RHS 280x160x9.5 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 280x160 (México) · Caño estructural 280x160 (Argentina)

The RHS 280x160x9.5 steel profile weighs 61.0 kg/m (40.97 lb/ft), has a depth of 280 mm (11.02 in), flange width 160 mm (6.30 in). Cross-sectional area: 7,766.586 mm². Moment of inertia Ix = 7,934.528 cm⁴, Iy = 3,318.339 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	280 mm	11.02 in
Width (b)	160 mm	6.30 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)	7,934.53 cm⁴	190.63 in⁴
Moment of inertia (Iy)	3,318.34 cm⁴	79.72 in⁴
Elastic section modulus (Sx)	566.75 cm³	34.585 in³
Elastic section modulus (Sy)	414.79 cm³	25.312 in³
Plastic section modulus (Zx)	702.61 cm³	42.876 in³
Plastic section modulus (Zy)	476.59 cm³	29.083 in³
Radius of gyration (rx)	10.11 cm	3.979 in
Radius of gyration (ry)	6.54 cm	2.573 in