RHS 170x100x10.3 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 170x100x10.3 steel profile weighs 38.2 kg/m (25.66 lb/ft), has a depth of 170 mm (6.69 in), flange width 100 mm (3.94 in). Cross-sectional area: 4,864.435 mm². Moment of inertia Ix = 1,699.493 cm⁴, Iy = 730.612 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)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	38.2 kg/m	25.66 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,864.43 mm²	7.540 in²
Moment of inertia (Ix)	1,699.49 cm⁴	40.83 in⁴
Moment of inertia (Iy)	730.61 cm⁴	17.55 in⁴
Elastic section modulus (Sx)	199.94 cm³	12.201 in³
Elastic section modulus (Sy)	146.12 cm³	8.917 in³
Plastic section modulus (Zx)	256.75 cm³	15.668 in³
Plastic section modulus (Zy)	176.4 cm³	10.765 in³
Radius of gyration (rx)	5.91 cm	2.327 in
Radius of gyration (ry)	3.88 cm	1.526 in