RHS 130x70x7.1 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 130x70 (México) · Caño estructural 130x70 (Argentina)

The RHS 130x70x7.1 steel profile weighs 19.7 kg/m (13.23 lb/ft), has a depth of 130 mm (5.12 in), flange width 70 mm (2.76 in). Cross-sectional area: 2,508.543 mm². Moment of inertia Ix = 506.955 cm⁴, Iy = 189.27 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)	7.1 mm	0.28 in
Fillet radius (r)	14.2 mm	0.56 in
Weight	19.7 kg/m	13.23 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,508.54 mm²	3.888 in²
Moment of inertia (Ix)	506.96 cm⁴	12.18 in⁴
Moment of inertia (Iy)	189.27 cm⁴	4.55 in⁴
Elastic section modulus (Sx)	77.99 cm³	4.759 in³
Elastic section modulus (Sy)	54.08 cm³	3.300 in³
Plastic section modulus (Zx)	100.42 cm³	6.128 in³
Plastic section modulus (Zy)	64.74 cm³	3.951 in³
Radius of gyration (rx)	4.5 cm	1.770 in
Radius of gyration (ry)	2.75 cm	1.081 in