RHS 330x210x8.2 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 330x210x8.2 steel profile weighs 66.0 kg/m (44.39 lb/ft), has a depth of 330 mm (12.99 in), flange width 210 mm (8.27 in). Cross-sectional area: 8,413.882 mm². Moment of inertia Ix = 12,670.416 cm⁴, Iy = 6,319.344 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)	8.2 mm	0.32 in
Fillet radius (r)	16.4 mm	0.65 in
Weight	66.0 kg/m	44.39 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	8,413.88 mm²	13.042 in²
Moment of inertia (Ix)	12,670.42 cm⁴	304.41 in⁴
Moment of inertia (Iy)	6,319.34 cm⁴	151.82 in⁴
Elastic section modulus (Sx)	767.9 cm³	46.861 in³
Elastic section modulus (Sy)	601.84 cm³	36.727 in³
Plastic section modulus (Zx)	929.05 cm³	56.694 in³
Plastic section modulus (Zy)	681.83 cm³	41.608 in³
Radius of gyration (rx)	12.27 cm	4.831 in
Radius of gyration (ry)	8.67 cm	3.412 in