RHS 300x220x10.3 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 300x220 (México) · Caño estructural 300x220 (Argentina)

The RHS 300x220x10.3 steel profile weighs 78.6 kg/m (52.83 lb/ft), has a depth of 300 mm (11.81 in), flange width 220 mm (8.66 in). Cross-sectional area: 10,014.435 mm². Moment of inertia Ix = 12,658.398 cm⁴, Iy = 7,841.688 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)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	78.6 kg/m	52.83 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,014.43 mm²	15.522 in²
Moment of inertia (Ix)	12,658.4 cm⁴	304.12 in⁴
Moment of inertia (Iy)	7,841.69 cm⁴	188.40 in⁴
Elastic section modulus (Sx)	843.89 cm³	51.498 in³
Elastic section modulus (Sy)	712.88 cm³	43.503 in³
Plastic section modulus (Zx)	1,018.04 cm³	62.125 in³
Plastic section modulus (Zy)	823.21 cm³	50.236 in³
Radius of gyration (rx)	11.24 cm	4.426 in
Radius of gyration (ry)	8.85 cm	3.484 in