RHS 50x40x2 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 50x40 cal 15 (México) · Caño estructural 50x40 (Argentina)

The RHS 50x40x2 steel profile weighs 2.6 kg/m (1.76 lb/ft), has a depth of 50 mm (1.97 in), flange width 40 mm (1.57 in). Cross-sectional area: 333.699 mm². Moment of inertia Ix = 11.842 cm⁴, Iy = 8.386 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	50 mm	1.97 in
Width (b)	40 mm	1.57 in
Thickness (t)	2 mm	0.08 in
Fillet radius (r)	4 mm	0.16 in
Weight	2.6 kg/m	1.76 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	333.7 mm²	0.517 in²
Moment of inertia (Ix)	11.84 cm⁴	0.28 in⁴
Moment of inertia (Iy)	8.39 cm⁴	0.20 in⁴
Elastic section modulus (Sx)	4.74 cm³	0.289 in³
Elastic section modulus (Sy)	4.19 cm³	0.256 in³
Plastic section modulus (Zx)	5.7 cm³	0.348 in³
Plastic section modulus (Zy)	4.89 cm³	0.299 in³
Radius of gyration (rx)	1.88 cm	0.742 in
Radius of gyration (ry)	1.59 cm	0.624 in