RHS 100x50x4.75 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 6 (México) · Caño estructural 100x50 (Argentina)

The RHS 100x50x4.75 steel profile weighs 10.0 kg/m (6.73 lb/ft), has a depth of 100 mm (3.94 in), flange width 50 mm (1.97 in). Cross-sectional area: 1,276.647 mm². Moment of inertia Ix = 152.506 cm⁴, Iy = 50.703 cm⁴.

Cross-section (not to scale)

Gauge equivalent: 4.75 mm ≈ 7 gauge (Manufacturers Standard Gage)

Dimensions

Property	Metric	Imperial
Depth (h)	100 mm	3.94 in
Width (b)	50 mm	1.97 in
Thickness (t)	4.8 mm	0.19 in
Fillet radius (r)	9.5 mm	0.37 in
Weight	10.0 kg/m	6.73 lb/ft

Section Properties

Property	Metric	Imperial
Area (A)	1,276.65 mm²	1.979 in²
Moment of inertia (Ix)	152.51 cm⁴	3.66 in⁴
Moment of inertia (Iy)	50.7 cm⁴	1.22 in⁴
Elastic section modulus (Sx)	30.5 cm³	1.861 in³
Elastic section modulus (Sy)	20.28 cm³	1.238 in³
Plastic section modulus (Zx)	39.22 cm³	2.393 in³
Plastic section modulus (Zy)	23.99 cm³	1.464 in³
Radius of gyration (rx)	3.46 cm	1.361 in
Radius of gyration (ry)	1.99 cm	0.785 in