RHS 70x25x2 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 70x25 cal 15 (México) · Caño estructural 70x25 (Argentina)

The RHS 70x25x2 steel profile weighs 2.8 kg/m (1.87 lb/ft), has a depth of 70 mm (2.76 in), flange width 25 mm (0.98 in). Cross-sectional area: 353.699 mm². Moment of inertia Ix = 19.912 cm⁴, Iy = 3.87 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)	25 mm	0.98 in
Thickness (t)	2 mm	0.08 in
Fillet radius (r)	4 mm	0.16 in
Weight	2.8 kg/m	1.87 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	353.7 mm²	0.548 in²
Moment of inertia (Ix)	19.91 cm⁴	0.48 in⁴
Moment of inertia (Iy)	3.87 cm⁴	0.09 in⁴
Elastic section modulus (Sx)	5.69 cm³	0.347 in³
Elastic section modulus (Sy)	3.1 cm³	0.189 in³
Plastic section modulus (Zx)	7.4 cm³	0.452 in³
Plastic section modulus (Zy)	3.54 cm³	0.216 in³
Radius of gyration (rx)	2.37 cm	0.934 in
Radius of gyration (ry)	1.05 cm	0.412 in