RHS 400x200x17.5 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 400x200x17.5 steel profile weighs 153.0 kg/m (102.82 lb/ft), has a depth of 400 mm (15.75 in), flange width 200 mm (7.87 in). Cross-sectional area: 19,249.226 mm². Moment of inertia Ix = 37,787.894 cm⁴, Iy = 12,520.176 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)	17.5 mm	0.69 in
Fillet radius (r)	26.3 mm	1.03 in
Weight	153.0 kg/m	102.82 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	19,249.23 mm²	29.836 in²
Moment of inertia (Ix)	37,787.89 cm⁴	907.85 in⁴
Moment of inertia (Iy)	12,520.18 cm⁴	300.80 in⁴
Elastic section modulus (Sx)	1,889.39 cm³	115.298 in³
Elastic section modulus (Sy)	1,252.02 cm³	76.403 in³
Plastic section modulus (Zx)	2,401.5 cm³	146.549 in³
Plastic section modulus (Zy)	1,465.33 cm³	89.420 in³
Radius of gyration (rx)	14.01 cm	5.516 in
Radius of gyration (ry)	8.06 cm	3.175 in