RHS 170x120x8.2 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 170x120 (México) · Caño estructural 170x120 (Argentina)

The RHS 170x120x8.2 steel profile weighs 33.9 kg/m (22.75 lb/ft), has a depth of 170 mm (6.69 in), flange width 120 mm (4.72 in). Cross-sectional area: 4,313.882 mm². Moment of inertia Ix = 1,663.879 cm⁴, Iy = 965.654 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)	8.2 mm	0.32 in
Fillet radius (r)	16.4 mm	0.65 in
Weight	33.9 kg/m	22.75 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,313.88 mm²	6.687 in²
Moment of inertia (Ix)	1,663.88 cm⁴	39.97 in⁴
Moment of inertia (Iy)	965.65 cm⁴	23.20 in⁴
Elastic section modulus (Sx)	195.75 cm³	11.945 in³
Elastic section modulus (Sy)	160.94 cm³	9.821 in³
Plastic section modulus (Zx)	241.49 cm³	14.737 in³
Plastic section modulus (Zy)	189.73 cm³	11.578 in³
Radius of gyration (rx)	6.21 cm	2.445 in
Radius of gyration (ry)	4.73 cm	1.863 in