RHS 220x180x8 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 220x180 (México) · Caño estructural 220x180 (Argentina)

The RHS 220x180x8 steel profile weighs 46.9 kg/m (31.54 lb/ft), has a depth of 220 mm (8.66 in), flange width 180 mm (7.09 in). Cross-sectional area: 5,979.186 mm². Moment of inertia Ix = 4,175.543 cm⁴, Iy = 3,064.414 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	220 mm	8.66 in
Width (b)	180 mm	7.09 in
Thickness (t)	8 mm	0.31 in
Fillet radius (r)	16 mm	0.63 in
Weight	46.9 kg/m	31.54 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,979.19 mm²	9.268 in²
Moment of inertia (Ix)	4,175.54 cm⁴	100.32 in⁴
Moment of inertia (Iy)	3,064.41 cm⁴	73.62 in⁴
Elastic section modulus (Sx)	379.59 cm³	23.164 in³
Elastic section modulus (Sy)	340.49 cm³	20.778 in³
Plastic section modulus (Zx)	453.86 cm³	27.696 in³
Plastic section modulus (Zy)	395.72 cm³	24.148 in³
Radius of gyration (rx)	8.36 cm	3.290 in
Radius of gyration (ry)	7.16 cm	2.819 in