RHS 45x35x1.2 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 45x35 cal 18 (México) · Caño estructural 45x35 (Argentina)

The RHS 45x35x1.2 steel profile weighs 1.4 kg/m (0.96 lb/ft), has a depth of 45 mm (1.77 in), flange width 35 mm (1.38 in). Cross-sectional area: 182.532 mm². Moment of inertia Ix = 5.392 cm⁴, Iy = 3.668 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 1.2 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)	1.2 mm	0.05 in
Fillet radius (r)	2.4 mm	0.09 in
Weight	1.4 kg/m	0.96 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	182.53 mm²	0.283 in²
Moment of inertia (Ix)	5.39 cm⁴	0.13 in⁴
Moment of inertia (Iy)	3.67 cm⁴	0.09 in⁴
Elastic section modulus (Sx)	2.4 cm³	0.146 in³
Elastic section modulus (Sy)	2.1 cm³	0.128 in³
Plastic section modulus (Zx)	2.85 cm³	0.174 in³
Plastic section modulus (Zy)	2.4 cm³	0.146 in³
Radius of gyration (rx)	1.72 cm	0.677 in
Radius of gyration (ry)	1.42 cm	0.558 in