RHS 230x120x8.8 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 230x120x8.8 steel profile weighs 44.4 kg/m (29.81 lb/ft), has a depth of 230 mm (9.06 in), flange width 120 mm (4.72 in). Cross-sectional area: 5,650.815 mm². Moment of inertia Ix = 3,734.152 cm⁴, Iy = 1,343.728 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)	8.8 mm	0.35 in
Fillet radius (r)	17.6 mm	0.69 in
Weight	44.4 kg/m	29.81 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,650.81 mm²	8.759 in²
Moment of inertia (Ix)	3,734.15 cm⁴	89.71 in⁴
Moment of inertia (Iy)	1,343.73 cm⁴	32.28 in⁴
Elastic section modulus (Sx)	324.71 cm³	19.815 in³
Elastic section modulus (Sy)	223.95 cm³	13.667 in³
Plastic section modulus (Zx)	409.48 cm³	24.988 in³
Plastic section modulus (Zy)	259.57 cm³	15.840 in³
Radius of gyration (rx)	8.13 cm	3.200 in
Radius of gyration (ry)	4.88 cm	1.920 in