RHS 280x160x10.3 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 280x160 (México) · Caño estructural 280x160 (Argentina)

The RHS 280x160x10.3 steel profile weighs 65.7 kg/m (44.14 lb/ft), has a depth of 280 mm (11.02 in), flange width 160 mm (6.30 in). Cross-sectional area: 8,366.435 mm². Moment of inertia Ix = 8,472.39 cm⁴, Iy = 3,535.429 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)	10.3 mm	0.41 in
Fillet radius (r)	20.6 mm	0.81 in
Weight	65.7 kg/m	44.14 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	8,366.43 mm²	12.968 in²
Moment of inertia (Ix)	8,472.39 cm⁴	203.55 in⁴
Moment of inertia (Iy)	3,535.43 cm⁴	84.94 in⁴
Elastic section modulus (Sx)	605.17 cm³	36.930 in³
Elastic section modulus (Sy)	441.93 cm³	26.968 in³
Plastic section modulus (Zx)	753.28 cm³	45.968 in³
Plastic section modulus (Zy)	510.48 cm³	31.152 in³
Radius of gyration (rx)	10.06 cm	3.962 in
Radius of gyration (ry)	6.5 cm	2.559 in