RHS 350x220x10.3 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 350x220 (México) · Caño estructural 350x220 (Argentina)

The RHS 350x220x10.3 steel profile weighs 86.7 kg/m (58.26 lb/ft), has a depth of 350 mm (13.78 in), flange width 220 mm (8.66 in). Cross-sectional area: 11,044.435 mm². Moment of inertia Ix = 18,395.956 cm⁴, Iy = 8,974.931 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	350 mm	13.78 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	86.7 kg/m	58.26 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,044.43 mm²	17.119 in²
Moment of inertia (Ix)	18,395.96 cm⁴	441.96 in⁴
Moment of inertia (Iy)	8,974.93 cm⁴	215.62 in⁴
Elastic section modulus (Sx)	1,051.2 cm³	64.148 in³
Elastic section modulus (Sy)	815.9 cm³	49.790 in³
Plastic section modulus (Zx)	1,281.28 cm³	78.189 in³
Plastic section modulus (Zy)	931.21 cm³	56.826 in³
Radius of gyration (rx)	12.91 cm	5.081 in
Radius of gyration (ry)	9.01 cm	3.549 in