RHS 230x120x7.1 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 230x120 (México) · Caño estructural 230x120 (Argentina)

The RHS 230x120x7.1 steel profile weighs 36.4 kg/m (24.47 lb/ft), has a depth of 230 mm (9.06 in), flange width 120 mm (4.72 in). Cross-sectional area: 4,638.543 mm². Moment of inertia Ix = 3,138.826 cm⁴, Iy = 1,137.638 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	230 mm	9.06 in
Width (b)	120 mm	4.72 in
Thickness (t)	7.1 mm	0.28 in
Fillet radius (r)	14.2 mm	0.56 in
Weight	36.4 kg/m	24.47 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,638.54 mm²	7.190 in²
Moment of inertia (Ix)	3,138.83 cm⁴	75.41 in⁴
Moment of inertia (Iy)	1,137.64 cm⁴	27.33 in⁴
Elastic section modulus (Sx)	272.94 cm³	16.656 in³
Elastic section modulus (Sy)	189.61 cm³	11.571 in³
Plastic section modulus (Zx)	340.48 cm³	20.777 in³
Plastic section modulus (Zy)	216.49 cm³	13.211 in³
Radius of gyration (rx)	8.23 cm	3.239 in
Radius of gyration (ry)	4.95 cm	1.950 in