RHS 300x220x12.7 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 300x220x12.7 steel profile weighs 95.4 kg/m (64.08 lb/ft), has a depth of 300 mm (11.81 in), flange width 220 mm (8.66 in). Cross-sectional area: 12,147.482 mm². Moment of inertia Ix = 15,016.909 cm⁴, Iy = 9,276.097 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)	12.7 mm	0.50 in
Fillet radius (r)	25.4 mm	1.00 in
Weight	95.4 kg/m	64.08 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	12,147.48 mm²	18.829 in²
Moment of inertia (Ix)	15,016.91 cm⁴	360.78 in⁴
Moment of inertia (Iy)	9,276.1 cm⁴	222.86 in⁴
Elastic section modulus (Sx)	1,001.13 cm³	61.093 in³
Elastic section modulus (Sy)	843.28 cm³	51.460 in³
Plastic section modulus (Zx)	1,220.23 cm³	74.463 in³
Plastic section modulus (Zy)	985.58 cm³	60.144 in³
Radius of gyration (rx)	11.12 cm	4.377 in
Radius of gyration (ry)	8.74 cm	3.440 in