RHS 70x50x2 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 70x50 cal 15 (México) · Caño estructural 70x50 (Argentina)

The RHS 70x50x2 steel profile weighs 3.6 kg/m (2.39 lb/ft), has a depth of 70 mm (2.76 in), flange width 50 mm (1.97 in). Cross-sectional area: 453.699 mm². Moment of inertia Ix = 31.475 cm⁴, Iy = 18.758 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 2 mm ≈ 14 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	70 mm	2.76 in
Width (b)	50 mm	1.97 in
Thickness (t)	2 mm	0.08 in
Fillet radius (r)	4 mm	0.16 in
Weight	3.6 kg/m	2.39 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	453.7 mm²	0.703 in²
Moment of inertia (Ix)	31.48 cm⁴	0.76 in⁴
Moment of inertia (Iy)	18.76 cm⁴	0.45 in⁴
Elastic section modulus (Sx)	8.99 cm³	0.549 in³
Elastic section modulus (Sy)	7.5 cm³	0.458 in³
Plastic section modulus (Zx)	10.8 cm³	0.659 in³
Plastic section modulus (Zy)	8.58 cm³	0.524 in³
Radius of gyration (rx)	2.63 cm	1.037 in
Radius of gyration (ry)	2.03 cm	0.801 in