RHS 130x80x6.3 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 cal 4 (México) · Caño estructural 130x80 (Argentina)

The RHS 130x80x6.3 steel profile weighs 18.7 kg/m (12.58 lb/ft), has a depth of 130 mm (5.12 in), flange width 80 mm (3.15 in). Cross-sectional area: 2,385.029 mm². Moment of inertia Ix = 514.248 cm⁴, Iy = 239.756 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.3 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	130 mm	5.12 in
Width (b)	80 mm	3.15 in
Thickness (t)	6.3 mm	0.25 in
Fillet radius (r)	12.6 mm	0.50 in
Weight	18.7 kg/m	12.58 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	2,385.03 mm²	3.697 in²
Moment of inertia (Ix)	514.25 cm⁴	12.35 in⁴
Moment of inertia (Iy)	239.76 cm⁴	5.76 in⁴
Elastic section modulus (Sx)	79.12 cm³	4.828 in³
Elastic section modulus (Sy)	59.94 cm³	3.658 in³
Plastic section modulus (Zx)	99.24 cm³	6.056 in³
Plastic section modulus (Zy)	70.7 cm³	4.315 in³
Radius of gyration (rx)	4.64 cm	1.828 in
Radius of gyration (ry)	3.17 cm	1.248 in