1.Molecular Formula:FW2.Appearance: Tungsten powder is dark grey.Spaying tungsten powder bright grey3.Application: mostly used as material for production of Tungsten plate, bar and Cemented carbide products
Oxygen Content
|
Grade |
Oxygen Content（%） |
|
FW-1 |
≤0.20 |
|
FW-2 |
≤0.25 |
|
FWP-1 |
≤0.20 |
Chemical Composition
|
Grade |
FW-1 |
FW-2 |
FWP-1 | |
|
Main Comp W Min. (%) |
99.95 |
99.9 |
99.9 | |
|
Impurities Max.（%） |
Pb |
0.001 |
0.001 |
0.001 |
|
Bi |
1E-04 |
0.001 |
0.001 | |
|
Sn |
1E-04 |
0.001 |
0.001 | |
|
Sb |
0.001 |
0.001 |
0.001 | |
|
As |
0.002 |
0.002 |
0.002 | |
|
Fe |
0.005 |
0.02 |
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 |
0.01 | |
|
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 |
/ | |
Notes:1).Normal size range: 1-20um, if with super fine or coarse grain size, then contact us in details. 2).Please make it clear as you order about: BET or F.S.S.S, Oxygen and trace element content.3).Packing:In steel drum with two layer ploythene bags4).Net weight per drum:50kg,100kg,200kg