RHS 400x200x12.5 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 400x200 (México) · Caño estructural 400x200 (Argentina)

The RHS 400x200x12.5 steel profile weighs 112.0 kg/m (75.26 lb/ft), has a depth of 400 mm (15.75 in), flange width 200 mm (7.87 in). Cross-sectional area: 14,106.748 mm². Moment of inertia Ix = 28,721.029 cm⁴, Iy = 9,666.076 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)	12.5 mm	0.49 in
Fillet radius (r)	18.8 mm	0.74 in
Weight	112.0 kg/m	75.26 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	14,106.75 mm²	21.865 in²
Moment of inertia (Ix)	28,721.03 cm⁴	690.02 in⁴
Moment of inertia (Iy)	9,666.08 cm⁴	232.23 in⁴
Elastic section modulus (Sx)	1,436.05 cm³	87.634 in³
Elastic section modulus (Sy)	966.61 cm³	58.986 in³
Plastic section modulus (Zx)	1,794.8 cm³	109.526 in³
Plastic section modulus (Zy)	1,102.88 cm³	67.302 in³
Radius of gyration (rx)	14.27 cm	5.618 in
Radius of gyration (ry)	8.28 cm	3.259 in