Чистейший вольфрамовый порошок

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Характеристики



Product Description


Tungsten (W) is one of the so-called transition metals with the atomic number 74,it's shiny gray metal in a solid state at room temperature.Tungsten has many outstanding characteristics,it has the highest melting point of all metal elements of 3422°C,and boiling point around 5,700°C closing to the surface temperature of Sun,thus it can withstand a very high temperature.With a high density of 19.3 g/cm³, closely to gold density,tungsten is widely used as counter weights for aircraft and helicopter.Tungsten is also resisted to various acid in room temperature,ever for hydrofluoric acid and aqua regia.  Tungsten powder is supplied by reduction from tungsten oxide,and is mainly used for processing into dense form and producing tungsten alloy.

Chemical specification



Elements 
Content ,Less than(%)
Elements 
Content ,Less than(%)
W
≥99.95
Mo
<0.005
Fe
<0.005
Pb
<0.0001
Ni
<0.003
Bi
<0.0001
Cu
<0.001
Sn
<0.0003
Al
<0.001
Sb
<0.001
Si
<0.002
As
<0.001
Ca
<0.002
P
<0.001
K+Na
<0.003
S
<0.001
Mg
<0.001
C
<0.005
Mn
<0.001
O
0.03~0.2


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Passed the ISO9001 quality system authentication and ROHS authentication.
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FAQ


Q: Are you trading company or manufacturer ?
A: We are factory.

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us as below:


Contact Us


Laura She

Sales Manager (Ms.)
Mobile: 86 18975831279
Tel: 86 731 88590085
Email: sales(a)rheniumet.com
Website: www.rheniumet.com


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