RHS 330x240x8.2 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 330x240x8.2 steel profile weighs 69.9 kg/m (46.98 lb/ft), has a depth of 330 mm (12.99 in), flange width 240 mm (9.45 in). Cross-sectional area: 8,905.882 mm². Moment of inertia Ix = 13,944.421 cm⁴, Iy = 8,557.83 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)	8.2 mm	0.32 in
Fillet radius (r)	16.4 mm	0.65 in
Weight	69.9 kg/m	46.98 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	8,905.88 mm²	13.804 in²
Moment of inertia (Ix)	13,944.42 cm⁴	335.01 in⁴
Moment of inertia (Iy)	8,557.83 cm⁴	205.60 in⁴
Elastic section modulus (Sx)	845.12 cm³	51.572 in³
Elastic section modulus (Sy)	713.15 cm³	43.519 in³
Plastic section modulus (Zx)	1,008.21 cm³	61.525 in³
Plastic section modulus (Zy)	811.73 cm³	49.535 in³
Radius of gyration (rx)	12.51 cm	4.926 in
Radius of gyration (ry)	9.8 cm	3.859 in