RHS 159x100x2.25 Tecnometal · Weight & Dimensions

Tecnometal, cold-formed sections (Brazil) · 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 159x100 cal 14 (México) · Caño estructural 159x100 (Argentina)

The RHS 159x100x2.25 steel profile weighs 8.9 kg/m (5.97 lb/ft), has a depth of 159 mm (6.26 in), flange width 100 mm (3.94 in). Cross-sectional area: 1,132.213 mm². Moment of inertia Ix = 406.584 cm⁴, Iy = 200.404 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 2.25 mm ≈ 13 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	159 mm	6.26 in
Width (b)	100 mm	3.94 in
Thickness (t)	2.3 mm	0.09 in
Fillet radius (r)	4.5 mm	0.18 in
Weight	8.9 kg/m	5.97 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,132.21 mm²	1.755 in²
Moment of inertia (Ix)	406.58 cm⁴	9.77 in⁴
Moment of inertia (Iy)	200.4 cm⁴	4.81 in⁴
Elastic section modulus (Sx)	51.14 cm³	3.121 in³
Elastic section modulus (Sy)	40.08 cm³	2.446 in³
Plastic section modulus (Zx)	61.09 cm³	3.728 in³
Plastic section modulus (Zy)	44.58 cm³	2.721 in³
Radius of gyration (rx)	5.99 cm	2.359 in
Radius of gyration (ry)	4.21 cm	1.656 in