RHS 110x50x3 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 11 (México) · Caño estructural 110x50 (Argentina)

The RHS 110x50x3 steel profile weighs 7.1 kg/m (4.75 lb/ft), has a depth of 110 mm (4.33 in), flange width 50 mm (1.97 in). Cross-sectional area: 900.823 mm². Moment of inertia Ix = 135.267 cm⁴, Iy = 39.375 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3 mm ≈ 11 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	110 mm	4.33 in
Width (b)	50 mm	1.97 in
Thickness (t)	3 mm	0.12 in
Fillet radius (r)	6 mm	0.24 in
Weight	7.1 kg/m	4.75 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	900.82 mm²	1.396 in²
Moment of inertia (Ix)	135.27 cm⁴	3.25 in⁴
Moment of inertia (Iy)	39.38 cm⁴	0.95 in⁴
Elastic section modulus (Sx)	24.59 cm³	1.501 in³
Elastic section modulus (Sy)	15.75 cm³	0.961 in³
Plastic section modulus (Zx)	31.01 cm³	1.892 in³
Plastic section modulus (Zy)	17.85 cm³	1.089 in³
Radius of gyration (rx)	3.88 cm	1.526 in
Radius of gyration (ry)	2.09 cm	0.823 in