RHS 203x152x7.9 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 (México) · Caño estructural 203x152 (Argentina)

The RHS 203x152x7.9 steel profile weighs 41.1 kg/m (27.60 lb/ft), has a depth of 203 mm (7.99 in), flange width 152 mm (5.98 in). Cross-sectional area: 5,198.64 mm². Moment of inertia Ix = 2,989.695 cm⁴, Iy = 1,910.21 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	203 mm	7.99 in
Width (b)	152 mm	5.98 in
Thickness (t)	7.9 mm	0.31 in
Fillet radius (r)	15.8 mm	0.62 in
Weight	41.1 kg/m	27.60 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,198.64 mm²	8.058 in²
Moment of inertia (Ix)	2,989.69 cm⁴	71.83 in⁴
Moment of inertia (Iy)	1,910.21 cm⁴	45.89 in⁴
Elastic section modulus (Sx)	294.55 cm³	17.975 in³
Elastic section modulus (Sy)	251.34 cm³	15.338 in³
Plastic section modulus (Zx)	356.62 cm³	21.763 in³
Plastic section modulus (Zy)	292.39 cm³	17.843 in³
Radius of gyration (rx)	7.58 cm	2.986 in
Radius of gyration (ry)	6.06 cm	2.386 in