RHS 170x100x11.1 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 170x100 (México) · Caño estructural 170x100 (Argentina)

The RHS 170x100x11.1 steel profile weighs 40.7 kg/m (27.34 lb/ft), has a depth of 170 mm (6.69 in), flange width 100 mm (3.94 in). Cross-sectional area: 5,183.867 mm². Moment of inertia Ix = 1,783.14 cm⁴, Iy = 764.177 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	170 mm	6.69 in
Width (b)	100 mm	3.94 in
Thickness (t)	11.1 mm	0.44 in
Fillet radius (r)	22.2 mm	0.87 in
Weight	40.7 kg/m	27.34 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,183.87 mm²	8.035 in²
Moment of inertia (Ix)	1,783.14 cm⁴	42.84 in⁴
Moment of inertia (Iy)	764.18 cm⁴	18.36 in⁴
Elastic section modulus (Sx)	209.78 cm³	12.802 in³
Elastic section modulus (Sy)	152.84 cm³	9.327 in³
Plastic section modulus (Zx)	271.31 cm³	16.556 in³
Plastic section modulus (Zy)	186.14 cm³	11.359 in³
Radius of gyration (rx)	5.86 cm	2.309 in
Radius of gyration (ry)	3.84 cm	1.512 in