RHS 170x130x8.2 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 170x130 (México) · Caño estructural 170x130 (Argentina)

The RHS 170x130x8.2 steel profile weighs 35.1 kg/m (23.62 lb/ft), has a depth of 170 mm (6.69 in), flange width 130 mm (5.12 in). Cross-sectional area: 4,477.882 mm². Moment of inertia Ix = 1,771.306 cm⁴, Iy = 1,166.307 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	170 mm	6.69 in
Width (b)	130 mm	5.12 in
Thickness (t)	8.2 mm	0.32 in
Fillet radius (r)	16.4 mm	0.65 in
Weight	35.1 kg/m	23.62 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,477.88 mm²	6.941 in²
Moment of inertia (Ix)	1,771.31 cm⁴	42.56 in⁴
Moment of inertia (Iy)	1,166.31 cm⁴	28.02 in⁴
Elastic section modulus (Sx)	208.39 cm³	12.717 in³
Elastic section modulus (Sy)	179.43 cm³	10.950 in³
Plastic section modulus (Zx)	254.76 cm³	15.546 in³
Plastic section modulus (Zy)	211.71 cm³	12.919 in³
Radius of gyration (rx)	6.29 cm	2.476 in
Radius of gyration (ry)	5.1 cm	2.009 in