RHS 130x80x8.2 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 130x80 (México) · Caño estructural 130x80 (Argentina)

The RHS 130x80x8.2 steel profile weighs 23.6 kg/m (15.83 lb/ft), has a depth of 130 mm (5.12 in), flange width 80 mm (3.15 in). Cross-sectional area: 3,001.882 mm². Moment of inertia Ix = 618.06 cm⁴, Iy = 285.623 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	130 mm	5.12 in
Width (b)	80 mm	3.15 in
Thickness (t)	8.2 mm	0.32 in
Fillet radius (r)	16.4 mm	0.65 in
Weight	23.6 kg/m	15.83 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,001.88 mm²	4.653 in²
Moment of inertia (Ix)	618.06 cm⁴	14.85 in⁴
Moment of inertia (Iy)	285.62 cm⁴	6.86 in⁴
Elastic section modulus (Sx)	95.09 cm³	5.803 in³
Elastic section modulus (Sy)	71.41 cm³	4.357 in³
Plastic section modulus (Zx)	121.82 cm³	7.434 in³
Plastic section modulus (Zy)	86.46 cm³	5.276 in³
Radius of gyration (rx)	4.54 cm	1.786 in
Radius of gyration (ry)	3.08 cm	1.214 in