RHS 100x50x3.2 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 11 (México) · Caño estructural 100x50 (Argentina)

The RHS 100x50x3.2 steel profile weighs 7.0 kg/m (4.71 lb/ft), has a depth of 100 mm (3.94 in), flange width 50 mm (1.97 in). Cross-sectional area: 892.67 mm². Moment of inertia Ix = 112.291 cm⁴, Iy = 37.951 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3.2 mm ≈ 10 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	100 mm	3.94 in
Width (b)	50 mm	1.97 in
Thickness (t)	3.2 mm	0.13 in
Fillet radius (r)	6.4 mm	0.25 in
Weight	7.0 kg/m	4.71 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	892.67 mm²	1.384 in²
Moment of inertia (Ix)	112.29 cm⁴	2.70 in⁴
Moment of inertia (Iy)	37.95 cm⁴	0.91 in⁴
Elastic section modulus (Sx)	22.46 cm³	1.370 in³
Elastic section modulus (Sy)	15.18 cm³	0.926 in³
Plastic section modulus (Zx)	28.2 cm³	1.721 in³
Plastic section modulus (Zy)	17.37 cm³	1.060 in³
Radius of gyration (rx)	3.55 cm	1.396 in
Radius of gyration (ry)	2.06 cm	0.812 in