RHS 160x130x6.4 Açotubo · Weight & Dimensions

Açotubo, 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 160x130 cal 3 (México) · Caño estructural 160x130 (Argentina)

The RHS 160x130x6.4 steel profile weighs 27.0 kg/m (18.16 lb/ft), has a depth of 160 mm (6.30 in), flange width 130 mm (5.12 in). Cross-sectional area: 3,442.679 mm². Moment of inertia Ix = 1,256.795 cm⁴, Iy = 911.703 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.4 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	160 mm	6.30 in
Width (b)	130 mm	5.12 in
Thickness (t)	6.4 mm	0.25 in
Fillet radius (r)	12.8 mm	0.50 in
Weight	27.0 kg/m	18.16 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,442.68 mm²	5.336 in²
Moment of inertia (Ix)	1,256.79 cm⁴	30.19 in⁴
Moment of inertia (Iy)	911.7 cm⁴	21.90 in⁴
Elastic section modulus (Sx)	157.1 cm³	9.587 in³
Elastic section modulus (Sy)	140.26 cm³	8.559 in³
Plastic section modulus (Zx)	188.82 cm³	11.523 in³
Plastic section modulus (Zy)	163.79 cm³	9.995 in³
Radius of gyration (rx)	6.04 cm	2.379 in
Radius of gyration (ry)	5.15 cm	2.026 in