RHS 400x200x12 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 (México) · Caño estructural 400x200 (Argentina)

The RHS 400x200x12 steel profile weighs 104.0 kg/m (69.89 lb/ft), has a depth of 400 mm (15.75 in), flange width 200 mm (7.87 in). Cross-sectional area: 13,205.947 mm². Moment of inertia Ix = 26,248.42 cm⁴, Iy = 8,977.261 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	400 mm	15.75 in
Width (b)	200 mm	7.87 in
Thickness (t)	12 mm	0.47 in
Fillet radius (r)	36 mm	1.42 in
Weight	104.0 kg/m	69.89 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	13,205.95 mm²	20.469 in²
Moment of inertia (Ix)	26,248.42 cm⁴	630.62 in⁴
Moment of inertia (Iy)	8,977.26 cm⁴	215.68 in⁴
Elastic section modulus (Sx)	1,312.42 cm³	80.089 in³
Elastic section modulus (Sy)	897.73 cm³	54.783 in³
Plastic section modulus (Zx)	1,656.21 cm³	101.068 in³
Plastic section modulus (Zy)	1,026.81 cm³	62.660 in³
Radius of gyration (rx)	14.1 cm	5.551 in
Radius of gyration (ry)	8.24 cm	3.246 in