RHS 170x100x8.2 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 170x100 (México) · Caño estructural 170x100 (Argentina)

The RHS 170x100x8.2 steel profile weighs 31.3 kg/m (21.03 lb/ft), has a depth of 170 mm (6.69 in), flange width 100 mm (3.94 in). Cross-sectional area: 3,985.882 mm². Moment of inertia Ix = 1,449.026 cm⁴, Iy = 628.236 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)	8.2 mm	0.32 in
Fillet radius (r)	16.4 mm	0.65 in
Weight	31.3 kg/m	21.03 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,985.88 mm²	6.178 in²
Moment of inertia (Ix)	1,449.03 cm⁴	34.81 in⁴
Moment of inertia (Iy)	628.24 cm⁴	15.09 in⁴
Elastic section modulus (Sx)	170.47 cm³	10.403 in³
Elastic section modulus (Sy)	125.65 cm³	7.667 in³
Plastic section modulus (Zx)	214.96 cm³	13.117 in³
Plastic section modulus (Zy)	148.23 cm³	9.046 in³
Radius of gyration (rx)	6.03 cm	2.374 in
Radius of gyration (ry)	3.97 cm	1.563 in