RHS 180x110x10.3 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 180x110 (México) · Caño estructural 180x110 (Argentina)

The RHS 180x110x10.3 steel profile weighs 41.4 kg/m (27.83 lb/ft), has a depth of 180 mm (7.09 in), flange width 110 mm (4.33 in). Cross-sectional area: 5,276.435 mm². Moment of inertia Ix = 2,117.065 cm⁴, Iy = 970.719 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)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	41.4 kg/m	27.83 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,276.43 mm²	8.178 in²
Moment of inertia (Ix)	2,117.07 cm⁴	50.86 in⁴
Moment of inertia (Iy)	970.72 cm⁴	23.32 in⁴
Elastic section modulus (Sx)	235.23 cm³	14.355 in³
Elastic section modulus (Sy)	176.49 cm³	10.770 in³
Plastic section modulus (Zx)	299.06 cm³	18.250 in³
Plastic section modulus (Zy)	211.51 cm³	12.907 in³
Radius of gyration (rx)	6.33 cm	2.494 in
Radius of gyration (ry)	4.29 cm	1.689 in