RHS 254x51x4.8 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 254x51 cal 6 (México) · Caño estructural 254x51 (Argentina)

The RHS 254x51x4.8 steel profile weighs 21.6 kg/m (14.54 lb/ft), has a depth of 254 mm (10.00 in), flange width 51 mm (2.01 in). Cross-sectional area: 2,776.507 mm². Moment of inertia Ix = 1,833.742 cm⁴, Iy = 132.683 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4.8 mm ≈ 7 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	254 mm	10.00 in
Width (b)	51 mm	2.01 in
Thickness (t)	4.8 mm	0.19 in
Fillet radius (r)	9.6 mm	0.38 in
Weight	21.6 kg/m	14.54 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,776.51 mm²	4.304 in²
Moment of inertia (Ix)	1,833.74 cm⁴	44.06 in⁴
Moment of inertia (Iy)	132.68 cm⁴	3.19 in⁴
Elastic section modulus (Sx)	144.39 cm³	8.811 in³
Elastic section modulus (Sy)	52.03 cm³	3.175 in³
Plastic section modulus (Zx)	196.88 cm³	12.014 in³
Plastic section modulus (Zy)	58.98 cm³	3.599 in³
Radius of gyration (rx)	8.13 cm	3.200 in
Radius of gyration (ry)	2.19 cm	0.861 in