RHS 170x120x9.5 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 170x120 (México) · Caño estructural 170x120 (Argentina)

The RHS 170x120x9.5 steel profile weighs 38.6 kg/m (25.94 lb/ft), has a depth of 170 mm (6.69 in), flange width 120 mm (4.72 in). Cross-sectional area: 4,916.586 mm². Moment of inertia Ix = 1,854.435 cm⁴, Iy = 1,072.966 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	170 mm	6.69 in
Width (b)	120 mm	4.72 in
Thickness (t)	9.5 mm	0.37 in
Fillet radius (r)	19 mm	0.75 in
Weight	38.6 kg/m	25.94 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,916.59 mm²	7.621 in²
Moment of inertia (Ix)	1,854.43 cm⁴	44.55 in⁴
Moment of inertia (Iy)	1,072.97 cm⁴	25.78 in⁴
Elastic section modulus (Sx)	218.17 cm³	13.314 in³
Elastic section modulus (Sy)	178.83 cm³	10.913 in³
Plastic section modulus (Zx)	271.93 cm³	16.595 in³
Plastic section modulus (Zy)	213.38 cm³	13.021 in³
Radius of gyration (rx)	6.14 cm	2.418 in
Radius of gyration (ry)	4.67 cm	1.839 in