RHS 320x200x10.3 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 320x200 (México) · Caño estructural 320x200 (Argentina)

The RHS 320x200x10.3 steel profile weighs 78.6 kg/m (52.83 lb/ft), has a depth of 320 mm (12.60 in), flange width 200 mm (7.87 in). Cross-sectional area: 10,014.435 mm². Moment of inertia Ix = 13,807.715 cm⁴, Iy = 6,665.05 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	320 mm	12.60 in
Width (b)	200 mm	7.87 in
Thickness (t)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	78.6 kg/m	52.83 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,014.43 mm²	15.522 in²
Moment of inertia (Ix)	13,807.72 cm⁴	331.73 in⁴
Moment of inertia (Iy)	6,665.05 cm⁴	160.13 in⁴
Elastic section modulus (Sx)	862.98 cm³	52.663 in³
Elastic section modulus (Sy)	666.5 cm³	40.673 in³
Plastic section modulus (Zx)	1,056.45 cm³	64.469 in³
Plastic section modulus (Zy)	764.21 cm³	46.635 in³
Radius of gyration (rx)	11.74 cm	4.623 in
Radius of gyration (ry)	8.16 cm	3.212 in