RHS 110x50x2.5 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 110x50 cal 13 (México) · Caño estructural 110x50 (Argentina)

The RHS 110x50x2.5 steel profile weighs 6.0 kg/m (4.01 lb/ft), has a depth of 110 mm (4.33 in), flange width 50 mm (1.97 in). Cross-sectional area: 758.905 mm². Moment of inertia Ix = 115.689 cm⁴, Iy = 33.881 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 2.5 mm ≈ 12 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	110 mm	4.33 in
Width (b)	50 mm	1.97 in
Thickness (t)	2.5 mm	0.10 in
Fillet radius (r)	5 mm	0.20 in
Weight	6.0 kg/m	4.01 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	758.9 mm²	1.176 in²
Moment of inertia (Ix)	115.69 cm⁴	2.78 in⁴
Moment of inertia (Iy)	33.88 cm⁴	0.81 in⁴
Elastic section modulus (Sx)	21.03 cm³	1.284 in³
Elastic section modulus (Sy)	13.55 cm³	0.827 in³
Plastic section modulus (Zx)	26.34 cm³	1.607 in³
Plastic section modulus (Zy)	15.2 cm³	0.927 in³
Radius of gyration (rx)	3.9 cm	1.537 in
Radius of gyration (ry)	2.11 cm	0.832 in