RHS 66x33x2.6 Tata Steel · Weight & Dimensions

Tata Steel, 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 66x33 cal 13 (México) · Caño estructural 66x33 (Argentina)

The RHS 66x33x2.6 steel profile weighs 3.7 kg/m (2.48 lb/ft), has a depth of 66 mm (2.60 in), flange width 33 mm (1.30 in). Cross-sectional area: 470.351 mm². Moment of inertia Ix = 25.154 cm⁴, Iy = 8.434 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 2.6 mm ≈ 12 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	66 mm	2.60 in
Width (b)	33 mm	1.30 in
Thickness (t)	2.6 mm	0.10 in
Fillet radius (r)	5.2 mm	0.20 in
Weight	3.7 kg/m	2.48 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	470.35 mm²	0.729 in²
Moment of inertia (Ix)	25.15 cm⁴	0.60 in⁴
Moment of inertia (Iy)	8.43 cm⁴	0.20 in⁴
Elastic section modulus (Sx)	7.62 cm³	0.465 in³
Elastic section modulus (Sy)	5.11 cm³	0.312 in³
Plastic section modulus (Zx)	9.68 cm³	0.591 in³
Plastic section modulus (Zy)	5.94 cm³	0.363 in³
Radius of gyration (rx)	2.31 cm	0.910 in
Radius of gyration (ry)	1.34 cm	0.527 in