RHS 35x25x2.5 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 35x25 cal 13 (México) · Caño estructural 35x25 (Argentina)

The RHS 35x25x2.5 steel profile weighs 2.0 kg/m (1.36 lb/ft), has a depth of 35 mm (1.38 in), flange width 25 mm (0.98 in). Cross-sectional area: 258.905 mm². Moment of inertia Ix = 3.966 cm⁴, Iy = 2.325 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	35 mm	1.38 in
Width (b)	25 mm	0.98 in
Thickness (t)	2.5 mm	0.10 in
Fillet radius (r)	5 mm	0.20 in
Weight	2.0 kg/m	1.36 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	258.9 mm²	0.401 in²
Moment of inertia (Ix)	3.97 cm⁴	0.10 in⁴
Moment of inertia (Iy)	2.33 cm⁴	0.06 in⁴
Elastic section modulus (Sx)	2.27 cm³	0.138 in³
Elastic section modulus (Sy)	1.86 cm³	0.114 in³
Plastic section modulus (Zx)	2.88 cm³	0.176 in³
Plastic section modulus (Zy)	2.28 cm³	0.139 in³
Radius of gyration (rx)	1.24 cm	0.487 in
Radius of gyration (ry)	0.95 cm	0.373 in