RHS 350x250x6.3 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 cal 4 (México) · Caño estructural 350x250 (Argentina)

The RHS 350x250x6.3 steel profile weighs 57.8 kg/m (38.84 lb/ft), has a depth of 350 mm (13.78 in), flange width 250 mm (9.84 in). Cross-sectional area: 7,333.1 mm². Moment of inertia Ix = 13,131.6 cm⁴, Iy = 7,850.095 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.3 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	350 mm	13.78 in
Width (b)	250 mm	9.84 in
Thickness (t)	6.3 mm	0.25 in
Fillet radius (r)	9.4 mm	0.37 in
Weight	57.8 kg/m	38.84 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	7,333.1 mm²	11.366 in²
Moment of inertia (Ix)	13,131.6 cm⁴	315.49 in⁴
Moment of inertia (Iy)	7,850.1 cm⁴	188.60 in⁴
Elastic section modulus (Sx)	750.38 cm³	45.791 in³
Elastic section modulus (Sy)	628.01 cm³	38.324 in³
Plastic section modulus (Zx)	888.1 cm³	54.195 in³
Plastic section modulus (Zy)	706.47 cm³	43.112 in³
Radius of gyration (rx)	13.38 cm	5.268 in
Radius of gyration (ry)	10.35 cm	4.073 in