RHS 320x200x11.1 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 320x200x11.1 steel profile weighs 84.3 kg/m (56.62 lb/ft), has a depth of 320 mm (12.60 in), flange width 200 mm (7.87 in). Cross-sectional area: 10,733.867 mm². Moment of inertia Ix = 14,691.13 cm⁴, Iy = 7,080.636 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)	11.1 mm	0.44 in
Fillet radius (r)	22.2 mm	0.87 in
Weight	84.3 kg/m	56.62 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,733.87 mm²	16.637 in²
Moment of inertia (Ix)	14,691.13 cm⁴	352.95 in⁴
Moment of inertia (Iy)	7,080.64 cm⁴	170.11 in⁴
Elastic section modulus (Sx)	918.2 cm³	56.032 in³
Elastic section modulus (Sy)	708.06 cm³	43.209 in³
Plastic section modulus (Zx)	1,127.85 cm³	68.826 in³
Plastic section modulus (Zy)	815.36 cm³	49.756 in³
Radius of gyration (rx)	11.7 cm	4.606 in
Radius of gyration (ry)	8.12 cm	3.198 in