RHS 300x240x10.3 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 300x240x10.3 steel profile weighs 81.8 kg/m (55.00 lb/ft), has a depth of 300 mm (11.81 in), flange width 240 mm (9.45 in). Cross-sectional area: 10,426.435 mm². Moment of inertia Ix = 13,523.201 cm⁴, Iy = 9,589.635 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)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	81.8 kg/m	55.00 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,426.43 mm²	16.161 in²
Moment of inertia (Ix)	13,523.2 cm⁴	324.89 in⁴
Moment of inertia (Iy)	9,589.64 cm⁴	230.39 in⁴
Elastic section modulus (Sx)	901.55 cm³	55.016 in³
Elastic section modulus (Sy)	799.14 cm³	48.766 in³
Plastic section modulus (Zx)	1,077.72 cm³	65.767 in³
Plastic section modulus (Zy)	925.42 cm³	56.473 in³
Radius of gyration (rx)	11.39 cm	4.484 in
Radius of gyration (ry)	9.59 cm	3.776 in