RHS 110x70x10.3 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 110x70x10.3 steel profile weighs 23.6 kg/m (15.88 lb/ft), has a depth of 110 mm (4.33 in), flange width 70 mm (2.76 in). Cross-sectional area: 3,010.435 mm². Moment of inertia Ix = 405.609 cm⁴, Iy = 195.002 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	110 mm	4.33 in
Width (b)	70 mm	2.76 in
Thickness (t)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	23.6 kg/m	15.88 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,010.43 mm²	4.666 in²
Moment of inertia (Ix)	405.61 cm⁴	9.74 in⁴
Moment of inertia (Iy)	195 cm⁴	4.68 in⁴
Elastic section modulus (Sx)	73.75 cm³	4.500 in³
Elastic section modulus (Sy)	55.71 cm³	3.400 in³
Plastic section modulus (Zx)	98.55 cm³	6.014 in³
Plastic section modulus (Zy)	71.17 cm³	4.343 in³
Radius of gyration (rx)	3.67 cm	1.445 in
Radius of gyration (ry)	2.55 cm	1.002 in