RHS 110x50x3.5 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 11 (México) · Caño estructural 110x50 (Argentina)

The RHS 110x50x3.5 steel profile weighs 8.2 kg/m (5.48 lb/ft), has a depth of 110 mm (4.33 in), flange width 50 mm (1.97 in). Cross-sectional area: 1,039.454 mm². Moment of inertia Ix = 153.71 cm⁴, Iy = 44.474 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3.5 mm ≈ 10 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	110 mm	4.33 in
Width (b)	50 mm	1.97 in
Thickness (t)	3.5 mm	0.14 in
Fillet radius (r)	7 mm	0.28 in
Weight	8.2 kg/m	5.48 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,039.45 mm²	1.611 in²
Moment of inertia (Ix)	153.71 cm⁴	3.69 in⁴
Moment of inertia (Iy)	44.47 cm⁴	1.07 in⁴
Elastic section modulus (Sx)	27.95 cm³	1.705 in³
Elastic section modulus (Sy)	17.79 cm³	1.086 in³
Plastic section modulus (Zx)	35.49 cm³	2.166 in³
Plastic section modulus (Zy)	20.37 cm³	1.243 in³
Radius of gyration (rx)	3.85 cm	1.514 in
Radius of gyration (ry)	2.07 cm	0.814 in