RHS 260x180x9.5 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 260x180 (México) · Caño estructural 260x180 (Argentina)

The RHS 260x180x9.5 steel profile weighs 61.0 kg/m (40.97 lb/ft), has a depth of 260 mm (10.24 in), flange width 180 mm (7.09 in). Cross-sectional area: 7,766.586 mm². Moment of inertia Ix = 7,202.117 cm⁴, Iy = 4,073.991 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	260 mm	10.24 in
Width (b)	180 mm	7.09 in
Thickness (t)	9.5 mm	0.37 in
Fillet radius (r)	19 mm	0.75 in
Weight	61.0 kg/m	40.97 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	7,766.59 mm²	12.038 in²
Moment of inertia (Ix)	7,202.12 cm⁴	173.03 in⁴
Moment of inertia (Iy)	4,073.99 cm⁴	97.88 in⁴
Elastic section modulus (Sx)	554.01 cm³	33.808 in³
Elastic section modulus (Sy)	452.67 cm³	27.623 in³
Plastic section modulus (Zx)	674.44 cm³	41.157 in³
Plastic section modulus (Zy)	523.76 cm³	31.962 in³
Radius of gyration (rx)	9.63 cm	3.791 in
Radius of gyration (ry)	7.24 cm	2.851 in