RHS 280x160x12.7 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 280x160 (México) · Caño estructural 280x160 (Argentina)

The RHS 280x160x12.7 steel profile weighs 79.4 kg/m (53.36 lb/ft), has a depth of 280 mm (11.02 in), flange width 160 mm (6.30 in). Cross-sectional area: 10,115.482 mm². Moment of inertia Ix = 9,971.972 cm⁴, Iy = 4,133.91 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)	12.7 mm	0.50 in
Fillet radius (r)	25.4 mm	1.00 in
Weight	79.4 kg/m	53.36 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	10,115.48 mm²	15.679 in²
Moment of inertia (Ix)	9,971.97 cm⁴	239.58 in⁴
Moment of inertia (Iy)	4,133.91 cm⁴	99.32 in⁴
Elastic section modulus (Sx)	712.28 cm³	43.466 in³
Elastic section modulus (Sy)	516.74 cm³	31.533 in³
Plastic section modulus (Zx)	897.61 cm³	54.776 in³
Plastic section modulus (Zy)	606.61 cm³	37.017 in³
Radius of gyration (rx)	9.93 cm	3.909 in
Radius of gyration (ry)	6.39 cm	2.517 in