RHS 170x120x12.7 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 170x120x12.7 steel profile weighs 49.5 kg/m (33.26 lb/ft), has a depth of 170 mm (6.69 in), flange width 120 mm (4.72 in). Cross-sectional area: 6,305.482 mm². Moment of inertia Ix = 2,246.634 cm⁴, Iy = 1,290.603 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)	12.7 mm	0.50 in
Fillet radius (r)	25.4 mm	1.00 in
Weight	49.5 kg/m	33.26 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	6,305.48 mm²	9.773 in²
Moment of inertia (Ix)	2,246.63 cm⁴	53.98 in⁴
Moment of inertia (Iy)	1,290.6 cm⁴	31.01 in⁴
Elastic section modulus (Sx)	264.31 cm³	16.129 in³
Elastic section modulus (Sy)	215.1 cm³	13.126 in³
Plastic section modulus (Zx)	338.18 cm³	20.637 in³
Plastic section modulus (Zy)	264.56 cm³	16.144 in³
Radius of gyration (rx)	5.97 cm	2.350 in
Radius of gyration (ry)	4.52 cm	1.781 in