RHS 100x50x2 Acindar · Weight & Dimensions

Acindar, 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 100x50 cal 15 (México) · Caño estructural 100x50 (Argentina)

The RHS 100x50x2 steel profile weighs 4.5 kg/m (3.02 lb/ft), has a depth of 100 mm (3.94 in), flange width 50 mm (1.97 in). Cross-sectional area: 573.699 mm². Moment of inertia Ix = 74.982 cm⁴, Iy = 25.674 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	100 mm	3.94 in
Width (b)	50 mm	1.97 in
Thickness (t)	2 mm	0.08 in
Fillet radius (r)	4 mm	0.16 in
Weight	4.5 kg/m	3.02 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	573.7 mm²	0.889 in²
Moment of inertia (Ix)	74.98 cm⁴	1.80 in⁴
Moment of inertia (Iy)	25.67 cm⁴	0.62 in⁴
Elastic section modulus (Sx)	15 cm³	0.915 in³
Elastic section modulus (Sy)	10.27 cm³	0.627 in³
Plastic section modulus (Zx)	18.5 cm³	1.129 in³
Plastic section modulus (Zy)	11.46 cm³	0.699 in³
Radius of gyration (rx)	3.62 cm	1.423 in
Radius of gyration (ry)	2.12 cm	0.833 in