RHS 152x51x4.8 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 152x51 cal 6 (México) · Caño estructural 152x51 (Argentina)

The RHS 152x51x4.8 steel profile weighs 14.0 kg/m (9.43 lb/ft), has a depth of 152 mm (5.98 in), flange width 51 mm (2.01 in). Cross-sectional area: 1,797.307 mm². Moment of inertia Ix = 462.863 cm⁴, Iy = 80.244 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	152 mm	5.98 in
Width (b)	51 mm	2.01 in
Thickness (t)	4.8 mm	0.19 in
Fillet radius (r)	9.6 mm	0.38 in
Weight	14.0 kg/m	9.43 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,797.31 mm²	2.786 in²
Moment of inertia (Ix)	462.86 cm⁴	11.12 in⁴
Moment of inertia (Iy)	80.24 cm⁴	1.93 in⁴
Elastic section modulus (Sx)	60.9 cm³	3.717 in³
Elastic section modulus (Sy)	31.47 cm³	1.920 in³
Plastic section modulus (Zx)	80.25 cm³	4.897 in³
Plastic section modulus (Zy)	36.36 cm³	2.219 in³
Radius of gyration (rx)	5.07 cm	1.998 in
Radius of gyration (ry)	2.11 cm	0.832 in