RHS 320x250x8.2 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 320x250 (México) · Caño estructural 320x250 (Argentina)

The RHS 320x250x8.2 steel profile weighs 69.9 kg/m (46.98 lb/ft), has a depth of 320 mm (12.60 in), flange width 250 mm (9.84 in). Cross-sectional area: 8,905.882 mm². Moment of inertia Ix = 13,357.028 cm⁴, Iy = 9,152.15 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)	8.2 mm	0.32 in
Fillet radius (r)	16.4 mm	0.65 in
Weight	69.9 kg/m	46.98 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	8,905.88 mm²	13.804 in²
Moment of inertia (Ix)	13,357.03 cm⁴	320.90 in⁴
Moment of inertia (Iy)	9,152.15 cm⁴	219.88 in⁴
Elastic section modulus (Sx)	834.81 cm³	50.944 in³
Elastic section modulus (Sy)	732.17 cm³	44.680 in³
Plastic section modulus (Zx)	989.66 cm³	60.393 in³
Plastic section modulus (Zy)	836.84 cm³	51.067 in³
Radius of gyration (rx)	12.25 cm	4.821 in
Radius of gyration (ry)	10.14 cm	3.991 in