RHS 40x35x2 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 40x35 cal 15 (México) · Caño estructural 40x35 (Argentina)

The RHS 40x35x2 steel profile weighs 2.1 kg/m (1.44 lb/ft), has a depth of 40 mm (1.57 in), flange width 35 mm (1.38 in). Cross-sectional area: 273.699 mm². Moment of inertia Ix = 6.218 cm⁴, Iy = 5.053 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	40 mm	1.57 in
Width (b)	35 mm	1.38 in
Thickness (t)	2 mm	0.08 in
Fillet radius (r)	4 mm	0.16 in
Weight	2.1 kg/m	1.44 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	273.7 mm²	0.424 in²
Moment of inertia (Ix)	6.22 cm⁴	0.15 in⁴
Moment of inertia (Iy)	5.05 cm⁴	0.12 in⁴
Elastic section modulus (Sx)	3.11 cm³	0.190 in³
Elastic section modulus (Sy)	2.89 cm³	0.176 in³
Plastic section modulus (Zx)	3.75 cm³	0.229 in³
Plastic section modulus (Zy)	3.42 cm³	0.209 in³
Radius of gyration (rx)	1.51 cm	0.593 in
Radius of gyration (ry)	1.36 cm	0.535 in