RHS 180x120x10.3 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 180x120 (México) · Caño estructural 180x120 (Argentina)

The RHS 180x120x10.3 steel profile weighs 43.0 kg/m (28.92 lb/ft), has a depth of 180 mm (7.09 in), flange width 120 mm (4.72 in). Cross-sectional area: 5,482.435 mm². Moment of inertia Ix = 2,265.558 cm⁴, Iy = 1,195.588 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	180 mm	7.09 in
Width (b)	120 mm	4.72 in
Thickness (t)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	43.0 kg/m	28.92 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,482.43 mm²	8.498 in²
Moment of inertia (Ix)	2,265.56 cm⁴	54.43 in⁴
Moment of inertia (Iy)	1,195.59 cm⁴	28.72 in⁴
Elastic section modulus (Sx)	251.73 cm³	15.361 in³
Elastic section modulus (Sy)	199.26 cm³	12.160 in³
Plastic section modulus (Zx)	316.54 cm³	19.317 in³
Plastic section modulus (Zy)	238.4 cm³	14.548 in³
Radius of gyration (rx)	6.43 cm	2.531 in
Radius of gyration (ry)	4.67 cm	1.839 in