RHS 220x160x8.8 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 220x160x8.8 steel profile weighs 48.5 kg/m (32.59 lb/ft), has a depth of 220 mm (8.66 in), flange width 160 mm (6.30 in). Cross-sectional area: 6,178.815 mm². Moment of inertia Ix = 4,124.159 cm⁴, Iy = 2,516.725 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)	8.8 mm	0.35 in
Fillet radius (r)	17.6 mm	0.69 in
Weight	48.5 kg/m	32.59 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,178.81 mm²	9.577 in²
Moment of inertia (Ix)	4,124.16 cm⁴	99.08 in⁴
Moment of inertia (Iy)	2,516.72 cm⁴	60.46 in⁴
Elastic section modulus (Sx)	374.92 cm³	22.879 in³
Elastic section modulus (Sy)	314.59 cm³	19.198 in³
Plastic section modulus (Zx)	456.01 cm³	27.828 in³
Plastic section modulus (Zy)	366.32 cm³	22.354 in³
Radius of gyration (rx)	8.17 cm	3.216 in
Radius of gyration (ry)	6.38 cm	2.513 in