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2015 New Tungsten Powder with High Purity and Best Price
- 1 Ton / Tons per Month
- Tianjin
- 99.9%min Spherical nickel powder,Plasma spheroidized nickel powder
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- CAS 7440-33-7 W powder Pure tungsten powder
- W powder price Spherical tungsten powder for 3D printing
Product Details
Place of Origin: | Hebei, China | Brand Name: | Lockheed | Model Number: | 85%,90%,99% |
Product Description
What is Tungsten Powder
Tungsten powder is pure tungsten in powder, apparent black powder. The regular tungsten powder fearture with 2~10um, 99.90% or 99.95%. Tungsten powder used as material for tungsten product usually.
Chemical properties: Purity. The purity of tungsten powder is of particular importance in PM manufacturing of tungsten metal, since during subsequent sintering further purification through evaporation is only possible to a certain extent. The demand for purity of tungsten powder has increased steadily during the last three decades. Considerable improvements in hydrometallurgy have led to concentrations fairly below 10 µg/g for most of the elements. This trend with time can be demonstrated by comparing today's usual specifications with those given in the last book on "Tungsten" by Yih and Wang, published in 1979.
Physical properties. The relevant physical properties are average particle size, particle size distribution, apparent, tap, and compact or green density, specific surface other and can be influenced by the oxide properties and reduction conditions. They represent the important criteria for further processing and are responsible for the compactability, sintering behavior, dissolution reactions during liquid-phase sintering, and carburization reaction.
Agglomeration. The different between "as supplied" and "lab milled" (deagglomerated) particle sizes is measure of the degree of agglomeration. Agglomeration is very important for the strength of the green compacts and is therefore a necessary property for powder going into ductile tungsten production.
Compressibility. This is the ratio of green density to apparent density. The ratio increasing with increasing pressure until a limit is reached. Compressibility of a powder is an important criterion for press and die design.
Much effort was expended in the past to elucidate the dependence of the compactability of tungsten powders on grain size and grain size distribution. Low grain sizes result in too low green densities due to high friction between the particles. The closer the grain size distribution, the poorer the particle packing. So it is evident that broader grain size distributions, or even blends of powders having different average grain sizes, result in better packing and higher strength of the green compacts.
Compaction and green strength is also influenced by the particle morphology. More irregular shapes, which cause interlocking, improve the strength.
How to Order Tungsten Powder
Th1. Spec.
Grain size of tungsten powder we manufacture ranges from 0.1~50.0um.
Spec. | Grain Size/um | Oxygen/% Max. |
04 | BET:<0.10 | 0.80 |
06 | BET:0.10~0.20 | 0.50 |
08 | Fsss: ≥0.8~1.0 | 0.40 |
10 | Fsss:>1.0~1.5 | 0.30 |
15 | Fsss: >1.5~2.0 | 0.30 |
20 | Fsss: >2.0~3.0 | 0.25 |
30 | Fsss: >3.0~4.0 | 0.25 |
40 | Fsss: >4.0~5.0 | 0.25 |
50 | Fsss: >5.0~7.0 | 0.25 |
70 | Fsss: >7.0~10.0 | 0.20 |
100 | Fsss: >10.0~15.0 | 0.20 |
150 | Fsss: >15.0~20.0 | 0.10 |
200 | Fsss: >20.0~30.0 | 0.10 |
300 | Fsss: >30.0 | 0.10 |
2. Quantity
Since the sensitivity of tungsten powder, it should be exported with end user certificate, end application certificate and quota which should issue from government whose minimum quantity is 1000kgs. According to different inquiry, we offer different purchasing method as following:
Quantity /KG | Cost Description (Need to be borne on user's side) | / |
0~0.05 | Free sample for research delivery cost + bank fee (USD 30) | Delivery Cost Table A Order |
0.05~0.99 | Sample cost (USD 90) + bank fee + delivery cost | Delivery Cost Table B Order |
1.00~10.00 | Sample cost (USD 90/KG)+delivery cost + bank fee | Order |
10.00~100.00 | Could be delivered by EMS without quota and SGS certificated only quantity is under 10kgs. | Order |
100.00~500.00 | Please discuss with us. | Order |
500.00~1,000.00 | Issue quota with 1,000kgs used for exporting 500kgs for example. | Order |
1,000.00~ | CIF, at least 30 days needed to issue quota | Order |
3. Special Provisions
Because of sensitivity of tungsten powder, there are several areas that we are not able to export directly. An alternative port in other country is necessary to provide. Please contact to us, if the end users happened to in these areas.
4. Packing
Iron drums with double plastic bags innered by 100kgs or 200kgs net each. Other packing requirement, please feel free to discuss with us.
If you have any interest in our products, please feel free to contact us. Skype:li.bonnie3 Mob:+8615532807289
Welcome to my factory to view drilling equipment.We'll build a long-term cooperation.Thanks a lot.
Contact Us
- Cangzhou Lockheed Petroleum Machinery Co., Ltd.
- Contact nameVictoria Yin
- Phone86-317-3223997
- AddressJunziguan Village,Shijing Xiang,Hejian City Cangzhou,Hebei
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