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

 
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