RHS 110x70x5.6 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 110x70 (México) · Caño estructural 110x70 (Argentina)

The RHS 110x70x5.6 steel profile weighs 14.2 kg/m (9.55 lb/ft), has a depth of 110 mm (4.33 in), flange width 70 mm (2.76 in). Cross-sectional area: 1,809.801 mm². Moment of inertia Ix = 280.365 cm⁴, Iy = 137.751 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	110 mm	4.33 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	14.2 kg/m	9.55 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,809.8 mm²	2.805 in²
Moment of inertia (Ix)	280.37 cm⁴	6.74 in⁴
Moment of inertia (Iy)	137.75 cm⁴	3.31 in⁴
Elastic section modulus (Sx)	50.98 cm³	3.111 in³
Elastic section modulus (Sy)	39.36 cm³	2.402 in³
Plastic section modulus (Zx)	63.9 cm³	3.899 in³
Plastic section modulus (Zy)	46.61 cm³	2.844 in³
Radius of gyration (rx)	3.94 cm	1.550 in
Radius of gyration (ry)	2.76 cm	1.086 in