RHS 180x110x11.1 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 180x110x11.1 steel profile weighs 44.2 kg/m (29.69 lb/ft), has a depth of 180 mm (7.09 in), flange width 110 mm (4.33 in). Cross-sectional area: 5,627.867 mm². Moment of inertia Ix = 2,226.148 cm⁴, Iy = 1,017.98 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)	11.1 mm	0.44 in
Fillet radius (r)	22.2 mm	0.87 in
Weight	44.2 kg/m	29.69 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,627.87 mm²	8.723 in²
Moment of inertia (Ix)	2,226.15 cm⁴	53.48 in⁴
Moment of inertia (Iy)	1,017.98 cm⁴	24.46 in⁴
Elastic section modulus (Sx)	247.35 cm³	15.094 in³
Elastic section modulus (Sy)	185.09 cm³	11.295 in³
Plastic section modulus (Zx)	316.53 cm³	19.316 in³
Plastic section modulus (Zy)	223.6 cm³	13.645 in³
Radius of gyration (rx)	6.29 cm	2.476 in
Radius of gyration (ry)	4.25 cm	1.674 in