S type (Universal application）
S type tungsten metal powder with wide application, stable quality and low impurity contents is produced according to GESAC’s standard specification.
Main properties
|
Grade |
F.S.S.S.（um）
|
Main chemical composition（%）
|
|
W
|
N.V.R
|
O
|
|
GW008
|
0.80-0.90
|
≧99.9
|
≦0.010
|
≦0.25
|
|
GW010
|
0.90-1.10
|
≧99.9
|
≦0.010
|
≦0.20
|
|
GW015
|
1.40-1.60
|
≧99.9
|
≦0.010
|
≦0.12
|
|
GW020
|
1.80-2.20
|
≧99.9
|
≦0.010
|
≦0.08
|
|
GW025
|
2.30-2.70
|
≧99.9
|
≦0.010
|
≦0.08
|
|
GW030
|
2.80-3.20
|
≧99.9
|
≦0.010
|
≦0.06
|
|
GW035
|
3.30-3.70
|
≧99.9
|
≦0.010
|
≦0.06
|
|
GW040
|
3.80-4.20
|
≧99.9
|
≦0.010
|
≦0.04
|
|
GW045
|
4.30-4.70
|
≧99.9
|
≦0.010
|
≦0.04
|
|
GW050
|
4.80-5.20
|
≧99.9
|
≦0.010
|
≦0.04
|
|
GW055
|
5.30-5.70
|
≧99.9
|
≦0.010
|
≦0.04
|
|
GW060
|
5.50-6.50
|
≧99.9
|
≦0.010
|
≦0.04
|
|
GW090
|
8.0-10.0
|
≧99.9
|
≦0.010
|
≦0.04
|
|
GW100
|
9.0-11.0
|
≧99.9
|
≦0.010
|
≦0.03
|
|
GW150
|
13.0-17.0
|
≧99.9
|
≦0.010
|
≦0.03
|
|
GW200
|
16.0-24.0
|
≧99.9
|
≦0.010
|
≦0.03
|
※Average particle size is F.S.S.S particle（ASTM B330-2005 Standard）
※ N.V.R is the residue after chlorinated volatile
※ Tungsten content equals to 100% minus the total impurity element content.
Main properties
|
Element |
Max
|
Typical
|
Element
|
Max
|
Typical
|
Element
|
Max
|
Typical
|
|
Al
|
0.0010
|
0.0005
|
Cu
|
0.0003
|
0.0001
|
P
|
0.0010
|
0.0005
|
|
As
|
0.0010
|
0.0005
|
Fe
|
0.0050
|
0.0010
|
Pb
|
0.0003
|
0.0001
|
|
Bi
|
0.0003
|
0.0001
|
K
|
0.0015
|
0.0010
|
S
|
0.0010
|
0.0005
|
|
C
|
0.0030
|
0.0010
|
Mg
|
0.0010
|
0.0005
|
Sb
|
0.0005
|
0.0003
|
|
Ca
|
0.0015
|
0.0006
|
Mn
|
0.0010
|
0.0005
|
Si
|
0.0015
|
0.0010
|
|
Cd
|
0.0005
|
0.0001
|
Mo
|
0.0030
|
0.0016
|
Sn
|
0.0003
|
0.0001
|
|
Co
|
0.0010
|
0.0005
|
Na
|
0.0015
|
0.0007
|
Ti
|
0.0010
|
0.0005
|
|
Cr
|
0.0020
|
0.0010
|
Ni
|
0.0020
|
0.0010
|
V
|
0.0010
|
0.0005
|
G type (Specific application in Pure Tungsten products and Heavy Alloy)
G type tungsten metal powder with high purity, good flowability and formability, especially can be used for manufacturing higher formability pure tungsten products and heavy alloy.
Main properties
|
Grade |
F.S.S.S.（um）
|
O(%)
|
N.V.R(%)
|
|
GW015G
|
1.4-1.6
|
≦0.12
|
≦0.01
|
|
GW025G
|
2.4-2.6
|
≦0.08
|
≦0.01
|
|
GW030G
|
2.8-3.2
|
≦0.04
|
≦0.01
|
|
GW040G
|
3.8-4.2
|
≦0.04
|
≦0.01
|
|
GW050G
|
4.8-5.2
|
≦0.04
|
≦0.01
|
|
GW065G
|
6.3-6.7
|
≦0.04
|
≦0.01
|
T type（Specific application in Tungsten Sputter Target）
T type tungsten metal powder with high purity, low oxygen content and good formability can be used for manufacturing tungsten sputter target with higher purity, higher density, well-distributed, lower impurity and lower oxygen content, can meet the requirement of sputter coating.
Main properties 
|
Grade |
W(%)
|
O(%)
|
|
Max
|
Typical
|
|
GW010T
|
≧99.99
|
0.18
|
0.10
|
|
GW025T
|
≧99.99
|
0.07
|
0.05
|
|
GW040T
|
≧99.99
|
0.04
|
0.03
|
|
GW050T
|
≧99.99
|
0.04
|
0.02
|
|
GW120T
|
≧99.99
|
0.03
|
0.01
|
E Type (Specific application in Electrical Alloy)
Main properties
|
Grade |
F.s.s.s（um）
|
N.V.R(%)
|
|
GW020E
|
1.8-2.2
|
≦0.01
|
|
GW025E
|
2.2-2.8
|
≦0.01
|
|
GW030E
|
2.8-3.5
|
≦0.01
|
|
GW040E
|
3.5-4.5
|
≦0.01
|
|
GW050E
|
4.5-5.5
|
≦0.01
|
|
GW060E
|
5.5-6.5
|
≦0.01
|
|
GW065E
|
6.0-7.0
|
≦0.01
|
