RHS 45x10x1.2 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 45x10 cal 18 (México) · Caño estructural 45x10 (Argentina)

The RHS 45x10x1.2 steel profile weighs 1.0 kg/m (0.65 lb/ft), has a depth of 45 mm (1.77 in), flange width 10 mm (0.39 in). Cross-sectional area: 122.532 mm². Moment of inertia Ix = 2.514 cm⁴, Iy = 0.211 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)	10 mm	0.39 in
Thickness (t)	1.2 mm	0.05 in
Fillet radius (r)	2.4 mm	0.09 in
Weight	1.0 kg/m	0.65 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	122.53 mm²	0.190 in²
Moment of inertia (Ix)	2.51 cm⁴	0.06 in⁴
Moment of inertia (Iy)	0.21 cm⁴	0.01 in⁴
Elastic section modulus (Sx)	1.12 cm³	0.068 in³
Elastic section modulus (Sy)	0.42 cm³	0.026 in³
Plastic section modulus (Zx)	1.53 cm³	0.093 in³
Plastic section modulus (Zy)	0.49 cm³	0.030 in³
Radius of gyration (rx)	1.43 cm	0.564 in
Radius of gyration (ry)	0.41 cm	0.163 in