RHS 254x102x6.4 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 254x102 cal 3 (México) · Caño estructural 254x102 (Argentina)

The RHS 254x102x6.4 steel profile weighs 33.4 kg/m (22.43 lb/ft), has a depth of 254 mm (10.00 in), flange width 102 mm (4.02 in). Cross-sectional area: 4,287.479 mm². Moment of inertia Ix = 3,331.37 cm⁴, Iy = 793.544 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	254 mm	10.00 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	33.4 kg/m	22.43 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,287.48 mm²	6.646 in²
Moment of inertia (Ix)	3,331.37 cm⁴	80.04 in⁴
Moment of inertia (Iy)	793.54 cm⁴	19.06 in⁴
Elastic section modulus (Sx)	262.31 cm³	16.007 in³
Elastic section modulus (Sy)	155.6 cm³	9.495 in³
Plastic section modulus (Zx)	334.53 cm³	20.414 in³
Plastic section modulus (Zy)	175.62 cm³	10.717 in³
Radius of gyration (rx)	8.81 cm	3.470 in
Radius of gyration (ry)	4.3 cm	1.694 in