RHS 20x15x0.8 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 20x15 (México) · Caño estructural 20x15 (Argentina)

The RHS 20x15x0.8 steel profile weighs 0.4 kg/m (0.28 lb/ft), has a depth of 20 mm (0.79 in), flange width 15 mm (0.59 in). Cross-sectional area: 51.792 mm². Moment of inertia Ix = 0.288 cm⁴, Iy = 0.185 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 0.8 mm ≈ 18 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	20 mm	0.79 in
Width (b)	15 mm	0.59 in
Thickness (t)	0.8 mm	0.03 in
Fillet radius (r)	1.6 mm	0.06 in
Weight	0.4 kg/m	0.28 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	51.79 mm²	0.080 in²
Moment of inertia (Ix)	0.29 cm⁴	0.01 in⁴
Moment of inertia (Iy)	0.18 cm⁴	0.00 in⁴
Elastic section modulus (Sx)	0.29 cm³	0.018 in³
Elastic section modulus (Sy)	0.25 cm³	0.015 in³
Plastic section modulus (Zx)	0.35 cm³	0.021 in³
Plastic section modulus (Zy)	0.29 cm³	0.018 in³
Radius of gyration (rx)	0.75 cm	0.294 in
Radius of gyration (ry)	0.6 cm	0.235 in