RHS 240x160x7.1 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 240x160 (México) · Caño estructural 240x160 (Argentina)

The RHS 240x160x7.1 steel profile weighs 42.0 kg/m (28.22 lb/ft), has a depth of 240 mm (9.45 in), flange width 160 mm (6.30 in). Cross-sectional area: 5,348.543 mm². Moment of inertia Ix = 4,261.499 cm⁴, Iy = 2,279.755 cm⁴.

Cross-section (not to scale)

Dimensions

Property	Metric	Imperial
Depth (h)	240 mm	9.45 in
Width (b)	160 mm	6.30 in
Thickness (t)	7.1 mm	0.28 in
Fillet radius (r)	14.2 mm	0.56 in
Weight	42.0 kg/m	28.22 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	5,348.54 mm²	8.290 in²
Moment of inertia (Ix)	4,261.5 cm⁴	102.38 in⁴
Moment of inertia (Iy)	2,279.76 cm⁴	54.77 in⁴
Elastic section modulus (Sx)	355.12 cm³	21.671 in³
Elastic section modulus (Sy)	284.97 cm³	17.390 in³
Plastic section modulus (Zx)	430.17 cm³	26.251 in³
Plastic section modulus (Zy)	325.79 cm³	19.881 in³
Radius of gyration (rx)	8.93 cm	3.514 in
Radius of gyration (ry)	6.53 cm	2.570 in