RHS 330x240x8.8 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 330x240 (México) · Caño estructural 330x240 (Argentina)

The RHS 330x240x8.8 steel profile weighs 74.8 kg/m (50.23 lb/ft), has a depth of 330 mm (12.99 in), flange width 240 mm (9.45 in). Cross-sectional area: 9,522.815 mm². Moment of inertia Ix = 14,837.067 cm⁴, Iy = 9,099.392 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	330 mm	12.99 in
Width (b)	240 mm	9.45 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)	14,837.07 cm⁴	356.46 in⁴
Moment of inertia (Iy)	9,099.39 cm⁴	218.61 in⁴
Elastic section modulus (Sx)	899.22 cm³	54.874 in³
Elastic section modulus (Sy)	758.28 cm³	46.273 in³
Plastic section modulus (Zx)	1,075.21 cm³	65.614 in³
Plastic section modulus (Zy)	865.44 cm³	52.812 in³
Radius of gyration (rx)	12.48 cm	4.914 in
Radius of gyration (ry)	9.78 cm	3.848 in