RHS 120x80x1.6 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 120x80 cal 16 (México) · Caño estructural 120x80 (Argentina)

The RHS 120x80x1.6 steel profile weighs 4.9 kg/m (3.29 lb/ft), has a depth of 120 mm (4.72 in), flange width 80 mm (3.15 in). Cross-sectional area: 623.167 mm². Moment of inertia Ix = 129.866 cm⁴, Iy = 70.056 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 1.6 mm ≈ 16 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	120 mm	4.72 in
Width (b)	80 mm	3.15 in
Thickness (t)	1.6 mm	0.06 in
Fillet radius (r)	3.2 mm	0.13 in
Weight	4.9 kg/m	3.29 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	623.17 mm²	0.966 in²
Moment of inertia (Ix)	129.87 cm⁴	3.12 in⁴
Moment of inertia (Iy)	70.06 cm⁴	1.68 in⁴
Elastic section modulus (Sx)	21.64 cm³	1.321 in³
Elastic section modulus (Sy)	17.51 cm³	1.069 in³
Plastic section modulus (Zx)	25.68 cm³	1.567 in³
Plastic section modulus (Zy)	19.51 cm³	1.191 in³
Radius of gyration (rx)	4.57 cm	1.797 in
Radius of gyration (ry)	3.35 cm	1.320 in