RHS 508x203x9.5 IMCA · Weight & Dimensions

IMCA, cold-formed sections · 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 508x203 (México) · Caño estructural 508x203 (Argentina)

The RHS 508x203x9.5 steel profile weighs 101.8 kg/m (68.40 lb/ft), has a depth of 508 mm (20.00 in), flange width 203 mm (7.99 in). Cross-sectional area: 12,915.586 mm². Moment of inertia Ix = 41,000.423 cm⁴, Iy = 9,797.513 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	508 mm	20.00 in
Width (b)	203 mm	7.99 in
Thickness (t)	9.5 mm	0.37 in
Fillet radius (r)	19 mm	0.75 in
Weight	101.8 kg/m	68.40 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	12,915.59 mm²	20.019 in²
Moment of inertia (Ix)	41,000.42 cm⁴	985.04 in⁴
Moment of inertia (Iy)	9,797.51 cm⁴	235.39 in⁴
Elastic section modulus (Sx)	1,614.19 cm³	98.504 in³
Elastic section modulus (Sy)	965.27 cm³	58.905 in³
Plastic section modulus (Zx)	2,038.56 cm³	124.401 in³
Plastic section modulus (Zy)	1,071.47 cm³	65.385 in³
Radius of gyration (rx)	17.82 cm	7.015 in
Radius of gyration (ry)	8.71 cm	3.429 in