RHS 150x120x6.4 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 150x120 cal 3 (México) · Caño estructural 150x120 (Argentina)

The RHS 150x120x6.4 steel profile weighs 25.0 kg/m (16.81 lb/ft), has a depth of 150 mm (5.91 in), flange width 120 mm (4.72 in). Cross-sectional area: 3,186.679 mm². Moment of inertia Ix = 1,010.444 cm⁴, Iy = 715.072 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	150 mm	5.91 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	25.0 kg/m	16.81 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,186.68 mm²	4.939 in²
Moment of inertia (Ix)	1,010.44 cm⁴	24.28 in⁴
Moment of inertia (Iy)	715.07 cm⁴	17.18 in⁴
Elastic section modulus (Sx)	134.73 cm³	8.222 in³
Elastic section modulus (Sy)	119.18 cm³	7.273 in³
Plastic section modulus (Zx)	162.74 cm³	9.931 in³
Plastic section modulus (Zy)	139.63 cm³	8.521 in³
Radius of gyration (rx)	5.63 cm	2.217 in
Radius of gyration (ry)	4.74 cm	1.865 in