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Tungsten powder

Tungsten Powder

Appearance: Tungsten powder is dark grey, spraying tungsten powder is bright grey.
Application: For large W plate, W-Re thermocouple, contact alloy etc.
Specifications:


Grade

Main Composition
Min. W (%)

Oxygen Content
(%)

Particle Size Specs
(μ m)

FW-1

≥99.9

≤0.20

Negotiated by
Both Sides

FW-2

≤0.25

FWP-1

≤0.20

Impurity Content:


Grade

FW-1

FW-2

FWP-1

Impurity Content
Max. (%)

Pb

0.0001

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

0.030

Ni

0.002

0.005

0.005

Cu

0.001

0.003

 

Al

0.001

0.003

0.005

Si

0.002

0.010

0.010

Ca

0.001

0.005

0.005

Mg

0.001

0.005

0.005

Mo

0.005

0.020

0.020

P

0.001

0.005

0.005

C

0.005

0.008

0.010

K

0.015

0.002

 

Na

0.015

0.002

 

Co

0.001

 

 

Cr

0.001

 

 

Ti

0.001

 

 

V

0.001

 

 


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