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Phone Number :
+86 15836043611
Low Thermal Expansion Tungsten Carbide Flat Stock Heat Resistance
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xProduct Details
| Name | Tungsten Flat Bar | Purity | 99.95% Min |
|---|---|---|---|
| Diameter | 1.6-20 | Density | 17 - 19.2 G/cm3 |
| Surface | Black,sintering,polishing,machining | Feature | Heat Resistance |
| High Light | Heat Resistance Tungsten Carbide Flat Stock,Heat Resistance Tungsten Flat Bar,Low Thermal Expansion Tungsten Flat Bar |
||
Product Description
Low Thermal Expansion Tungsten Flat Bar Heat Resistance
Main Characteristics:
High melting point (3410°C)
Low thermal expansion
High electrical resistance
Low vapor pressure
Good thermal conductivity
High density
Details
1. Material: tungsten
2. Purity:>=99.95%
3. Dia: 0.8mm Min
4. Surface: black, sintering, polishing,machining
Chemical Composition
| Element | Mo | Mg | Fe | C | Al | N | Si | Ca | Ni | C | |
| Concentration(%) | 0.01 | 0.003 | 0.005 | 0.005 | 0.002 | 0.003 | 0.005 | 0.005 | 0.003 | 0.008 | |
| Purity(Metallic Base) W≥99.95% | |||||||||||
Parameters
wholesale customized 99.95 % pure tungsten bars
| Machining | Diameter | Diameter tolerance % | Max length, mm |
|
Forging, Rotary swaging |
1.6-20 | ±0.1 | 2000 |
| 20-30 | ±0.1 | 1200 | |
| 30-60 | ±0.1 | 1000 | |
| 60-70 | ±0.2 | 800 |
Note: Your special request for wholesale customized 99.95 % pure tungsten bars will be available.
|
Atomic number |
74 |
|
CAS number |
7440-33-7 |
|
Atomic mass |
183.84 [g/mol] |
|
Melting point |
3420 °C |
|
Boiling point |
5555 °C |
|
Density at 20 °C |
19.25 [g/cm3] |
|
Crystal structure |
Body-centered cubic |
|
Coefficient of linear thermal expansion at 20 °C |
4.410-6[m/(mK)] |
|
Thermal conductivity at 20 °C |
164 [W/(mK)] |
|
Specific heat at 20 °C |
0.13 [J/(gK)] |
|
Electrical conductivity at 20 °C |
18.2106[S/m] |
|
Specific electrical resistance at 20 °C |
0.055 [(mm2)/m] |
Applications
Parts of the electric light source and electron tube
Heat elements of high-temperature furnace
Structures of high-temperature furnace
Contact of electrical appliance
Rare earth industry
Vacuum coating industry
FAQ
1. Are you a trading company or manufacturer?
We are a factory, producing Mo and tungsten products.
2. How can we guarantee quality?
2. How can we guarantee quality?
Always a pre-production sample before mass production; Always final Inspection before shipment
3. How long is your delivery time?
3. How long is your delivery time?
Generally, it is 3~5 days if the goods are in stock; or it is 7-25 days if the goods are not in stock, depending on order quantity.
4. Do you provide samples?
4. Do you provide samples?
Is it free or extra? Gen,erally we don't provide free samples. But we can the educt sample cost from your
bulk orders.
5. What are your payment terms and method?
bulk orders.
5. What are your payment terms and method?
Payment<= 1000 USD, 100% in advance. Payment>= 1000 USD, 30% T/T in advance, balance before
shipment. We accept T/T, L/C, Alipay, PayPal, Western Union Wechat, and so on.
shipment. We accept T/T, L/C, Alipay, PayPal, Western Union Wechat, and so on.
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