RHS 300x220x9.5 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 300x220 (México) · Caño estructural 300x220 (Argentina)

The RHS 300x220x9.5 steel profile weighs 72.9 kg/m (48.99 lb/ft), has a depth of 300 mm (11.81 in), flange width 220 mm (8.66 in). Cross-sectional area: 9,286.586 mm². Moment of inertia Ix = 11,824.663 cm⁴, Iy = 7,332.283 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	300 mm	11.81 in
Width (b)	220 mm	8.66 in
Thickness (t)	9.5 mm	0.37 in
Fillet radius (r)	19 mm	0.75 in
Weight	72.9 kg/m	48.99 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,286.59 mm²	14.394 in²
Moment of inertia (Ix)	11,824.66 cm⁴	284.09 in⁴
Moment of inertia (Iy)	7,332.28 cm⁴	176.16 in⁴
Elastic section modulus (Sx)	788.31 cm³	48.106 in³
Elastic section modulus (Sy)	666.57 cm³	40.677 in³
Plastic section modulus (Zx)	947.76 cm³	57.836 in³
Plastic section modulus (Zy)	766.68 cm³	46.786 in³
Radius of gyration (rx)	11.28 cm	4.443 in
Radius of gyration (ry)	8.89 cm	3.498 in