RHS 180x130x8.8 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 180x130 (México) · Caño estructural 180x130 (Argentina)

The RHS 180x130x8.8 steel profile weighs 38.8 kg/m (26.09 lb/ft), has a depth of 180 mm (7.09 in), flange width 130 mm (5.12 in). Cross-sectional area: 4,946.815 mm². Moment of inertia Ix = 2,150.652 cm⁴, Iy = 1,293.837 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	180 mm	7.09 in
Width (b)	130 mm	5.12 in
Thickness (t)	8.8 mm	0.35 in
Fillet radius (r)	17.6 mm	0.69 in
Weight	38.8 kg/m	26.09 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	4,946.81 mm²	7.668 in²
Moment of inertia (Ix)	2,150.65 cm⁴	51.67 in⁴
Moment of inertia (Iy)	1,293.84 cm⁴	31.08 in⁴
Elastic section modulus (Sx)	238.96 cm³	14.582 in³
Elastic section modulus (Sy)	199.05 cm³	12.147 in³
Plastic section modulus (Zx)	294.28 cm³	17.958 in³
Plastic section modulus (Zy)	234.94 cm³	14.337 in³
Radius of gyration (rx)	6.59 cm	2.596 in
Radius of gyration (ry)	5.11 cm	2.013 in