RHS 340x230x8.8 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 340x230 (México) · Caño estructural 340x230 (Argentina)

The RHS 340x230x8.8 steel profile weighs 74.8 kg/m (50.23 lb/ft), has a depth of 340 mm (13.39 in), flange width 230 mm (9.06 in). Cross-sectional area: 9,522.815 mm². Moment of inertia Ix = 15,453.468 cm⁴, Iy = 8,473.021 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	340 mm	13.39 in
Width (b)	230 mm	9.06 in
Thickness (t)	8.8 mm	0.35 in
Fillet radius (r)	17.6 mm	0.69 in
Weight	74.8 kg/m	50.23 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,522.81 mm²	14.760 in²
Moment of inertia (Ix)	15,453.47 cm⁴	371.27 in⁴
Moment of inertia (Iy)	8,473.02 cm⁴	203.56 in⁴
Elastic section modulus (Sx)	909.03 cm³	55.472 in³
Elastic section modulus (Sy)	736.78 cm³	44.962 in³
Plastic section modulus (Zx)	1,094.12 cm³	66.768 in³
Plastic section modulus (Zy)	837.73 cm³	51.121 in³
Radius of gyration (rx)	12.74 cm	5.015 in
Radius of gyration (ry)	9.43 cm	3.714 in