RHS 90x60x4.8 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 90x60 cal 6 (México) · Caño estructural 90x60 (Argentina)

The RHS 90x60x4.8 steel profile weighs 10.1 kg/m (6.79 lb/ft), has a depth of 90 mm (3.54 in), flange width 60 mm (2.36 in). Cross-sectional area: 1,288.507 mm². Moment of inertia Ix = 134.693 cm⁴, Iy = 71.213 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	90 mm	3.54 in
Width (b)	60 mm	2.36 in
Thickness (t)	4.8 mm	0.19 in
Fillet radius (r)	9.6 mm	0.38 in
Weight	10.1 kg/m	6.79 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,288.51 mm²	1.997 in²
Moment of inertia (Ix)	134.69 cm⁴	3.24 in⁴
Moment of inertia (Iy)	71.21 cm⁴	1.71 in⁴
Elastic section modulus (Sx)	29.93 cm³	1.827 in³
Elastic section modulus (Sy)	23.74 cm³	1.449 in³
Plastic section modulus (Zx)	37.44 cm³	2.284 in³
Plastic section modulus (Zy)	28.22 cm³	1.722 in³
Radius of gyration (rx)	3.23 cm	1.273 in
Radius of gyration (ry)	2.35 cm	0.926 in