RHS 203x152x4.8 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 203x152 cal 6 (México) · Caño estructural 203x152 (Argentina)

The RHS 203x152x4.8 steel profile weighs 25.4 kg/m (17.09 lb/ft), has a depth of 203 mm (7.99 in), flange width 152 mm (5.98 in). Cross-sectional area: 3,256.507 mm². Moment of inertia Ix = 1,952.008 cm⁴, Iy = 1,253.586 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)	152 mm	5.98 in
Thickness (t)	4.8 mm	0.19 in
Fillet radius (r)	9.6 mm	0.38 in
Weight	25.4 kg/m	17.09 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,256.51 mm²	5.048 in²
Moment of inertia (Ix)	1,952.01 cm⁴	46.90 in⁴
Moment of inertia (Iy)	1,253.59 cm⁴	30.12 in⁴
Elastic section modulus (Sx)	192.32 cm³	11.736 in³
Elastic section modulus (Sy)	164.95 cm³	10.066 in³
Plastic section modulus (Zx)	228.41 cm³	13.938 in³
Plastic section modulus (Zy)	187.64 cm³	11.451 in³
Radius of gyration (rx)	7.74 cm	3.048 in
Radius of gyration (ry)	6.2 cm	2.443 in