RHS 220x130x8.2 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 220x130 (México) · Caño estructural 220x130 (Argentina)

The RHS 220x130x8.2 steel profile weighs 41.6 kg/m (27.95 lb/ft), has a depth of 220 mm (8.66 in), flange width 130 mm (5.12 in). Cross-sectional area: 5,297.882 mm². Moment of inertia Ix = 3,342.048 cm⁴, Iy = 1,470.889 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	220 mm	8.66 in
Width (b)	130 mm	5.12 in
Thickness (t)	8.2 mm	0.32 in
Fillet radius (r)	16.4 mm	0.65 in
Weight	41.6 kg/m	27.95 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,297.88 mm²	8.212 in²
Moment of inertia (Ix)	3,342.05 cm⁴	80.29 in⁴
Moment of inertia (Iy)	1,470.89 cm⁴	35.34 in⁴
Elastic section modulus (Sx)	303.82 cm³	18.540 in³
Elastic section modulus (Sy)	226.29 cm³	13.809 in³
Plastic section modulus (Zx)	376.96 cm³	23.003 in³
Plastic section modulus (Zy)	261.65 cm³	15.967 in³
Radius of gyration (rx)	7.94 cm	3.127 in
Radius of gyration (ry)	5.27 cm	2.074 in