RHS 130x70x8.8 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 130x70x8.8 steel profile weighs 23.6 kg/m (15.88 lb/ft), has a depth of 130 mm (5.12 in), flange width 70 mm (2.76 in). Cross-sectional area: 3,010.815 mm². Moment of inertia Ix = 581.618 cm⁴, Iy = 214.784 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	130 mm	5.12 in
Width (b)	70 mm	2.76 in
Thickness (t)	8.8 mm	0.35 in
Fillet radius (r)	17.6 mm	0.69 in
Weight	23.6 kg/m	15.88 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,010.81 mm²	4.667 in²
Moment of inertia (Ix)	581.62 cm⁴	13.97 in⁴
Moment of inertia (Iy)	214.78 cm⁴	5.16 in⁴
Elastic section modulus (Sx)	89.48 cm³	5.460 in³
Elastic section modulus (Sy)	61.37 cm³	3.745 in³
Plastic section modulus (Zx)	117.61 cm³	7.177 in³
Plastic section modulus (Zy)	75.44 cm³	4.604 in³
Radius of gyration (rx)	4.4 cm	1.730 in
Radius of gyration (ry)	2.67 cm	1.052 in