RHS 45x35x1 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 45x35 cal 18 (México) · Caño estructural 45x35 (Argentina)

The RHS 45x35x1 steel profile weighs 1.2 kg/m (0.81 lb/ft), has a depth of 45 mm (1.77 in), flange width 35 mm (1.38 in). Cross-sectional area: 153.425 mm². Moment of inertia Ix = 4.586 cm⁴, Iy = 3.124 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 1 mm ≈ 18 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	45 mm	1.77 in
Width (b)	35 mm	1.38 in
Thickness (t)	1 mm	0.04 in
Fillet radius (r)	2 mm	0.08 in
Weight	1.2 kg/m	0.81 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	153.42 mm²	0.238 in²
Moment of inertia (Ix)	4.59 cm⁴	0.11 in⁴
Moment of inertia (Iy)	3.12 cm⁴	0.08 in⁴
Elastic section modulus (Sx)	2.04 cm³	0.124 in³
Elastic section modulus (Sy)	1.78 cm³	0.109 in³
Plastic section modulus (Zx)	2.41 cm³	0.147 in³
Plastic section modulus (Zy)	2.03 cm³	0.124 in³
Radius of gyration (rx)	1.73 cm	0.681 in
Radius of gyration (ry)	1.43 cm	0.562 in