RHS 130x100x6.4 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 130x100 cal 3 (México) · Caño estructural 130x100 (Argentina)

The RHS 130x100x6.4 steel profile weighs 21.0 kg/m (14.11 lb/ft), has a depth of 130 mm (5.12 in), flange width 100 mm (3.94 in). Cross-sectional area: 2,674.679 mm². Moment of inertia Ix = 618.123 cm⁴, Iy = 410.672 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	130 mm	5.12 in
Width (b)	100 mm	3.94 in
Thickness (t)	6.4 mm	0.25 in
Fillet radius (r)	12.8 mm	0.50 in
Weight	21.0 kg/m	14.11 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,674.68 mm²	4.146 in²
Moment of inertia (Ix)	618.12 cm⁴	14.85 in⁴
Moment of inertia (Iy)	410.67 cm⁴	9.87 in⁴
Elastic section modulus (Sx)	95.1 cm³	5.803 in³
Elastic section modulus (Sy)	82.13 cm³	5.012 in³
Plastic section modulus (Zx)	116.33 cm³	7.099 in³
Plastic section modulus (Zy)	97.06 cm³	5.923 in³
Radius of gyration (rx)	4.81 cm	1.893 in
Radius of gyration (ry)	3.92 cm	1.543 in