RHS 320x250x11.1 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 320x250 (México) · Caño estructural 320x250 (Argentina)

The RHS 320x250x11.1 steel profile weighs 93.0 kg/m (62.48 lb/ft), has a depth of 320 mm (12.60 in), flange width 250 mm (9.84 in). Cross-sectional area: 11,843.867 mm². Moment of inertia Ix = 17,340.152 cm⁴, Iy = 11,851.409 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	320 mm	12.60 in
Width (b)	250 mm	9.84 in
Thickness (t)	11.1 mm	0.44 in
Fillet radius (r)	22.2 mm	0.87 in
Weight	93.0 kg/m	62.48 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,843.87 mm²	18.358 in²
Moment of inertia (Ix)	17,340.15 cm⁴	416.60 in⁴
Moment of inertia (Iy)	11,851.41 cm⁴	284.73 in⁴
Elastic section modulus (Sx)	1,083.76 cm³	66.135 in³
Elastic section modulus (Sy)	948.11 cm³	57.858 in³
Plastic section modulus (Zx)	1,299.29 cm³	79.288 in³
Plastic section modulus (Zy)	1,097.58 cm³	66.979 in³
Radius of gyration (rx)	12.1 cm	4.764 in
Radius of gyration (ry)	10 cm	3.938 in