RHS 90x50x2 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 90x50 cal 15 (México) · Caño estructural 90x50 (Argentina)

The RHS 90x50x2 steel profile weighs 4.2 kg/m (2.82 lb/ft), has a depth of 90 mm (3.54 in), flange width 50 mm (1.97 in). Cross-sectional area: 533.699 mm². Moment of inertia Ix = 57.878 cm⁴, Iy = 23.368 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	90 mm	3.54 in
Width (b)	50 mm	1.97 in
Thickness (t)	2 mm	0.08 in
Fillet radius (r)	4 mm	0.16 in
Weight	4.2 kg/m	2.82 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	533.7 mm²	0.827 in²
Moment of inertia (Ix)	57.88 cm⁴	1.39 in⁴
Moment of inertia (Iy)	23.37 cm⁴	0.56 in⁴
Elastic section modulus (Sx)	12.86 cm³	0.785 in³
Elastic section modulus (Sy)	9.35 cm³	0.570 in³
Plastic section modulus (Zx)	15.74 cm³	0.960 in³
Plastic section modulus (Zy)	10.5 cm³	0.641 in³
Radius of gyration (rx)	3.29 cm	1.297 in
Radius of gyration (ry)	2.09 cm	0.824 in