RHS 180x130x6.3 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 180x130 cal 4 (México) · Caño estructural 180x130 (Argentina)

The RHS 180x130x6.3 steel profile weighs 28.6 kg/m (19.23 lb/ft), has a depth of 180 mm (7.09 in), flange width 130 mm (5.12 in). Cross-sectional area: 3,645.029 mm². Moment of inertia Ix = 1,648.038 cm⁴, Iy = 996.668 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	180 mm	7.09 in
Width (b)	130 mm	5.12 in
Thickness (t)	6.3 mm	0.25 in
Fillet radius (r)	12.6 mm	0.50 in
Weight	28.6 kg/m	19.23 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,645.03 mm²	5.650 in²
Moment of inertia (Ix)	1,648.04 cm⁴	39.59 in⁴
Moment of inertia (Iy)	996.67 cm⁴	23.94 in⁴
Elastic section modulus (Sx)	183.12 cm³	11.174 in³
Elastic section modulus (Sy)	153.33 cm³	9.357 in³
Plastic section modulus (Zx)	221.45 cm³	13.514 in³
Plastic section modulus (Zy)	177.17 cm³	10.812 in³
Radius of gyration (rx)	6.72 cm	2.647 in
Radius of gyration (ry)	5.23 cm	2.059 in