RHS 280x200x12.7 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 280x200x12.7 steel profile weighs 87.4 kg/m (58.72 lb/ft), has a depth of 280 mm (11.02 in), flange width 200 mm (7.87 in). Cross-sectional area: 11,131.482 mm². Moment of inertia Ix = 11,788.15 cm⁴, Iy = 6,978.496 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)	12.7 mm	0.50 in
Fillet radius (r)	25.4 mm	1.00 in
Weight	87.4 kg/m	58.72 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	11,131.48 mm²	17.254 in²
Moment of inertia (Ix)	11,788.15 cm⁴	283.21 in⁴
Moment of inertia (Iy)	6,978.5 cm⁴	167.66 in⁴
Elastic section modulus (Sx)	842.01 cm³	51.383 in³
Elastic section modulus (Sy)	697.85 cm³	42.586 in³
Plastic section modulus (Zx)	1,033.4 cm³	63.062 in³
Plastic section modulus (Zy)	819.07 cm³	49.983 in³
Radius of gyration (rx)	10.29 cm	4.051 in
Radius of gyration (ry)	7.92 cm	3.117 in