RHS 320x220x8.8 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 320x220 (México) · Caño estructural 320x220 (Argentina)

The RHS 320x220x8.8 steel profile weighs 70.6 kg/m (47.45 lb/ft), has a depth of 320 mm (12.60 in), flange width 220 mm (8.66 in). Cross-sectional area: 8,994.815 mm². Moment of inertia Ix = 12,933.049 cm⁴, Iy = 7,266.199 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	320 mm	12.60 in
Width (b)	220 mm	8.66 in
Thickness (t)	8.8 mm	0.35 in
Fillet radius (r)	17.6 mm	0.69 in
Weight	70.6 kg/m	47.45 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	8,994.81 mm²	13.942 in²
Moment of inertia (Ix)	12,933.05 cm⁴	310.72 in⁴
Moment of inertia (Iy)	7,266.2 cm⁴	174.57 in⁴
Elastic section modulus (Sx)	808.32 cm³	49.327 in³
Elastic section modulus (Sy)	660.56 cm³	40.310 in³
Plastic section modulus (Zx)	973.27 cm³	59.393 in³
Plastic section modulus (Zy)	753.38 cm³	45.974 in³
Radius of gyration (rx)	11.99 cm	4.721 in
Radius of gyration (ry)	8.99 cm	3.539 in