RHS 280x200x10.3 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 280x200x10.3 steel profile weighs 72.1 kg/m (48.48 lb/ft), has a depth of 280 mm (11.02 in), flange width 200 mm (7.87 in). Cross-sectional area: 9,190.435 mm². Moment of inertia Ix = 9,971.523 cm⁴, Iy = 5,923.008 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)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	72.1 kg/m	48.48 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	9,190.43 mm²	14.245 in²
Moment of inertia (Ix)	9,971.52 cm⁴	239.57 in⁴
Moment of inertia (Iy)	5,923.01 cm⁴	142.30 in⁴
Elastic section modulus (Sx)	712.25 cm³	43.464 in³
Elastic section modulus (Sy)	592.3 cm³	36.145 in³
Plastic section modulus (Zx)	864.4 cm³	52.749 in³
Plastic section modulus (Zy)	686.05 cm³	41.866 in³
Radius of gyration (rx)	10.42 cm	4.101 in
Radius of gyration (ry)	8.03 cm	3.161 in