RHS 178x76x9.5 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 178x76 (México) · Caño estructural 178x76 (Argentina)

The RHS 178x76x9.5 steel profile weighs 33.3 kg/m (22.39 lb/ft), has a depth of 178 mm (7.01 in), flange width 76 mm (2.99 in). Cross-sectional area: 4,232.586 mm². Moment of inertia Ix = 1,485.903 cm⁴, Iy = 375.478 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	178 mm	7.01 in
Width (b)	76 mm	2.99 in
Thickness (t)	9.5 mm	0.37 in
Fillet radius (r)	19 mm	0.75 in
Weight	33.3 kg/m	22.39 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,232.59 mm²	6.561 in²
Moment of inertia (Ix)	1,485.9 cm⁴	35.70 in⁴
Moment of inertia (Iy)	375.48 cm⁴	9.02 in⁴
Elastic section modulus (Sx)	166.96 cm³	10.188 in³
Elastic section modulus (Sy)	98.81 cm³	6.030 in³
Plastic section modulus (Zx)	221.47 cm³	13.515 in³
Plastic section modulus (Zy)	119.47 cm³	7.290 in³
Radius of gyration (rx)	5.93 cm	2.333 in
Radius of gyration (ry)	2.98 cm	1.173 in