RHS 150x120x4.8 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 6 (México) · Caño estructural 150x120 (Argentina)

The RHS 150x120x4.8 steel profile weighs 19.2 kg/m (12.88 lb/ft), has a depth of 150 mm (5.91 in), flange width 120 mm (4.72 in). Cross-sectional area: 2,440.507 mm². Moment of inertia Ix = 796.255 cm⁴, Iy = 564.97 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4.8 mm ≈ 7 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	150 mm	5.91 in
Width (b)	120 mm	4.72 in
Thickness (t)	4.8 mm	0.19 in
Fillet radius (r)	9.6 mm	0.38 in
Weight	19.2 kg/m	12.88 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,440.51 mm²	3.783 in²
Moment of inertia (Ix)	796.26 cm⁴	19.13 in⁴
Moment of inertia (Iy)	564.97 cm⁴	13.57 in⁴
Elastic section modulus (Sx)	106.17 cm³	6.479 in³
Elastic section modulus (Sy)	94.16 cm³	5.746 in³
Plastic section modulus (Zx)	126.55 cm³	7.722 in³
Plastic section modulus (Zy)	108.69 cm³	6.633 in³
Radius of gyration (rx)	5.71 cm	2.249 in
Radius of gyration (ry)	4.81 cm	1.894 in