RHS 110x50x4 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 8 (México) · Caño estructural 110x50 (Argentina)

The RHS 110x50x4 steel profile weighs 9.2 kg/m (6.20 lb/ft), has a depth of 110 mm (4.33 in), flange width 50 mm (1.97 in). Cross-sectional area: 1,174.796 mm². Moment of inertia Ix = 171.041 cm⁴, Iy = 49.192 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4 mm ≈ 8 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	110 mm	4.33 in
Width (b)	50 mm	1.97 in
Thickness (t)	4 mm	0.16 in
Fillet radius (r)	8 mm	0.31 in
Weight	9.2 kg/m	6.20 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,174.8 mm²	1.821 in²
Moment of inertia (Ix)	171.04 cm⁴	4.11 in⁴
Moment of inertia (Iy)	49.19 cm⁴	1.18 in⁴
Elastic section modulus (Sx)	31.1 cm³	1.898 in³
Elastic section modulus (Sy)	19.68 cm³	1.201 in³
Plastic section modulus (Zx)	39.77 cm³	2.427 in³
Plastic section modulus (Zy)	22.77 cm³	1.389 in³
Radius of gyration (rx)	3.82 cm	1.502 in
Radius of gyration (ry)	2.05 cm	0.806 in