RHS 152x51x7.9 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 152x51 (México) · Caño estructural 152x51 (Argentina)

The RHS 152x51x7.9 steel profile weighs 22.1 kg/m (14.84 lb/ft), has a depth of 152 mm (5.98 in), flange width 51 mm (2.01 in). Cross-sectional area: 2,797.04 mm². Moment of inertia Ix = 662.242 cm⁴, Iy = 109.345 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	152 mm	5.98 in
Width (b)	51 mm	2.01 in
Thickness (t)	7.9 mm	0.31 in
Fillet radius (r)	15.8 mm	0.62 in
Weight	22.1 kg/m	14.84 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,797.04 mm²	4.335 in²
Moment of inertia (Ix)	662.24 cm⁴	15.91 in⁴
Moment of inertia (Iy)	109.35 cm⁴	2.63 in⁴
Elastic section modulus (Sx)	87.14 cm³	5.317 in³
Elastic section modulus (Sy)	42.88 cm³	2.617 in³
Plastic section modulus (Zx)	119.36 cm³	7.284 in³
Plastic section modulus (Zy)	52.79 cm³	3.221 in³
Radius of gyration (rx)	4.87 cm	1.916 in
Radius of gyration (ry)	1.98 cm	0.778 in