RHS 350x250x17.5 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 350x250 (México) · Caño estructural 350x250 (Argentina)

The RHS 350x250x17.5 steel profile weighs 153.0 kg/m (102.82 lb/ft), has a depth of 350 mm (13.78 in), flange width 250 mm (9.84 in). Cross-sectional area: 19,249.226 mm². Moment of inertia Ix = 31,788.298 cm⁴, Iy = 18,716.938 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	350 mm	13.78 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	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)	31,788.3 cm⁴	763.71 in⁴
Moment of inertia (Iy)	18,716.94 cm⁴	449.67 in⁴
Elastic section modulus (Sx)	1,816.47 cm³	110.849 in³
Elastic section modulus (Sy)	1,497.36 cm³	91.375 in³
Plastic section modulus (Zx)	2,233.09 cm³	136.272 in³
Plastic section modulus (Zy)	1,765 cm³	107.707 in³
Radius of gyration (rx)	12.85 cm	5.059 in
Radius of gyration (ry)	9.86 cm	3.882 in