RHS 320x250x9.5 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 320x250 (México) · Caño estructural 320x250 (Argentina)

The RHS 320x250x9.5 steel profile weighs 80.4 kg/m (54.00 lb/ft), has a depth of 320 mm (12.60 in), flange width 250 mm (9.84 in). Cross-sectional area: 10,236.586 mm². Moment of inertia Ix = 15,188.595 cm⁴, Iy = 10,395.312 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)	9.5 mm	0.37 in
Fillet radius (r)	19 mm	0.75 in
Weight	80.4 kg/m	54.00 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,236.59 mm²	15.867 in²
Moment of inertia (Ix)	15,188.6 cm⁴	364.91 in⁴
Moment of inertia (Iy)	10,395.31 cm⁴	249.75 in⁴
Elastic section modulus (Sx)	949.29 cm³	57.929 in³
Elastic section modulus (Sy)	831.62 cm³	50.749 in³
Plastic section modulus (Zx)	1,131.02 cm³	69.019 in³
Plastic section modulus (Zy)	955.95 cm³	58.336 in³
Radius of gyration (rx)	12.18 cm	4.796 in
Radius of gyration (ry)	10.08 cm	3.967 in