RHS 170x120x11.1 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 170x120x11.1 steel profile weighs 44.2 kg/m (29.69 lb/ft), has a depth of 170 mm (6.69 in), flange width 120 mm (4.72 in). Cross-sectional area: 5,627.867 mm². Moment of inertia Ix = 2,063.862 cm⁴, Iy = 1,189.785 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)	11.1 mm	0.44 in
Fillet radius (r)	22.2 mm	0.87 in
Weight	44.2 kg/m	29.69 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,627.87 mm²	8.723 in²
Moment of inertia (Ix)	2,063.86 cm⁴	49.58 in⁴
Moment of inertia (Iy)	1,189.78 cm⁴	28.58 in⁴
Elastic section modulus (Sx)	242.81 cm³	14.817 in³
Elastic section modulus (Sy)	198.3 cm³	12.101 in³
Plastic section modulus (Zx)	306.59 cm³	18.709 in³
Plastic section modulus (Zy)	240.2 cm³	14.658 in³
Radius of gyration (rx)	6.06 cm	2.384 in
Radius of gyration (ry)	4.6 cm	1.810 in