RHS 280x200x11.1 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 280x200 (México) · Caño estructural 280x200 (Argentina)

The RHS 280x200x11.1 steel profile weighs 77.3 kg/m (51.94 lb/ft), has a depth of 280 mm (11.02 in), flange width 200 mm (7.87 in). Cross-sectional area: 9,845.867 mm². Moment of inertia Ix = 10,597.23 cm⁴, Iy = 6,287.557 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	280 mm	11.02 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	77.3 kg/m	51.94 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,845.87 mm²	15.261 in²
Moment of inertia (Ix)	10,597.23 cm⁴	254.60 in⁴
Moment of inertia (Iy)	6,287.56 cm⁴	151.06 in⁴
Elastic section modulus (Sx)	756.94 cm³	46.192 in³
Elastic section modulus (Sy)	628.76 cm³	38.369 in³
Plastic section modulus (Zx)	922.06 cm³	56.268 in³
Plastic section modulus (Zy)	731.48 cm³	44.638 in³
Radius of gyration (rx)	10.37 cm	4.084 in
Radius of gyration (ry)	7.99 cm	3.146 in