RHS 130x70x4.8 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 cal 6 (México) · Caño estructural 130x70 (Argentina)

The RHS 130x70x4.8 steel profile weighs 13.9 kg/m (9.33 lb/ft), has a depth of 130 mm (5.12 in), flange width 70 mm (2.76 in). Cross-sectional area: 1,768.507 mm². Moment of inertia Ix = 378.732 cm⁴, Iy = 143.614 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4.8 mm ≈ 7 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	130 mm	5.12 in
Width (b)	70 mm	2.76 in
Thickness (t)	4.8 mm	0.19 in
Fillet radius (r)	9.6 mm	0.38 in
Weight	13.9 kg/m	9.33 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,768.51 mm²	2.741 in²
Moment of inertia (Ix)	378.73 cm⁴	9.10 in⁴
Moment of inertia (Iy)	143.61 cm⁴	3.45 in⁴
Elastic section modulus (Sx)	58.27 cm³	3.556 in³
Elastic section modulus (Sy)	41.03 cm³	2.504 in³
Plastic section modulus (Zx)	73.05 cm³	4.458 in³
Plastic section modulus (Zy)	47.42 cm³	2.894 in³
Radius of gyration (rx)	4.63 cm	1.822 in
Radius of gyration (ry)	2.85 cm	1.122 in