Specification :

  Appearance: Dark gray powder

  Application: Widely use for tungsten products, contact alloy, high density alloy, cemented carbide, alloying agent etc.

  Oxygen Content:

Code Oxygen (%) Specification Applications
FW-1 d0.20 Fsss1-5¼m Apply for tungsten bar. tungsten plate, high temperature screen etc.
FW-2 d0.25
FWP-1 d0.20

  Chemical Composition:

Code FW-1 FW-2 FWP-1
Main Comp W Min.(%) 99.95 99.9 99.9
Content of Other Chemical
Element Max.(%)
Pb 0.001 0.001 0.001
Bi 0.0001 0.001 0.001
Sn 0.0001 0.001 0.001
Sb 0.001 0.001 0.001
As 0.002 0.002 0.002
Fe 0.005 0.020 0.03
Ni 0.003 0.005 0. 005
Cu 0.001 0.005 /
Al 0.001 0.003 0.005
Si 0.003 0.08 0.010
Ca 0.002 0.005 0.005
Mg 0.002 0.005 0.005
Mo 0.008 0.02 0.02
P 0.001 0.005 0.005
C 0.005 0 .008 0.01
K 0.002 0.005 /
Na 0.002 0.005 /