RHS 140x110x6.4 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 140x110 cal 3 (México) · Caño estructural 140x110 (Argentina)

The RHS 140x110x6.4 steel profile weighs 23.0 kg/m (15.46 lb/ft), has a depth of 140 mm (5.51 in), flange width 110 mm (4.33 in). Cross-sectional area: 2,930.679 mm². Moment of inertia Ix = 798.406 cm⁴, Iy = 548.915 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	140 mm	5.51 in
Width (b)	110 mm	4.33 in
Thickness (t)	6.4 mm	0.25 in
Fillet radius (r)	12.8 mm	0.50 in
Weight	23.0 kg/m	15.46 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,930.68 mm²	4.543 in²
Moment of inertia (Ix)	798.41 cm⁴	19.18 in⁴
Moment of inertia (Iy)	548.92 cm⁴	13.19 in⁴
Elastic section modulus (Sx)	114.06 cm³	6.960 in³
Elastic section modulus (Sy)	99.8 cm³	6.090 in³
Plastic section modulus (Zx)	138.57 cm³	8.456 in³
Plastic section modulus (Zy)	117.38 cm³	7.163 in³
Radius of gyration (rx)	5.22 cm	2.055 in
Radius of gyration (ry)	4.33 cm	1.704 in