RHS 406x102x12.7 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 406x102x12.7 steel profile weighs 93.2 kg/m (62.62 lb/ft), has a depth of 406 mm (15.98 in), flange width 102 mm (4.02 in). Cross-sectional area: 11,842.682 mm². Moment of inertia Ix = 20,021.067 cm⁴, Iy = 2,067.354 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)	12.7 mm	0.50 in
Fillet radius (r)	25.4 mm	1.00 in
Weight	93.2 kg/m	62.62 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,842.68 mm²	18.356 in²
Moment of inertia (Ix)	20,021.07 cm⁴	481.01 in⁴
Moment of inertia (Iy)	2,067.35 cm⁴	49.67 in⁴
Elastic section modulus (Sx)	986.26 cm³	60.185 in³
Elastic section modulus (Sy)	405.36 cm³	24.737 in³
Plastic section modulus (Zx)	1,345.99 cm³	82.138 in³
Plastic section modulus (Zy)	477.52 cm³	29.140 in³
Radius of gyration (rx)	13 cm	5.119 in
Radius of gyration (ry)	4.18 cm	1.645 in