RHS 160x90x11.1 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 160x90 (México) · Caño estructural 160x90 (Argentina)

The RHS 160x90x11.1 steel profile weighs 37.2 kg/m (25.01 lb/ft), has a depth of 160 mm (6.30 in), flange width 90 mm (3.54 in). Cross-sectional area: 4,739.867 mm². Moment of inertia Ix = 1,401.327 cm⁴, Iy = 556.029 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	160 mm	6.30 in
Width (b)	90 mm	3.54 in
Thickness (t)	11.1 mm	0.44 in
Fillet radius (r)	22.2 mm	0.87 in
Weight	37.2 kg/m	25.01 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,739.87 mm²	7.347 in²
Moment of inertia (Ix)	1,401.33 cm⁴	33.67 in⁴
Moment of inertia (Iy)	556.03 cm⁴	13.36 in⁴
Elastic section modulus (Sx)	175.17 cm³	10.689 in³
Elastic section modulus (Sy)	123.56 cm³	7.540 in³
Plastic section modulus (Zx)	229.42 cm³	14.000 in³
Plastic section modulus (Zy)	152.02 cm³	9.277 in³
Radius of gyration (rx)	5.44 cm	2.141 in
Radius of gyration (ry)	3.43 cm	1.348 in