RHS 330x190x8.2 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 330x190 (México) · Caño estructural 330x190 (Argentina)

The RHS 330x190x8.2 steel profile weighs 63.5 kg/m (42.65 lb/ft), has a depth of 330 mm (12.99 in), flange width 190 mm (7.48 in). Cross-sectional area: 8,085.882 mm². Moment of inertia Ix = 11,821.079 cm⁴, Iy = 5,038.734 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	330 mm	12.99 in
Width (b)	190 mm	7.48 in
Thickness (t)	8.2 mm	0.32 in
Fillet radius (r)	16.4 mm	0.65 in
Weight	63.5 kg/m	42.65 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	8,085.88 mm²	12.533 in²
Moment of inertia (Ix)	11,821.08 cm⁴	284.00 in⁴
Moment of inertia (Iy)	5,038.73 cm⁴	121.06 in⁴
Elastic section modulus (Sx)	716.43 cm³	43.719 in³
Elastic section modulus (Sy)	530.39 cm³	32.367 in³
Plastic section modulus (Zx)	876.27 cm³	53.474 in³
Plastic section modulus (Zy)	599.33 cm³	36.573 in³
Radius of gyration (rx)	12.09 cm	4.760 in
Radius of gyration (ry)	7.89 cm	3.108 in