RHS 100x20x2 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 100x20 cal 15 (México) · Caño estructural 100x20 (Argentina)

The RHS 100x20x2 steel profile weighs 3.6 kg/m (2.39 lb/ft), has a depth of 100 mm (3.94 in), flange width 20 mm (0.79 in). Cross-sectional area: 453.699 mm². Moment of inertia Ix = 46.166 cm⁴, Iy = 3.295 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)	20 mm	0.79 in
Thickness (t)	2 mm	0.08 in
Fillet radius (r)	4 mm	0.16 in
Weight	3.6 kg/m	2.39 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	453.7 mm²	0.703 in²
Moment of inertia (Ix)	46.17 cm⁴	1.11 in⁴
Moment of inertia (Iy)	3.29 cm⁴	0.08 in⁴
Elastic section modulus (Sx)	9.23 cm³	0.563 in³
Elastic section modulus (Sy)	3.29 cm³	0.201 in³
Plastic section modulus (Zx)	12.62 cm³	0.770 in³
Plastic section modulus (Zy)	3.76 cm³	0.229 in³
Radius of gyration (rx)	3.19 cm	1.256 in
Radius of gyration (ry)	0.85 cm	0.336 in