RHS 110x70x2.5 Hiasa · Weight & Dimensions

Hiasa, 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 13 (México) · Caño estructural 110x70 (Argentina)

The RHS 110x70x2.5 steel profile weighs 6.7 kg/m (4.53 lb/ft), has a depth of 110 mm (4.33 in), flange width 70 mm (2.76 in). Cross-sectional area: 858.905 mm². Moment of inertia Ix = 144.585 cm⁴, Iy = 72.202 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 2.5 mm ≈ 12 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	110 mm	4.33 in
Width (b)	70 mm	2.76 in
Thickness (t)	2.5 mm	0.10 in
Fillet radius (r)	5 mm	0.20 in
Weight	6.7 kg/m	4.53 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	858.9 mm²	1.331 in²
Moment of inertia (Ix)	144.58 cm⁴	3.47 in⁴
Moment of inertia (Iy)	72.2 cm⁴	1.73 in⁴
Elastic section modulus (Sx)	26.29 cm³	1.604 in³
Elastic section modulus (Sy)	20.63 cm³	1.259 in³
Plastic section modulus (Zx)	31.72 cm³	1.935 in³
Plastic section modulus (Zy)	23.29 cm³	1.421 in³
Radius of gyration (rx)	4.1 cm	1.615 in
Radius of gyration (ry)	2.9 cm	1.141 in