RHS 102x76x4.8 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 102x76 cal 6 (México) · Caño estructural 102x76 (Argentina)

The RHS 102x76x4.8 steel profile weighs 12.1 kg/m (8.12 lb/ft), has a depth of 102 mm (4.02 in), flange width 76 mm (2.99 in). Cross-sectional area: 1,557.307 mm². Moment of inertia Ix = 220.701 cm⁴, Iy = 139.555 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	102 mm	4.02 in
Width (b)	76 mm	2.99 in
Thickness (t)	4.8 mm	0.19 in
Fillet radius (r)	9.6 mm	0.38 in
Weight	12.1 kg/m	8.12 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,557.31 mm²	2.414 in²
Moment of inertia (Ix)	220.7 cm⁴	5.30 in⁴
Moment of inertia (Iy)	139.55 cm⁴	3.35 in⁴
Elastic section modulus (Sx)	43.27 cm³	2.641 in³
Elastic section modulus (Sy)	36.72 cm³	2.241 in³
Plastic section modulus (Zx)	52.98 cm³	3.233 in³
Plastic section modulus (Zy)	43.24 cm³	2.639 in³
Radius of gyration (rx)	3.76 cm	1.482 in
Radius of gyration (ry)	2.99 cm	1.179 in