RHS 330x210x10.3 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 330x210x10.3 steel profile weighs 81.8 kg/m (55.00 lb/ft), has a depth of 330 mm (12.99 in), flange width 210 mm (8.27 in). Cross-sectional area: 10,426.435 mm². Moment of inertia Ix = 15,415.922 cm⁴, Iy = 7,660.031 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)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	81.8 kg/m	55.00 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,426.43 mm²	16.161 in²
Moment of inertia (Ix)	15,415.92 cm⁴	370.37 in⁴
Moment of inertia (Iy)	7,660.03 cm⁴	184.03 in⁴
Elastic section modulus (Sx)	934.3 cm³	57.015 in³
Elastic section modulus (Sy)	729.53 cm³	44.519 in³
Plastic section modulus (Zx)	1,139.96 cm³	69.565 in³
Plastic section modulus (Zy)	835.37 cm³	50.977 in³
Radius of gyration (rx)	12.16 cm	4.787 in
Radius of gyration (ry)	8.57 cm	3.375 in