RHS 230x120x6.4 Açotubo · Weight & Dimensions

Açotubo, 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 230x120 cal 3 (México) · Caño estructural 230x120 (Argentina)

The RHS 230x120x6.4 steel profile weighs 33.0 kg/m (22.21 lb/ft), has a depth of 230 mm (9.06 in), flange width 120 mm (4.72 in). Cross-sectional area: 4,210.679 mm². Moment of inertia Ix = 2,876.82 cm⁴, Iy = 1,045.789 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.4 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	230 mm	9.06 in
Width (b)	120 mm	4.72 in
Thickness (t)	6.4 mm	0.25 in
Fillet radius (r)	12.8 mm	0.50 in
Weight	33.0 kg/m	22.21 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,210.68 mm²	6.527 in²
Moment of inertia (Ix)	2,876.82 cm⁴	69.12 in⁴
Moment of inertia (Iy)	1,045.79 cm⁴	25.13 in⁴
Elastic section modulus (Sx)	250.16 cm³	15.266 in³
Elastic section modulus (Sy)	174.3 cm³	10.636 in³
Plastic section modulus (Zx)	310.68 cm³	18.959 in³
Plastic section modulus (Zy)	197.79 cm³	12.070 in³
Radius of gyration (rx)	8.27 cm	3.254 in
Radius of gyration (ry)	4.98 cm	1.962 in