RHS 400x200x6 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 400x200 cal 4 (México) · Caño estructural 400x200 (Argentina)

The RHS 400x200x6 steel profile weighs 54.7 kg/m (36.76 lb/ft), has a depth of 400 mm (15.75 in), flange width 200 mm (7.87 in). Cross-sectional area: 6,963.292 mm². Moment of inertia Ix = 14,789.354 cm⁴, Iy = 5,091.628 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	400 mm	15.75 in
Width (b)	200 mm	7.87 in
Thickness (t)	6 mm	0.24 in
Fillet radius (r)	12 mm	0.47 in
Weight	54.7 kg/m	36.76 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,963.29 mm²	10.793 in²
Moment of inertia (Ix)	14,789.35 cm⁴	355.31 in⁴
Moment of inertia (Iy)	5,091.63 cm⁴	122.33 in⁴
Elastic section modulus (Sx)	739.47 cm³	45.125 in³
Elastic section modulus (Sy)	509.16 cm³	31.071 in³
Plastic section modulus (Zx)	905.99 cm³	55.287 in³
Plastic section modulus (Zy)	562.47 cm³	34.324 in³
Radius of gyration (rx)	14.57 cm	5.738 in
Radius of gyration (ry)	8.55 cm	3.367 in