RHS 330x210x9.5 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 330x210x9.5 steel profile weighs 75.9 kg/m (50.99 lb/ft), has a depth of 330 mm (12.99 in), flange width 210 mm (8.27 in). Cross-sectional area: 9,666.586 mm². Moment of inertia Ix = 14,393.11 cm⁴, Iy = 7,161.945 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)	9.5 mm	0.37 in
Fillet radius (r)	19 mm	0.75 in
Weight	75.9 kg/m	50.99 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,666.59 mm²	14.983 in²
Moment of inertia (Ix)	14,393.11 cm⁴	345.79 in⁴
Moment of inertia (Iy)	7,161.94 cm⁴	172.07 in⁴
Elastic section modulus (Sx)	872.31 cm³	53.232 in³
Elastic section modulus (Sy)	682.09 cm³	41.624 in³
Plastic section modulus (Zx)	1,060.89 cm³	64.740 in³
Plastic section modulus (Zy)	777.86 cm³	47.468 in³
Radius of gyration (rx)	12.2 cm	4.804 in
Radius of gyration (ry)	8.61 cm	3.389 in