RHS 110x70x2 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 15 (México) · Caño estructural 110x70 (Argentina)

The RHS 110x70x2 steel profile weighs 5.5 kg/m (3.66 lb/ft), has a depth of 110 mm (4.33 in), flange width 70 mm (2.76 in). Cross-sectional area: 693.699 mm². Moment of inertia Ix = 118.285 cm⁴, Iy = 59.227 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 2 mm ≈ 14 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 mm	0.08 in
Fillet radius (r)	4 mm	0.16 in
Weight	5.5 kg/m	3.66 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	693.7 mm²	1.075 in²
Moment of inertia (Ix)	118.28 cm⁴	2.84 in⁴
Moment of inertia (Iy)	59.23 cm⁴	1.42 in⁴
Elastic section modulus (Sx)	21.51 cm³	1.312 in³
Elastic section modulus (Sy)	16.92 cm³	1.033 in³
Plastic section modulus (Zx)	25.79 cm³	1.574 in³
Plastic section modulus (Zy)	18.96 cm³	1.157 in³
Radius of gyration (rx)	4.13 cm	1.626 in
Radius of gyration (ry)	2.92 cm	1.150 in