RHS 102x76x3.2 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 11 (México) · Caño estructural 102x76 (Argentina)

The RHS 102x76x3.2 steel profile weighs 8.3 kg/m (5.60 lb/ft), has a depth of 102 mm (4.02 in), flange width 76 mm (2.99 in). Cross-sectional area: 1,071.87 mm². Moment of inertia Ix = 158.643 cm⁴, Iy = 100.845 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3.2 mm ≈ 10 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	102 mm	4.02 in
Width (b)	76 mm	2.99 in
Thickness (t)	3.2 mm	0.13 in
Fillet radius (r)	6.4 mm	0.25 in
Weight	8.3 kg/m	5.60 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,071.87 mm²	1.661 in²
Moment of inertia (Ix)	158.64 cm⁴	3.81 in⁴
Moment of inertia (Iy)	100.84 cm⁴	2.42 in⁴
Elastic section modulus (Sx)	31.11 cm³	1.898 in³
Elastic section modulus (Sy)	26.54 cm³	1.619 in³
Plastic section modulus (Zx)	37.32 cm³	2.278 in³
Plastic section modulus (Zy)	30.53 cm³	1.863 in³
Radius of gyration (rx)	3.85 cm	1.515 in
Radius of gyration (ry)	3.07 cm	1.208 in