RHS 80x50x2 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 80x50 cal 15 (México) · Caño estructural 80x50 (Argentina)

The RHS 80x50x2 steel profile weighs 3.9 kg/m (2.61 lb/ft), has a depth of 80 mm (3.15 in), flange width 50 mm (1.97 in). Cross-sectional area: 493.699 mm². Moment of inertia Ix = 43.442 cm⁴, Iy = 21.063 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	80 mm	3.15 in
Width (b)	50 mm	1.97 in
Thickness (t)	2 mm	0.08 in
Fillet radius (r)	4 mm	0.16 in
Weight	3.9 kg/m	2.61 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	493.7 mm²	0.765 in²
Moment of inertia (Ix)	43.44 cm⁴	1.04 in⁴
Moment of inertia (Iy)	21.06 cm⁴	0.51 in⁴
Elastic section modulus (Sx)	10.86 cm³	0.663 in³
Elastic section modulus (Sy)	8.43 cm³	0.514 in³
Plastic section modulus (Zx)	13.17 cm³	0.804 in³
Plastic section modulus (Zy)	9.54 cm³	0.582 in³
Radius of gyration (rx)	2.97 cm	1.168 in
Radius of gyration (ry)	2.07 cm	0.813 in