RHS 450x250x17.5 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 450x250 (México) · Caño estructural 450x250 (Argentina)

The RHS 450x250x17.5 steel profile weighs 180.0 kg/m (120.96 lb/ft), has a depth of 450 mm (17.72 in), flange width 250 mm (9.84 in). Cross-sectional area: 22,749.226 mm². Moment of inertia Ix = 59,223.124 cm⁴, Iy = 23,455.792 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	450 mm	17.72 in
Width (b)	250 mm	9.84 in
Thickness (t)	17.5 mm	0.69 in
Fillet radius (r)	26.3 mm	1.03 in
Weight	180.0 kg/m	120.96 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	22,749.23 mm²	35.261 in²
Moment of inertia (Ix)	59,223.12 cm⁴	1422.84 in⁴
Moment of inertia (Iy)	23,455.79 cm⁴	563.53 in⁴
Elastic section modulus (Sx)	2,632.14 cm³	160.624 in³
Elastic section modulus (Sy)	1,876.46 cm³	114.509 in³
Plastic section modulus (Zx)	3,283.05 cm³	200.345 in³
Plastic section modulus (Zy)	2,171.87 cm³	132.536 in³
Radius of gyration (rx)	16.13 cm	6.352 in
Radius of gyration (ry)	10.15 cm	3.998 in