RHS 140x90x9.5 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 140x90 (México) · Caño estructural 140x90 (Argentina)

The RHS 140x90x9.5 steel profile weighs 29.6 kg/m (19.92 lb/ft), has a depth of 140 mm (5.51 in), flange width 90 mm (3.54 in). Cross-sectional area: 3,776.586 mm². Moment of inertia Ix = 901.87 cm⁴, Iy = 446.395 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	140 mm	5.51 in
Width (b)	90 mm	3.54 in
Thickness (t)	9.5 mm	0.37 in
Fillet radius (r)	19 mm	0.75 in
Weight	29.6 kg/m	19.92 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,776.59 mm²	5.854 in²
Moment of inertia (Ix)	901.87 cm⁴	21.67 in⁴
Moment of inertia (Iy)	446.4 cm⁴	10.72 in⁴
Elastic section modulus (Sx)	128.84 cm³	7.862 in³
Elastic section modulus (Sy)	99.2 cm³	6.054 in³
Plastic section modulus (Zx)	165.27 cm³	10.085 in³
Plastic section modulus (Zy)	120.97 cm³	7.382 in³
Radius of gyration (rx)	4.89 cm	1.924 in
Radius of gyration (ry)	3.44 cm	1.354 in