RHS 127x102x4.8 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 127x102 cal 6 (México) · Caño estructural 127x102 (Argentina)

The RHS 127x102x4.8 steel profile weighs 15.9 kg/m (10.68 lb/ft), has a depth of 127 mm (5.00 in), flange width 102 mm (4.02 in). Cross-sectional area: 2,046.907 mm². Moment of inertia Ix = 471.954 cm⁴, Iy = 336.436 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	127 mm	5.00 in
Width (b)	102 mm	4.02 in
Thickness (t)	4.8 mm	0.19 in
Fillet radius (r)	9.6 mm	0.38 in
Weight	15.9 kg/m	10.68 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,046.91 mm²	3.173 in²
Moment of inertia (Ix)	471.95 cm⁴	11.34 in⁴
Moment of inertia (Iy)	336.44 cm⁴	8.08 in⁴
Elastic section modulus (Sx)	74.32 cm³	4.536 in³
Elastic section modulus (Sy)	65.97 cm³	4.026 in³
Plastic section modulus (Zx)	89.19 cm³	5.443 in³
Plastic section modulus (Zy)	76.77 cm³	4.685 in³
Radius of gyration (rx)	4.8 cm	1.890 in
Radius of gyration (ry)	4.05 cm	1.596 in