RHS 300x240x8.2 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 300x240 (México) · Caño estructural 300x240 (Argentina)

The RHS 300x240x8.2 steel profile weighs 66.0 kg/m (44.39 lb/ft), has a depth of 300 mm (11.81 in), flange width 240 mm (9.45 in). Cross-sectional area: 8,413.882 mm². Moment of inertia Ix = 11,116.476 cm⁴, Iy = 7,896.66 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	300 mm	11.81 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	66.0 kg/m	44.39 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	8,413.88 mm²	13.042 in²
Moment of inertia (Ix)	11,116.48 cm⁴	267.07 in⁴
Moment of inertia (Iy)	7,896.66 cm⁴	189.72 in⁴
Elastic section modulus (Sx)	741.1 cm³	45.225 in³
Elastic section modulus (Sy)	658.06 cm³	40.157 in³
Plastic section modulus (Zx)	878.31 cm³	53.598 in³
Plastic section modulus (Zy)	754.7 cm³	46.055 in³
Radius of gyration (rx)	11.49 cm	4.525 in
Radius of gyration (ry)	9.69 cm	3.814 in