RHS 159x100x6.3 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 4 (México) · Caño estructural 159x100 (Argentina)

The RHS 159x100x6.3 steel profile weighs 23.6 kg/m (15.84 lb/ft), has a depth of 159 mm (6.26 in), flange width 100 mm (3.94 in). Cross-sectional area: 3,002.429 mm². Moment of inertia Ix = 1,001.726 cm⁴, Iy = 486.174 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 6.3 mm ≈ 3 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	159 mm	6.26 in
Width (b)	100 mm	3.94 in
Thickness (t)	6.3 mm	0.25 in
Fillet radius (r)	12.6 mm	0.50 in
Weight	23.6 kg/m	15.84 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	3,002.43 mm²	4.654 in²
Moment of inertia (Ix)	1,001.73 cm⁴	24.07 in⁴
Moment of inertia (Iy)	486.17 cm⁴	11.68 in⁴
Elastic section modulus (Sx)	126 cm³	7.689 in³
Elastic section modulus (Sy)	97.23 cm³	5.934 in³
Plastic section modulus (Zx)	155.71 cm³	9.502 in³
Plastic section modulus (Zy)	112.93 cm³	6.892 in³
Radius of gyration (rx)	5.78 cm	2.274 in
Radius of gyration (ry)	4.02 cm	1.584 in