PRODUCTS
Features
|
CAS Number: |
7440-25-7 |
|
Standard: |
ASTM B708 |
|
Purity: |
≥99.9% or 99.95% |
|
Size: |
Customized |
|
Forms: |
Ribbon, Sheet, Rod, Twisted wire, Wire bundle, Wire mesh |
|
Material Grades: |
R05200, unalloyed tantalum, electron-beam furnace or vacuum-arc melt, or both R05400, unalloyed tantalum, powder-metallurgy consolidation. |
Product Description
Tantalum heat elements are specialized components used in high-temperature vacuum furnaces, chemical processing, and electronic manufacturing. With excellent resistance to oxidation, high melting points, and superior thermal conductivity, tantalum heat elements are ideal for demanding industrial applications.
Features and Properties
High Melting Point: 3,020°C, ensuring excellent performance at elevated temperatures.
Corrosion Resistance: Highly resistant to acids such as hydrofluoric acid, extending the lifespan in harsh environments.
Thermal Stability: Maintains mechanical properties under extreme thermal conditions.
Ductility and Formability: Can be customized into complex geometries for various applications.
High Purity: Typically ≥ 99.95%, ensuring consistent and reliable heating performance.
Product Specifications
Composition: Pure tantalum or tantalum alloys (e.g., Ta-2.5W or Ta-10W).
Operating Temperature: Up to 2,500°C in vacuum or inert atmospheres.
Dimensions: Customizable based on furnace design (rods, wires, or plates).
Density: 16.6 g/cm³.
Product Standards
ASTM B708 (Standard Specification for Tantalum Products).
ISO 9001 Certification for quality assurance in manufacturing processes.
Product Forms
Tantalum Heating Rods.
Tantalum Heating Strips.
Tantalum Heating Coils or Wires.
Custom configurations based on furnace design.
Production Method and Production Equipments
Production Methods:
Powder Metallurgy: High-purity tantalum powder is sintered to form heat elements.
Cold Rolling and Drawing: For wire and strip forms with tight dimensional tolerances.
Equipment Used:
Vacuum Sintering Furnaces.
Rolling Mills.
Precision Drawing Machines.
Laser Cutting and Welding Systems for custom designs.
Applications and Related Industries
Vacuum Furnaces: Heating elements in high-temperature vacuum or inert environments for material processing.
Semiconductor Manufacturing: Used in epitaxial reactors for silicon wafer processing.
Chemical Processing: Equipment exposed to corrosive acids and extreme temperatures.
Metallurgical Applications: For heat treating, sintering, and brazing in advanced industrial processes.
Energy Sector: Components in high-temperature reactors.
Interesting Facts
Tantalum heat elements are often paired with molybdenum or tungsten components in ultra-high-temperature applications.
The thermal emissivity of tantalum ensures efficient energy utilization in heating processes.
Due to its inertness, tantalum is preferred for applications involving highly reactive materials.
Synonyms
Tantalum Heating Rods
Ta Heat Element
Tantalum Furnace Heater
Health & Safety Information
Precautions:
Handle heat elements with care to avoid damage to the surface.
Use personal protective equipment during installation and maintenance in high-temperature furnaces.
Reactivity: Stable under vacuum or inert environments but may oxidize at high temperatures in air.
Storage: Store in dry, contamination-free conditions.
Why Choose Us for Tantalum Heat Elements?
Precision Manufacturing: We provide custom designs tailored to specific furnace requirements.
Durable and Reliable: High-quality materials ensure extended service life.
Global Supply: Fast and efficient delivery for industrial projects worldwide.
Contact us today to learn more about our tantalum heat elements or to receive a tailored quote for your application!
Chemical Composition
|
Element |
C |
O |
N |
H |
Fe |
Mo |
Nb |
Ni |
Si |
Ti |
W |
|
R05200 (%, Max) |
0.01 |
0.015 |
0.01 |
0.0015 |
0.01 |
0.02 |
0.1 |
0.01 |
0.005 |
0.01 |
0.05 |
|
R05400 (%, Max) |
0.01 |
0.03 |
0.01 |
0.0015 |
0.01 |
0.02 |
0.1 |
0.01 |
0.005 |
0.01 |
0.05 |
Chemical Identifiers
|
Linear Formula |
Ta |
|
MDL Number |
MFCD00011252 |
|
EC No. |
231-135-5 |
|
Beilstein/Reaxys No. |
N/A |
|
Pubchem CID |
23956 |
|
SMILES |
[Ta] |
|
InchI Identifier |
InChI=1S/Ta |
|
InchI Key |
GUVRBAGPIYLISA-UHFFFAOYSA-N |
Tantalum Heat Element Properties (Theoretical)
|
Molecular Weight |
180.94 |
|
Appearance |
Silvery-gray solid |
|
Melting Point |
3017 °C |
|
Boiling Point |
5458 °C |
|
Density |
16.69 g/cm3 (20 °C) |
|
Solubility in H2O |
N/A |
|
Crystal Phase / Structure |
α: body-centered cubic (bcc) / β: tetragonal |
|
Electrical Resistivity |
131 nΩ·m (20 °C) |
|
Electronegativity |
1.5 Paulings |
|
Heat of Fusion |
36.57 kJ/mol |
|
Heat of Vaporization |
753 kJ/mol |
|
Poisson's Ratio |
0.34 |
|
Specific Heat |
140 J/kg·K |
|
Thermal Conductivity |
57.5 W/m·K |
|
Thermal Expansion |
6.3 µm/m·K |
|
Vickers Hardness |
870–1200 MPa |
|
Young's Modulus |
186 GPa |
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