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Tungsten Alloy EF 18N*



Tungsten alloys, which contain elements such as nickel, copper and iron, produce a host of alloys which have engineering properties similar to steel, are relatively easy to machine, and can be plated or painted to enhance their corrosion protection. These alloys are approximately 50% denser than lead resulting in a higher concentration of mass in a limited area.

Primary standard name



Density ρ

18 g/cm³ at 20 °C


Elastic modulus E

345 GPa at 20 °C

Elongation A

1 % at 20 °C

Hardness, Rockwell C HRC

34 [-] at 20 °C

Tensile strength Rm

648 MPa at 20 °C

Yield strength YS

517 MPa at 20 °C

Chemical properties


Weight %



95 %

Technological properties

Application areas

Common applications of Tungsten Alloys: Radiation shielding, boring bars, counterweights in aircraft and racing cars

This material data has been provided by Ed Fagan Inc..

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.