RHS 220x130x7.1 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 220x130x7.1 steel profile weighs 36.4 kg/m (24.47 lb/ft), has a depth of 220 mm (8.66 in), flange width 130 mm (5.12 in). Cross-sectional area: 4,638.543 mm². Moment of inertia Ix = 2,970.796 cm⁴, Iy = 1,312.16 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)	7.1 mm	0.28 in
Fillet radius (r)	14.2 mm	0.56 in
Weight	36.4 kg/m	24.47 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,638.54 mm²	7.190 in²
Moment of inertia (Ix)	2,970.8 cm⁴	71.37 in⁴
Moment of inertia (Iy)	1,312.16 cm⁴	31.52 in⁴
Elastic section modulus (Sx)	270.07 cm³	16.481 in³
Elastic section modulus (Sy)	201.87 cm³	12.319 in³
Plastic section modulus (Zx)	332.76 cm³	20.306 in³
Plastic section modulus (Zy)	231.31 cm³	14.115 in³
Radius of gyration (rx)	8 cm	3.151 in
Radius of gyration (ry)	5.32 cm	2.094 in