RHS 406x102x9.5 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 406x102 (México) · Caño estructural 406x102 (Argentina)

The RHS 406x102x9.5 steel profile weighs 71.4 kg/m (47.99 lb/ft), has a depth of 406 mm (15.98 in), flange width 102 mm (4.02 in). Cross-sectional area: 9,058.586 mm². Moment of inertia Ix = 15,854.692 cm⁴, Iy = 1,690.307 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	406 mm	15.98 in
Width (b)	102 mm	4.02 in
Thickness (t)	9.5 mm	0.37 in
Fillet radius (r)	19 mm	0.75 in
Weight	71.4 kg/m	47.99 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,058.59 mm²	14.041 in²
Moment of inertia (Ix)	15,854.69 cm⁴	380.91 in⁴
Moment of inertia (Iy)	1,690.31 cm⁴	40.61 in⁴
Elastic section modulus (Sx)	781.02 cm³	47.661 in³
Elastic section modulus (Sy)	331.43 cm³	20.225 in³
Plastic section modulus (Zx)	1,048.85 cm³	64.005 in³
Plastic section modulus (Zy)	378.06 cm³	23.071 in³
Radius of gyration (rx)	13.23 cm	5.209 in
Radius of gyration (ry)	4.32 cm	1.701 in