RHS 310x210x8.8 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 310x210 (México) · Caño estructural 310x210 (Argentina)

The RHS 310x210x8.8 steel profile weighs 67.8 kg/m (45.60 lb/ft), has a depth of 310 mm (12.20 in), flange width 210 mm (8.27 in). Cross-sectional area: 8,642.815 mm². Moment of inertia Ix = 11,582.835 cm⁴, Iy = 6,356.926 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	310 mm	12.20 in
Width (b)	210 mm	8.27 in
Thickness (t)	8.8 mm	0.35 in
Fillet radius (r)	17.6 mm	0.69 in
Weight	67.8 kg/m	45.60 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	8,642.81 mm²	13.396 in²
Moment of inertia (Ix)	11,582.84 cm⁴	278.28 in⁴
Moment of inertia (Iy)	6,356.93 cm⁴	152.73 in⁴
Elastic section modulus (Sx)	747.28 cm³	45.602 in³
Elastic section modulus (Sy)	605.42 cm³	36.945 in³
Plastic section modulus (Zx)	902.23 cm³	55.057 in³
Plastic section modulus (Zy)	691.14 cm³	42.176 in³
Radius of gyration (rx)	11.58 cm	4.558 in
Radius of gyration (ry)	8.58 cm	3.376 in