RHS 35x25x1.2 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 18 (México) · Caño estructural 35x25 (Argentina)

The RHS 35x25x1.2 steel profile weighs 1.1 kg/m (0.71 lb/ft), has a depth of 35 mm (1.38 in), flange width 25 mm (0.98 in). Cross-sectional area: 134.532 mm². Moment of inertia Ix = 2.297 cm⁴, Iy = 1.366 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 1.2 mm ≈ 18 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	35 mm	1.38 in
Width (b)	25 mm	0.98 in
Thickness (t)	1.2 mm	0.05 in
Fillet radius (r)	2.4 mm	0.09 in
Weight	1.1 kg/m	0.71 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	134.53 mm²	0.209 in²
Moment of inertia (Ix)	2.3 cm⁴	0.06 in⁴
Moment of inertia (Iy)	1.37 cm⁴	0.03 in⁴
Elastic section modulus (Sx)	1.31 cm³	0.080 in³
Elastic section modulus (Sy)	1.09 cm³	0.067 in³
Plastic section modulus (Zx)	1.59 cm³	0.097 in³
Plastic section modulus (Zy)	1.26 cm³	0.077 in³
Radius of gyration (rx)	1.31 cm	0.514 in
Radius of gyration (ry)	1.01 cm	0.397 in