RHS 45x15x2 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 45x15 cal 15 (México) · Caño estructural 45x15 (Argentina)

The RHS 45x15x2 steel profile weighs 1.7 kg/m (1.13 lb/ft), has a depth of 45 mm (1.77 in), flange width 15 mm (0.59 in). Cross-sectional area: 213.699 mm². Moment of inertia Ix = 4.569 cm⁴, Iy = 0.759 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	45 mm	1.77 in
Width (b)	15 mm	0.59 in
Thickness (t)	2 mm	0.08 in
Fillet radius (r)	4 mm	0.16 in
Weight	1.7 kg/m	1.13 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	213.7 mm²	0.331 in²
Moment of inertia (Ix)	4.57 cm⁴	0.11 in⁴
Moment of inertia (Iy)	0.76 cm⁴	0.02 in⁴
Elastic section modulus (Sx)	2.03 cm³	0.124 in³
Elastic section modulus (Sy)	1.01 cm³	0.062 in³
Plastic section modulus (Zx)	2.74 cm³	0.167 in³
Plastic section modulus (Zy)	1.22 cm³	0.074 in³
Radius of gyration (rx)	1.46 cm	0.576 in
Radius of gyration (ry)	0.6 cm	0.235 in