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99.95% W1 polishing tungsten round metal disc
  【Name 】: 99.95% W1 polishing tungsten round metal disc
【Type 】:polishing tungsten round metal disc
【MOQ 】:2pcs
【Packaging 】:wooden case
【Place of Origin】:baoji
【Size 】:Thickness 1-35mm*Dia 5-500mm
【 Brand Name 】:fitow
  

1.specification

Diameter (mm)

Thickness(mm)

5.0~600

0.2~35

 

 

 

 

 

Brand:W1,Surface finish : < Ra3.2 shining furnace

Working temperature: 1500 ~ 2600 In Vacuum or deoxidize atmosphere

2.Chemical composition:

Trace Elemen

Element

Ni

Mg

Fe

P

Al

Cu

Si

Mo

Ca

C

Concentration(%)

0.0007

0.0007

0.001

0.001

0.001

0.0005

0.001

0.003

0.001

0.001

Element

O

 

 

 

 

 

 

 

 

 

Concentration(%)

0.001

 

 

 

 

 

 

 

 

 

Purity(Metallic Base) W99.95%

 

3.Produce Method:

Powder Metallurgy

Tungsten Property

Melting point:

3420  oC±20  oC

Boiling point:

5550 oC

Coefficient of linear thermal expansion at 20 °C

4.2 · 10-6 [m/(m·K)]

Thermal conductivity at 20 °C

 164 [W/(m·K)]

Specific heat at 20 °C

0.13 [J/(g·K)]

Electrical conductivity at 20 °C

18 · 106 [1/Ω·m)]

Specific electrical resistance at 20 °C

: 0.050 [(Ω·mm2)/m]

4.Main applications:

Widely used in electrical systems,like the relay,circuit breaker,starter,temperature controller,and switch series,etc.

5.advantage in Tungsten Disc:

1)Large size, high purity, high density, Smooth furnace , difficulty structure

2)Long history and rich experience of of supplying kinds of furnace components

3)Competitive price & professional service. 

6.Our Advantage:

1.Competitive price.

2.Our strengths over other suppliers.

3.Reliable quality on the base of the same price.

4.Timely delivery as your requirements.

5.Professional service to cut much purchasing costs down.

7.Package details:

First, packaging with moisture-proof paper
Second
, packaging with kraft paper

Third, packaging with foam plastics in all side of plywood case.
Finally packing products in plywood case 

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Baoji Fitow Metal Co.,Ltd zh,
ADREASS:Tai Cheng road Wei Bin district, Baoji city, SHAANXI province 
Skype:fitowmetal fax:0917-6419172
Mobile:8613909176258 E- MSN:  fitowmetal@hotmail.com