RHS 457x152x7.9 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 457x152 (México) · Caño estructural 457x152 (Argentina)

The RHS 457x152x7.9 steel profile weighs 72.9 kg/m (49.01 lb/ft), has a depth of 457 mm (17.99 in), flange width 152 mm (5.98 in). Cross-sectional area: 9,211.84 mm². Moment of inertia Ix = 22,590.48 cm⁴, Iy = 3,995.631 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	457 mm	17.99 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	72.9 kg/m	49.01 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,211.84 mm²	14.278 in²
Moment of inertia (Ix)	22,590.48 cm⁴	542.74 in⁴
Moment of inertia (Iy)	3,995.63 cm⁴	96.00 in⁴
Elastic section modulus (Sx)	988.64 cm³	60.331 in³
Elastic section modulus (Sy)	525.74 cm³	32.083 in³
Plastic section modulus (Zx)	1,271.69 cm³	77.604 in³
Plastic section modulus (Zy)	581.54 cm³	35.488 in³
Radius of gyration (rx)	15.66 cm	6.165 in
Radius of gyration (ry)	6.59 cm	2.593 in