RHS 159x100x3 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 11 (México) · Caño estructural 159x100 (Argentina)

The RHS 159x100x3 steel profile weighs 11.7 kg/m (7.88 lb/ft), has a depth of 159 mm (6.26 in), flange width 100 mm (3.94 in). Cross-sectional area: 1,494.823 mm². Moment of inertia Ix = 529.724 cm⁴, Iy = 260.343 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 3 mm ≈ 11 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	159 mm	6.26 in
Width (b)	100 mm	3.94 in
Thickness (t)	3 mm	0.12 in
Fillet radius (r)	6 mm	0.24 in
Weight	11.7 kg/m	7.88 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,494.82 mm²	2.317 in²
Moment of inertia (Ix)	529.72 cm⁴	12.73 in⁴
Moment of inertia (Iy)	260.34 cm⁴	6.25 in⁴
Elastic section modulus (Sx)	66.63 cm³	4.066 in³
Elastic section modulus (Sy)	52.07 cm³	3.177 in³
Plastic section modulus (Zx)	80.08 cm³	4.887 in³
Plastic section modulus (Zy)	58.38 cm³	3.562 in³
Radius of gyration (rx)	5.95 cm	2.344 in
Radius of gyration (ry)	4.17 cm	1.643 in