RHS 110x70x4.8 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 110x70 cal 6 (México) · Caño estructural 110x70 (Argentina)

The RHS 110x70x4.8 steel profile weighs 12.4 kg/m (8.32 lb/ft), has a depth of 110 mm (4.33 in), flange width 70 mm (2.76 in). Cross-sectional area: 1,576.507 mm². Moment of inertia Ix = 249.667 cm⁴, Iy = 123.172 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	110 mm	4.33 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	12.4 kg/m	8.32 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,576.51 mm²	2.444 in²
Moment of inertia (Ix)	249.67 cm⁴	6.00 in⁴
Moment of inertia (Iy)	123.17 cm⁴	2.96 in⁴
Elastic section modulus (Sx)	45.39 cm³	2.770 in³
Elastic section modulus (Sy)	35.19 cm³	2.148 in³
Plastic section modulus (Zx)	56.33 cm³	3.437 in³
Plastic section modulus (Zy)	41.16 cm³	2.512 in³
Radius of gyration (rx)	3.98 cm	1.567 in
Radius of gyration (ry)	2.8 cm	1.100 in