RHS 356x102x6.4 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 356x102 cal 3 (México) · Caño estructural 356x102 (Argentina)

The RHS 356x102x6.4 steel profile weighs 43.5 kg/m (29.23 lb/ft), has a depth of 356 mm (14.02 in), flange width 102 mm (4.02 in). Cross-sectional area: 5,593.079 mm². Moment of inertia Ix = 7,971.963 cm⁴, Iy = 1,092.299 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.4 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	356 mm	14.02 in
Width (b)	102 mm	4.02 in
Thickness (t)	6.4 mm	0.25 in
Fillet radius (r)	12.8 mm	0.50 in
Weight	43.5 kg/m	29.23 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,593.08 mm²	8.669 in²
Moment of inertia (Ix)	7,971.96 cm⁴	191.53 in⁴
Moment of inertia (Iy)	1,092.3 cm⁴	26.24 in⁴
Elastic section modulus (Sx)	447.86 cm³	27.330 in³
Elastic section modulus (Sy)	214.18 cm³	13.070 in³
Plastic section modulus (Zx)	586.49 cm³	35.790 in³
Plastic section modulus (Zy)	238.02 cm³	14.525 in³
Radius of gyration (rx)	11.94 cm	4.700 in
Radius of gyration (ry)	4.42 cm	1.740 in