RHS 100x40x2.5 Tuboeuropa · Weight & Dimensions

Tuboeuropa, 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.

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Also known as: PTR 100x40 cal 13 (México) · Caño estructural 100x40 (Argentina)

The RHS 100x40x2.5 steel profile weighs 5.2 kg/m (3.47 lb/ft), has a depth of 100 mm (3.94 in), flange width 40 mm (1.57 in). Cross-sectional area: 658.905 mm². Moment of inertia Ix = 79.318 cm⁴, Iy = 18.778 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 2.5 mm ≈ 12 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	100 mm	3.94 in
Width (b)	40 mm	1.57 in
Thickness (t)	2.5 mm	0.10 in
Fillet radius (r)	5 mm	0.20 in
Weight	5.2 kg/m	3.47 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	658.9 mm²	1.021 in²
Moment of inertia (Ix)	79.32 cm⁴	1.91 in⁴
Moment of inertia (Iy)	18.78 cm⁴	0.45 in⁴
Elastic section modulus (Sx)	15.86 cm³	0.968 in³
Elastic section modulus (Sy)	9.39 cm³	0.573 in³
Plastic section modulus (Zx)	20.23 cm³	1.235 in³
Plastic section modulus (Zy)	10.59 cm³	0.646 in³
Radius of gyration (rx)	3.47 cm	1.366 in
Radius of gyration (ry)	1.69 cm	0.665 in