RHS 203x76x7.9 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 203x76 (México) · Caño estructural 203x76 (Argentina)

The RHS 203x76x7.9 steel profile weighs 31.6 kg/m (21.20 lb/ft), has a depth of 203 mm (7.99 in), flange width 76 mm (2.99 in). Cross-sectional area: 3,997.84 mm². Moment of inertia Ix = 1,846.388 cm⁴, Iy = 380.922 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	203 mm	7.99 in
Width (b)	76 mm	2.99 in
Thickness (t)	7.9 mm	0.31 in
Fillet radius (r)	15.8 mm	0.62 in
Weight	31.6 kg/m	21.20 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,997.84 mm²	6.197 in²
Moment of inertia (Ix)	1,846.39 cm⁴	44.36 in⁴
Moment of inertia (Iy)	380.92 cm⁴	9.15 in⁴
Elastic section modulus (Sx)	181.91 cm³	11.101 in³
Elastic section modulus (Sy)	100.24 cm³	6.117 in³
Plastic section modulus (Zx)	239.49 cm³	14.614 in³
Plastic section modulus (Zy)	117.66 cm³	7.180 in³
Radius of gyration (rx)	6.8 cm	2.676 in
Radius of gyration (ry)	3.09 cm	1.215 in