RHS 180x110x9.5 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 180x110 (México) · Caño estructural 180x110 (Argentina)

The RHS 180x110x9.5 steel profile weighs 38.6 kg/m (25.94 lb/ft), has a depth of 180 mm (7.09 in), flange width 110 mm (4.33 in). Cross-sectional area: 4,916.586 mm². Moment of inertia Ix = 2,000.592 cm⁴, Iy = 919.836 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	180 mm	7.09 in
Width (b)	110 mm	4.33 in
Thickness (t)	9.5 mm	0.37 in
Fillet radius (r)	19 mm	0.75 in
Weight	38.6 kg/m	25.94 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,916.59 mm²	7.621 in²
Moment of inertia (Ix)	2,000.59 cm⁴	48.06 in⁴
Moment of inertia (Iy)	919.84 cm⁴	22.10 in⁴
Elastic section modulus (Sx)	222.29 cm³	13.565 in³
Elastic section modulus (Sy)	167.24 cm³	10.206 in³
Plastic section modulus (Zx)	280.79 cm³	17.135 in³
Plastic section modulus (Zy)	198.82 cm³	12.133 in³
Radius of gyration (rx)	6.38 cm	2.511 in
Radius of gyration (ry)	4.33 cm	1.703 in