RHS 170x120x10.3 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 170x120x10.3 steel profile weighs 41.4 kg/m (27.83 lb/ft), has a depth of 170 mm (6.69 in), flange width 120 mm (4.72 in). Cross-sectional area: 5,276.435 mm². Moment of inertia Ix = 1,962.55 cm⁴, Iy = 1,133.431 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)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	41.4 kg/m	27.83 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,276.43 mm²	8.178 in²
Moment of inertia (Ix)	1,962.55 cm⁴	47.15 in⁴
Moment of inertia (Iy)	1,133.43 cm⁴	27.23 in⁴
Elastic section modulus (Sx)	230.89 cm³	14.090 in³
Elastic section modulus (Sy)	188.91 cm³	11.528 in³
Plastic section modulus (Zx)	289.65 cm³	17.675 in³
Plastic section modulus (Zy)	227.1 cm³	13.859 in³
Radius of gyration (rx)	6.1 cm	2.401 in
Radius of gyration (ry)	4.63 cm	1.825 in