RHS 140x90x10.3 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 140x90x10.3 steel profile weighs 31.7 kg/m (21.32 lb/ft), has a depth of 140 mm (5.51 in), flange width 90 mm (3.54 in). Cross-sectional area: 4,040.435 mm². Moment of inertia Ix = 947.251 cm⁴, Iy = 467.515 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)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	31.7 kg/m	21.32 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,040.43 mm²	6.263 in²
Moment of inertia (Ix)	947.25 cm⁴	22.76 in⁴
Moment of inertia (Iy)	467.51 cm⁴	11.23 in⁴
Elastic section modulus (Sx)	135.32 cm³	8.258 in³
Elastic section modulus (Sy)	103.89 cm³	6.340 in³
Plastic section modulus (Zx)	175.06 cm³	10.683 in³
Plastic section modulus (Zy)	127.97 cm³	7.809 in³
Radius of gyration (rx)	4.84 cm	1.906 in
Radius of gyration (ry)	3.4 cm	1.339 in