RHS 160x80x6.35 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 160x80 cal 3 (México) · Caño estructural 160x80 (Argentina)

The RHS 160x80x6.35 steel profile weighs 21.9 kg/m (14.68 lb/ft), has a depth of 160 mm (6.30 in), flange width 80 mm (3.15 in). Cross-sectional area: 2,783.416 mm². Moment of inertia Ix = 874.133 cm⁴, Iy = 292.985 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.35 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	160 mm	6.30 in
Width (b)	80 mm	3.15 in
Thickness (t)	6.3 mm	0.25 in
Fillet radius (r)	12.7 mm	0.50 in
Weight	21.9 kg/m	14.68 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,783.42 mm²	4.314 in²
Moment of inertia (Ix)	874.13 cm⁴	21.00 in⁴
Moment of inertia (Iy)	292.99 cm⁴	7.04 in⁴
Elastic section modulus (Sx)	109.27 cm³	6.668 in³
Elastic section modulus (Sy)	73.25 cm³	4.470 in³
Plastic section modulus (Zx)	138.8 cm³	8.470 in³
Plastic section modulus (Zy)	85.2 cm³	5.199 in³
Radius of gyration (rx)	5.6 cm	2.206 in
Radius of gyration (ry)	3.24 cm	1.277 in