 cm	4.455 in
Radius of gyration (ry)	8.29 cm	3.263 in