RHS 130x70x5.6 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 130x70 (México) · Caño estructural 130x70 (Argentina)

The RHS 130x70x5.6 steel profile weighs 16.0 kg/m (10.73 lb/ft), has a depth of 130 mm (5.12 in), flange width 70 mm (2.76 in). Cross-sectional area: 2,033.801 mm². Moment of inertia Ix = 427.01 cm⁴, Iy = 161.035 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 5.6 mm ≈ 4 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	130 mm	5.12 in
Width (b)	70 mm	2.76 in
Thickness (t)	5.6 mm	0.22 in
Fillet radius (r)	11.2 mm	0.44 in
Weight	16.0 kg/m	10.73 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,033.8 mm²	3.152 in²
Moment of inertia (Ix)	427.01 cm⁴	10.26 in⁴
Moment of inertia (Iy)	161.04 cm⁴	3.87 in⁴
Elastic section modulus (Sx)	65.69 cm³	4.009 in³
Elastic section modulus (Sy)	46.01 cm³	2.808 in³
Plastic section modulus (Zx)	83.12 cm³	5.072 in³
Plastic section modulus (Zy)	53.82 cm³	3.284 in³
Radius of gyration (rx)	4.58 cm	1.804 in
Radius of gyration (ry)	2.81 cm	1.108 in