RHS 100x50x6.3 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 100x50 cal 4 (México) · Caño estructural 100x50 (Argentina)

The RHS 100x50x6.3 steel profile weighs 12.8 kg/m (8.59 lb/ft), has a depth of 100 mm (3.94 in), flange width 50 mm (1.97 in). Cross-sectional area: 1,629.029 mm². Moment of inertia Ix = 184.27 cm⁴, Iy = 60.305 cm⁴.

Cross-section (not to scale)

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

Dimensions

Property	Metric	Imperial
Depth (h)	100 mm	3.94 in
Width (b)	50 mm	1.97 in
Thickness (t)	6.3 mm	0.25 in
Fillet radius (r)	12.6 mm	0.50 in
Weight	12.8 kg/m	8.59 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,629.03 mm²	2.525 in²
Moment of inertia (Ix)	184.27 cm⁴	4.43 in⁴
Moment of inertia (Iy)	60.3 cm⁴	1.45 in⁴
Elastic section modulus (Sx)	36.85 cm³	2.249 in³
Elastic section modulus (Sy)	24.12 cm³	1.472 in³
Plastic section modulus (Zx)	48.59 cm³	2.965 in³
Plastic section modulus (Zy)	29.5 cm³	1.800 in³
Radius of gyration (rx)	3.36 cm	1.324 in
Radius of gyration (ry)	1.92 cm	0.757 in