RHS 203x76x4.8 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 203x76 cal 6 (México) · Caño estructural 203x76 (Argentina)

The RHS 203x76x4.8 steel profile weighs 19.7 kg/m (13.24 lb/ft), has a depth of 203 mm (7.99 in), flange width 76 mm (2.99 in). Cross-sectional area: 2,526.907 mm². Moment of inertia Ix = 1,235.342 cm⁴, Iy = 262.624 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4.8 mm ≈ 7 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	203 mm	7.99 in
Width (b)	76 mm	2.99 in
Thickness (t)	4.8 mm	0.19 in
Fillet radius (r)	9.6 mm	0.38 in
Weight	19.7 kg/m	13.24 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,526.91 mm²	3.917 in²
Moment of inertia (Ix)	1,235.34 cm⁴	29.68 in⁴
Moment of inertia (Iy)	262.62 cm⁴	6.31 in⁴
Elastic section modulus (Sx)	121.71 cm³	7.427 in³
Elastic section modulus (Sy)	69.11 cm³	4.217 in³
Plastic section modulus (Zx)	156.1 cm³	9.526 in³
Plastic section modulus (Zy)	77.76 cm³	4.745 in³
Radius of gyration (rx)	6.99 cm	2.753 in
Radius of gyration (ry)	3.22 cm	1.269 in