RHS 150x80x4.8 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 150x80 cal 6 (México) · Caño estructural 150x80 (Argentina)

The RHS 150x80x4.8 steel profile weighs 16.1 kg/m (10.85 lb/ft), has a depth of 150 mm (5.91 in), flange width 80 mm (3.15 in). Cross-sectional area: 2,056.507 mm². Moment of inertia Ix = 593.784 cm⁴, Iy = 222.714 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)	80 mm	3.15 in
Thickness (t)	4.8 mm	0.19 in
Fillet radius (r)	9.6 mm	0.38 in
Weight	16.1 kg/m	10.85 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,056.51 mm²	3.188 in²
Moment of inertia (Ix)	593.78 cm⁴	14.27 in⁴
Moment of inertia (Iy)	222.71 cm⁴	5.35 in⁴
Elastic section modulus (Sx)	79.17 cm³	4.831 in³
Elastic section modulus (Sy)	55.68 cm³	3.398 in³
Plastic section modulus (Zx)	98.67 cm³	6.021 in³
Plastic section modulus (Zy)	63.72 cm³	3.888 in³
Radius of gyration (rx)	5.37 cm	2.116 in
Radius of gyration (ry)	3.29 cm	1.296 in