Wear Resistant Tungsten Rod Bar Machining Surface Tungsten Flat Bar
99.95% W Tungsten Rod Bar High Temperature Performance
Introduction
1. High density: density up to 19.2/gcm3, heavy dense, small volume
2. Heat resistance: melting point 3410 degrees, boiling point 5927 degrees, good high temperature performance.
3. Wear resistant: excellent hardness, low vapor pressure, low thermal expansion combined.
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
Rare earth industry
Vacuum coating industry
FAQ
1. Are you a trading company or manufacturer?
2. How can we guarantee quality?
3. How long is your delivery time?
4. Do you provide samples?
bulk orders.
5. What are your payment terms and method?
shipment. We accept T/T, L/C, Alipay, PayPal, Western Union Wechat, and so on.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.