RHS 170x100x9.5 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 170x100x9.5 steel profile weighs 35.6 kg/m (23.93 lb/ft), has a depth of 170 mm (6.69 in), flange width 100 mm (3.94 in). Cross-sectional area: 4,536.586 mm². Moment of inertia Ix = 1,609.427 cm⁴, Iy = 694.101 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)	9.5 mm	0.37 in
Fillet radius (r)	19 mm	0.75 in
Weight	35.6 kg/m	23.93 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,536.59 mm²	7.032 in²
Moment of inertia (Ix)	1,609.43 cm⁴	38.67 in⁴
Moment of inertia (Iy)	694.1 cm⁴	16.68 in⁴
Elastic section modulus (Sx)	189.34 cm³	11.555 in³
Elastic section modulus (Sy)	138.82 cm³	8.471 in³
Plastic section modulus (Zx)	241.44 cm³	14.734 in³
Plastic section modulus (Zy)	166.12 cm³	10.137 in³
Radius of gyration (rx)	5.96 cm	2.345 in
Radius of gyration (ry)	3.91 cm	1.540 in