PRODUCTS
Features
|
CAS No.: |
7440-33-7 |
|
Linear Formula: |
W |
|
Material: |
Pure Tungsten |
|
Purity: |
99.95%, 99.99%, 99.999% |
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Operating temperature: |
1800 - 3000℃ |
|
Size: |
Per Drawings |
Tungsten heaters are critical components in industries that require high-temperature heating solutions. Known for their high melting point, durability, and excellent thermal conductivity, tungsten heaters are commonly used in high-temperature processing and industrial applications. Whether for use in vacuum furnaces, heat treating, or semiconductor production, tungsten heaters provide consistent, reliable performance under extreme conditions.
Product Description
Tungsten heaters are made from tungsten metal, which boasts the highest melting point of any element (3,422°C). Due to this remarkable property, tungsten heaters are ideal for high-temperature applications in various industries. Their ability to function effectively in a vacuum and inert atmospheres makes them indispensable for processes like sintering, annealing, and crystal growing.
Tungsten heaters are typically used in high-temperature furnaces, thermal processing systems, and manufacturing processes that require precise and consistent heat. Available in various forms, including wire, coils, and rods, they can be customized to meet the specific needs of your project.
Features & Properties
High Melting Point: Tungsten heaters can withstand temperatures of up to 3,422°C, making them ideal for high-heat applications.
Excellent Thermal Conductivity: Tungsten conducts heat efficiently, ensuring uniform heat distribution across the heating element.
Durability: Tungsten is resistant to wear and oxidation, ensuring longevity even under extreme operating conditions.
Electrical Conductivity: With high electrical conductivity, tungsten heaters are efficient in transferring energy to generate heat.
Resistance to Corrosion: Tungsten is highly resistant to corrosion, even in aggressive environments, extending the lifespan of the heater.
Product Specifications
Purity: ≥99.95%
Shape: Available in rods, coils, wires, and custom configurations.
Operating Temperature: Up to 3,422°C.
Length: Custom lengths available upon request.
Diameter: Available from 0.2 mm to 10 mm (custom sizes available).
Surface Finish: As-drawn, polished, or cleaned.
Density: 19.25 g/cm³
Electrical Resistivity: 5.5 × 10^-7 Ω·m
Product Standards
Manufactured according to ISO 9001 standards.
Compliance with international industry standards for furnace and heating element applications.
Product Forms
Tungsten Heater Rods
Tungsten Heater Coils
Tungsten Heater Wires
Custom Tungsten Heater Shapes (e.g., spiral coils, straight rods)
Production Method & Production Equipment
Tungsten heaters are produced through a combination of powder metallurgy and high-temperature processing techniques, followed by precise machining to achieve the desired shape and dimensions.
Production Method: Powder metallurgy, high-temperature sintering, and precision machining.
Production Equipment: Sintering furnaces, CNC machines, wire drawing machines, and specialized heat treatment equipment.
Applications & Related Industries
Heat Treatment: Used for heat treating metals and alloys in vacuum furnaces.
Semiconductor Manufacturing: Essential for processes like crystal growth and semiconductor wafer processing.
Material Sintering: Used in sintering metals, ceramics, and other materials under controlled conditions.
Glass and Ceramic Industries: Used in furnaces for melting and shaping glass and ceramics.
Aerospace & Automotive: Essential for testing and manufacturing components that need to endure high temperatures.
Synonyms
Tungsten Heating Element
Tungsten Furnace Heater
High-Temperature Tungsten Heater
Tungsten Coil Heater
Health & Safety Information
Toxicity: Tungsten is generally considered non-toxic; however, inhaling tungsten dust or fumes during welding or machining can be harmful. Proper ventilation and protective equipment should be used.
Precautions: Use gloves, safety goggles, and a dust mask when handling or machining tungsten heaters.
Storage: Tungsten heaters should be stored in a dry, cool environment to avoid damage or corrosion.
Interesting Facts About Tungsten
Thermal Stability: Tungsten can maintain its strength and stability at extreme temperatures, making it the go-to material for high-temperature applications.
Electronics Industry: Tungsten heaters are used in the production of semiconductors and microelectronics, where precise heating is critical.
Longevity: Tungsten heaters are known for their long lifespan, even when exposed to high temperatures over extended periods.
Why Choose Us for Tungsten Heaters?
Quality Assurance: Our tungsten heaters are made with precision and meet international standards for high-performance applications.
Customization: We offer a range of tungsten heater shapes and sizes, as well as the ability to customize based on your needs.
Expertise: With years of experience in producing tungsten products, we understand the specific requirements of high-temperature applications.
Global Reach: We provide fast delivery and shipping worldwide, ensuring your projects stay on schedule.
Contact Us Today
For more information or to place an order for Tungsten Heaters, reach out to our customer service team. We are happy to provide tailored solutions for your specific requirements.
Chemical Composition of Tungsten Heater
|
W (>%) |
Chemical Content (<%) |
|||||||||||
|
99.999 |
Fe |
Ca |
Be |
Sn |
Al |
Ni |
Zn |
Sb |
Pt |
K |
Ta |
Na |
|
0.0001 |
0.00005 |
0.000005 |
0.000005 |
0.00005 |
0.00001 |
0.00005 |
0.00005 |
0.00003 |
0.000005 |
0.0001 |
0.00005 |
|
|
Cr |
Pb |
As |
Mg |
Ti |
Bi |
Mo |
Cd |
Cu |
Ba |
Co |
Mn |
|
|
0.000005 |
0.00001 |
0.00005 |
0.00005 |
0.000005 |
0.00001 |
0.00001 |
0.000005 |
0.000007 |
0.00001 |
0.000005 |
0.000005 |
|
|
99.99 |
Fe |
Ca |
Be |
Sn |
Al |
Ni |
Zn |
Sb |
Pt |
K |
O |
Na |
|
0.0001 |
0.00045 |
0.0001 |
0.0001 |
0.0001 |
0.0001 |
0.0001 |
0.0001 |
0.0001 |
0.0005 |
0.0040 |
0.0009 |
|
|
Cr |
Pb |
As |
Mg |
Ti |
Bi |
Mo |
Cd |
Cu |
Ba |
Co |
Mn |
|
|
0.0001 |
0.0001 |
0.0001 |
0.0001 |
0.0001 |
0.0001 |
0.0002 |
0.0001 |
0.0001 |
0.0001 |
0.0001 |
0.0001 |
|
|
99.95 |
Fe |
Ca |
P |
Sn |
Al |
Ni |
N |
Sb |
Si |
O |
Pb |
As |
|
0.005 |
0.003 |
0.001 |
0.0001 |
0.002 |
0.003 |
0.003 |
0.001 |
0.003 |
0.003 |
0.0001 |
0.002 |
|
|
Mg |
C |
Bi |
Mo |
|
|
|
|
|
|
|
|
|
|
0.002 |
0.005 |
0.0001 |
0.001 |
|
|
|
|
|
|
|
|
|
Chemical Identifiers
|
Linear Formula |
W |
|
MDL Number |
MFCD00011461 |
|
EC No. |
231-143-9 |
|
Beilstein/Reaxys No. |
N/A |
|
Pubchem CID |
23964 |
|
SMILES |
[W] |
|
InchI Identifier |
InChI=1S/W |
|
InchI Key |
WFKWXMTUELFFGS-UHFFFAOYSA-N |
Tungsten Heaters Properties (Theoretical)
|
Molecular Weight |
183.85 |
|
Appearance |
Silvery |
|
Melting Point |
3410 °C |
|
Boiling Point |
5900 °C |
|
Density |
19.3 g/cm3 |
|
Solubility in H2O |
N/A |
|
Electrical Resistivity |
5.65 microhm-cm @ 27 °C |
|
Electronegativity |
1.7 Paulings |
|
Heat of Fusion |
8.42 Cal/gm mole |
|
Heat of Vaporization |
185 K-Cal/gm atom at 5660 °C |
|
Poisson's Ratio |
0.28 |
|
Specific Heat |
0.0317 Cal/g/K @ 25 °C |
|
Tensile Strength |
750 MPa |
|
Thermal Conductivity |
1.73 W/cm/K @ 298.2 K |
|
Thermal Expansion |
(25 °C) 4.5 µm·m-1·K-1 |
|
Vickers Hardness |
3430 MPa |
|
Young's Modulus |
411 GPa |
Tungsten Heaters Health & Safety Information
|
Signal Word |
Danger |
|
Hazard Statements |
H228-H315-H319 |
|
Hazard Codes |
N/A |
|
Precautionary Statements |
P210-P305 + P351 + P338 |
|
Flash Point |
Not applicable |
|
Risk Codes |
N/A |
|
Safety Statements |
N/A |
|
RTECS Number |
YO7175000 |
|
Transport Information |
NONH |
|
WGK Germany |
nwg |
|
GHS Pictograms |
GHS02 Flame
GHS07 Exclamation Point
|
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