RHS 220x160x7.1 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 220x160 (México) · Caño estructural 220x160 (Argentina)

The RHS 220x160x7.1 steel profile weighs 39.8 kg/m (26.72 lb/ft), has a depth of 220 mm (8.66 in), flange width 160 mm (6.30 in). Cross-sectional area: 5,064.543 mm². Moment of inertia Ix = 3,453.701 cm⁴, Iy = 2,113.649 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	220 mm	8.66 in
Width (b)	160 mm	6.30 in
Thickness (t)	7.1 mm	0.28 in
Fillet radius (r)	14.2 mm	0.56 in
Weight	39.8 kg/m	26.72 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,064.54 mm²	7.850 in²
Moment of inertia (Ix)	3,453.7 cm⁴	82.98 in⁴
Moment of inertia (Iy)	2,113.65 cm⁴	50.78 in⁴
Elastic section modulus (Sx)	313.97 cm³	19.160 in³
Elastic section modulus (Sy)	264.21 cm³	16.123 in³
Plastic section modulus (Zx)	378.1 cm³	23.073 in³
Plastic section modulus (Zy)	304.08 cm³	18.556 in³
Radius of gyration (rx)	8.26 cm	3.251 in
Radius of gyration (ry)	6.46 cm	2.543 in