RHS 170x100x12.7 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 170x100x12.7 steel profile weighs 45.5 kg/m (30.58 lb/ft), has a depth of 170 mm (6.69 in), flange width 100 mm (3.94 in). Cross-sectional area: 5,797.482 mm². Moment of inertia Ix = 1,931.712 cm⁴, Iy = 822.85 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)	12.7 mm	0.50 in
Fillet radius (r)	25.4 mm	1.00 in
Weight	45.5 kg/m	30.58 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,797.48 mm²	8.986 in²
Moment of inertia (Ix)	1,931.71 cm⁴	46.41 in⁴
Moment of inertia (Iy)	822.85 cm⁴	19.77 in⁴
Elastic section modulus (Sx)	227.26 cm³	13.868 in³
Elastic section modulus (Sy)	164.57 cm³	10.043 in³
Plastic section modulus (Zx)	298.23 cm³	18.199 in³
Plastic section modulus (Zy)	204.04 cm³	12.451 in³
Radius of gyration (rx)	5.77 cm	2.273 in
Radius of gyration (ry)	3.77 cm	1.483 in