RHS 330x210x11.1 Açotubo · Weight & Dimensions

Açotubo, cold-formed 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 330x210 (México) · Caño estructural 330x210 (Argentina)

The RHS 330x210x11.1 steel profile weighs 87.8 kg/m (58.97 lb/ft), has a depth of 330 mm (12.99 in), flange width 210 mm (8.27 in). Cross-sectional area: 11,177.867 mm². Moment of inertia Ix = 16,410.65 cm⁴, Iy = 8,142.804 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	330 mm	12.99 in
Width (b)	210 mm	8.27 in
Thickness (t)	11.1 mm	0.44 in
Fillet radius (r)	22.2 mm	0.87 in
Weight	87.8 kg/m	58.97 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,177.87 mm²	17.326 in²
Moment of inertia (Ix)	16,410.65 cm⁴	394.27 in⁴
Moment of inertia (Iy)	8,142.8 cm⁴	195.63 in⁴
Elastic section modulus (Sx)	994.58 cm³	60.694 in³
Elastic section modulus (Sy)	775.51 cm³	47.324 in³
Plastic section modulus (Zx)	1,217.48 cm³	74.295 in³
Plastic section modulus (Zy)	891.66 cm³	54.413 in³
Radius of gyration (rx)	12.12 cm	4.770 in
Radius of gyration (ry)	8.54 cm	3.360 in