RHS 220x160x8.2 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 220x160 (México) · Caño estructural 220x160 (Argentina)

The RHS 220x160x8.2 steel profile weighs 45.5 kg/m (30.54 lb/ft), has a depth of 220 mm (8.66 in), flange width 160 mm (6.30 in). Cross-sectional area: 5,789.882 mm². Moment of inertia Ix = 3,894.092 cm⁴, Iy = 2,378.728 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)	8.2 mm	0.32 in
Fillet radius (r)	16.4 mm	0.65 in
Weight	45.5 kg/m	30.54 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,789.88 mm²	8.974 in²
Moment of inertia (Ix)	3,894.09 cm⁴	93.56 in⁴
Moment of inertia (Iy)	2,378.73 cm⁴	57.15 in⁴
Elastic section modulus (Sx)	354.01 cm³	21.603 in³
Elastic section modulus (Sy)	297.34 cm³	18.145 in³
Plastic section modulus (Zx)	429.06 cm³	26.183 in³
Plastic section modulus (Zy)	344.81 cm³	21.042 in³
Radius of gyration (rx)	8.2 cm	3.229 in
Radius of gyration (ry)	6.41 cm	2.523 in