RHS 45x30x2 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 45x30 cal 15 (México) · Caño estructural 45x30 (Argentina)

The RHS 45x30x2 steel profile weighs 2.1 kg/m (1.44 lb/ft), has a depth of 45 mm (1.77 in), flange width 30 mm (1.18 in). Cross-sectional area: 273.699 mm². Moment of inertia Ix = 7.345 cm⁴, Iy = 3.9 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)	30 mm	1.18 in
Thickness (t)	2 mm	0.08 in
Fillet radius (r)	4 mm	0.16 in
Weight	2.1 kg/m	1.44 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	273.7 mm²	0.424 in²
Moment of inertia (Ix)	7.34 cm⁴	0.18 in⁴
Moment of inertia (Iy)	3.9 cm⁴	0.09 in⁴
Elastic section modulus (Sx)	3.26 cm³	0.199 in³
Elastic section modulus (Sy)	2.6 cm³	0.159 in³
Plastic section modulus (Zx)	4.03 cm³	0.246 in³
Plastic section modulus (Zy)	3.05 cm³	0.186 in³
Radius of gyration (rx)	1.64 cm	0.645 in
Radius of gyration (ry)	1.19 cm	0.470 in