RHS 130x80x8.8 V&M do Brasil · Weight & Dimensions

V&M do Brasil, hot-rolled 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 130x80x8.8 steel profile weighs 25.0 kg/m (16.81 lb/ft), has a depth of 130 mm (5.12 in), flange width 80 mm (3.15 in). Cross-sectional area: 3,186.815 mm². Moment of inertia Ix = 646.365 cm⁴, Iy = 297.902 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)	8.8 mm	0.35 in
Fillet radius (r)	17.6 mm	0.69 in
Weight	25.0 kg/m	16.81 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,186.81 mm²	4.940 in²
Moment of inertia (Ix)	646.37 cm⁴	15.53 in⁴
Moment of inertia (Iy)	297.9 cm⁴	7.16 in⁴
Elastic section modulus (Sx)	99.44 cm³	6.068 in³
Elastic section modulus (Sy)	74.48 cm³	4.545 in³
Plastic section modulus (Zx)	128.28 cm³	7.828 in³
Plastic section modulus (Zy)	90.94 cm³	5.549 in³
Radius of gyration (rx)	4.5 cm	1.773 in
Radius of gyration (ry)	3.06 cm	1.204 in