RHS 45x30x1.5 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 45x30 cal 16 (México) · Caño estructural 45x30 (Argentina)

The RHS 45x30x1.5 steel profile weighs 1.6 kg/m (1.11 lb/ft), has a depth of 45 mm (1.77 in), flange width 30 mm (1.18 in). Cross-sectional area: 210.206 mm². Moment of inertia Ix = 5.826 cm⁴, Iy = 3.111 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)	30 mm	1.18 in
Thickness (t)	1.5 mm	0.06 in
Fillet radius (r)	3 mm	0.12 in
Weight	1.6 kg/m	1.11 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	210.21 mm²	0.326 in²
Moment of inertia (Ix)	5.83 cm⁴	0.14 in⁴
Moment of inertia (Iy)	3.11 cm⁴	0.07 in⁴
Elastic section modulus (Sx)	2.59 cm³	0.158 in³
Elastic section modulus (Sy)	2.07 cm³	0.127 in³
Plastic section modulus (Zx)	3.15 cm³	0.192 in³
Plastic section modulus (Zy)	2.39 cm³	0.146 in³
Radius of gyration (rx)	1.66 cm	0.655 in
Radius of gyration (ry)	1.22 cm	0.479 in