RHS 45x15x1.5 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 16 (México) · Caño estructural 45x15 (Argentina)

The RHS 45x15x1.5 steel profile weighs 1.3 kg/m (0.87 lb/ft), has a depth of 45 mm (1.77 in), flange width 15 mm (0.59 in). Cross-sectional area: 165.206 mm². Moment of inertia Ix = 3.696 cm⁴, Iy = 0.631 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 1.5 mm ≈ 16 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	45 mm	1.77 in
Width (b)	15 mm	0.59 in
Thickness (t)	1.5 mm	0.06 in
Fillet radius (r)	3 mm	0.12 in
Weight	1.3 kg/m	0.87 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	165.21 mm²	0.256 in²
Moment of inertia (Ix)	3.7 cm⁴	0.09 in⁴
Moment of inertia (Iy)	0.63 cm⁴	0.02 in⁴
Elastic section modulus (Sx)	1.64 cm³	0.100 in³
Elastic section modulus (Sy)	0.84 cm³	0.051 in³
Plastic section modulus (Zx)	2.17 cm³	0.133 in³
Plastic section modulus (Zy)	0.98 cm³	0.060 in³
Radius of gyration (rx)	1.5 cm	0.589 in
Radius of gyration (ry)	0.62 cm	0.243 in