RHS 320x200x9.5 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 320x200 (México) · Caño estructural 320x200 (Argentina)

The RHS 320x200x9.5 steel profile weighs 72.9 kg/m (48.99 lb/ft), has a depth of 320 mm (12.60 in), flange width 200 mm (7.87 in). Cross-sectional area: 9,286.586 mm². Moment of inertia Ix = 12,898.137 cm⁴, Iy = 6,235.568 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)	9.5 mm	0.37 in
Fillet radius (r)	19 mm	0.75 in
Weight	72.9 kg/m	48.99 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,286.59 mm²	14.394 in²
Moment of inertia (Ix)	12,898.14 cm⁴	309.88 in⁴
Moment of inertia (Iy)	6,235.57 cm⁴	149.81 in⁴
Elastic section modulus (Sx)	806.13 cm³	49.193 in³
Elastic section modulus (Sy)	623.56 cm³	38.052 in³
Plastic section modulus (Zx)	983.53 cm³	60.019 in³
Plastic section modulus (Zy)	711.91 cm³	43.443 in³
Radius of gyration (rx)	11.79 cm	4.640 in
Radius of gyration (ry)	8.19 cm	3.226 in