RHS 320x200x8.2 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 320x200 (México) · Caño estructural 320x200 (Argentina)

The RHS 320x200x8.2 steel profile weighs 63.5 kg/m (42.65 lb/ft), has a depth of 320 mm (12.60 in), flange width 200 mm (7.87 in). Cross-sectional area: 8,085.882 mm². Moment of inertia Ix = 11,363.574 cm⁴, Iy = 5,507.495 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)	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)	11,363.57 cm⁴	273.01 in⁴
Moment of inertia (Iy)	5,507.49 cm⁴	132.32 in⁴
Elastic section modulus (Sx)	710.22 cm³	43.341 in³
Elastic section modulus (Sy)	550.75 cm³	33.609 in³
Plastic section modulus (Zx)	861.82 cm³	52.592 in³
Plastic section modulus (Zy)	624.44 cm³	38.106 in³
Radius of gyration (rx)	11.85 cm	4.667 in
Radius of gyration (ry)	8.25 cm	3.249 in