In a world where extreme heat resistance, maximum mechanical strength, high density, and corrosion resistance are essential, Tungsten (W) and Molybdenum (Mo) are the leading choice for a wide range of industrial, medical, and defense applications.
As a leading company in advanced material solutions, Amironic offers high-quality products of these metals, tailored to customer requirements.
Technical Characteristics of Tungsten and Molybdenum
Tungsten (W) — The Metal with the Highest Melting Point in the World
| Property | Value |
|---|---|
| Atomic Number | 74 |
| Density | 19.25 g/cm³ (one of the highest among metals) |
| Melting Point | 3420°C (highest of all metals) |
| Thermal Expansion Coefficient | Extremely low |
| Corrosion Resistance | Excellent, especially in weak oxidation environments |
| Mechanical Hardness | Very high, maintaining properties at extreme temperatures |
Molybdenum (Mo) — Stronger, Lighter, and Heat Resistant
| Property | Value |
|---|---|
| Atomic Number | 42 |
| Density | 10.28 g/cm³ |
| Melting Point | 2620°C |
| Thermal Stability | Mechanical stability up to 1600°C |
| Thermal and Electrical Conductivity | Very high, stable at high temperatures |
| Chemical Resistance | High in corrosive environments |
Advanced Alloys — Tailored for Unique Challenges
In addition to pure metals, specialized alloys are available:
- W-La (Tungsten-Lanthanum): For high strength at extreme temperatures, creep resistance.
- W-K (Tungsten-Potassium): For electronics and lighting (non-sag wires).
- WHA (Heavy Tungsten Alloys): For defense, medical, and aerospace, thanks to high density.
- TZM (Molybdenum alloyed with Titanium, Zirconium): For creep resistance and high mechanical strength.
- Mo-La (Molybdenum-Lanthanum): For high-temperature applications with improved resistance.
Advanced Applications — Technology Serving Life and Security
1. Medical Sector
Radiation Shielding and Advanced Medical Engineering
- Radiation shielding (X-ray, nuclear radiation): WHA (Heavy Tungsten Alloys) used for shielding components in imaging devices (CT, MRI, PET).
- Medical Robotics and Surgical Precision: Thanks to high density and mechanical precision, WHA and Molybdenum are critical in robotic surgical systems and miniature devices.
- Radiotherapy components: Devices for beam collimation in oncology, thanks to excellent radiation absorption.
- High-temperature uses: Sintering furnaces for dental and orthopedic implants, due to extreme heat resistance and chemical inertness.
2. Defense and Military Sector
Power, Precision, and Protection in Combat Systems
- Kinetic Energy Penetrators (KEP): Tungsten rods for armor-piercing ammunition, tanks, and ballistic shells.
- Nuclear Radiation Shielding: Protective components in nuclear warfare systems and shielded environments.
- Counterweights in military systems: Radar, UAVs, and missiles — Molybdenum and WHA provide mechanical stability and space efficiency.
- Fragmentation Sleeves: In smart munitions to enhance accuracy and effectiveness.
- Rocket Motors (Nozzles, Insulators): Tungsten’s extreme temperature resistance enables the manufacturing of engine nozzles and insulation components.
Tungsten (W) – The Strongest and Heaviest Metal in the World
Physical and Chemical Properties of Tungsten
| Property | Value |
|---|---|
| Atomic Number | 74 |
| Density | 19.25 g/cm³ (highest among structural metals) |
| Melting Point | 3420°C (highest of all metals) |
| Boiling Point | 5930°C |
| Heat Resistance | Excellent — retains mechanical properties at extreme heat |
| Electrical Conductivity | High (with good thermal resistance) |
| Chemical Resistance | Very high, especially in non-oxidizing environments |
| Hardness and Wear Resistance | Very high |
Main Tungsten Products:
- Tungsten powders (Powder)
- Rods (Rod), plates (Plate), sheets (Sheet), wires (Wire)
- Cubes (Cubes), spheres (Spheres), processed products (Machining, Fabrications)
Molybdenum (Mo) — Lightweight Strength and Heat Resistance
Physical and Chemical Properties of Molybdenum
| Property | Value |
|---|---|
| Atomic Number | 42 |
| Density | 10.28 g/cm³ |
| Melting Point | 2620°C |
| Strength Retention Temperature | Up to 1600°C |
| Chemical Resistance | Very high (especially in vacuum/reducing atmospheres) |
| Oxidation Resistance | Limited (above 400°C, requires protective environment) |
Main Molybdenum Products:
- Powders (Powder)
- Sheets (Sheet), plates (Plate), wires (Wire), rods (Rod)
- Processed products (Fabrications, Machined Components)
Special Alloys — Adapted to Specific Applications
Tungsten Alloys:
| Alloy | Components | Key Properties | Main Applications |
|---|---|---|---|
| W-K (Potassium) | Tungsten + K | High temp resistance, mechanical flexibility | Lighting, wires, electronics |
| W-La (Lanthanum) | Tungsten + La₂O₃ | Creep resistance, high temp strength | Aerospace, high temp, radiation shielding |
| WHA | Heavy Alloys | Extreme density (up to 97.5% W), fracture resistance | Radiation shielding, penetrators, aircraft balance |
Molybdenum Alloys:
| Alloy | Components | Key Properties | Main Applications |
|---|---|---|---|
| TZM | Mo + Ti + Zr | High strength, creep resistance, high recrystallization | Engine parts, gas industry, high temp |
| Mo-La | Mo + La₂O₃ | High temp, mechanical strength | Electronics, hot components, radiation shielding |
| Mo-Ta | Mo + Ta | Heat and acid resistance, high strength | Nuclear, electronics, aerospace |
| HCT (Mo-K) | Mo + K | Ductility after heat | Wires, heaters, supports |
Complete Product Range and Custom Solutions
Unique Products for Specific Applications:
- Hot Zones: Custom parts for high-temperature furnaces (sintering, HIP, crystal growth).
- Molybdenum Studs & Heatsinks: Diode studs, heat sinks, cooling components.
- Sputtering Targets: Tungsten, Molybdenum, and alloys (MoTa, MoTi) for high-precision coatings (displays, semiconductors, medical devices).
Key Advantages of Amironic Products:
| Advantage | Details |
|---|---|
| Extreme Heat Resistance | Up to 3420°C (W), 2620°C (Mo), without loss of mechanical properties |
| High Thermal and Electrical Conductivity | Essential for electronics, lighting, smart ammunition |
| High Radiation Resistance | For medical, nuclear, defense shielding |
| High Density for Balance/Shielding | Aircraft, missiles, rotors, surgical robots |
| Chemical and Wear Resistance | Suitable for harsh environments |
| Precision Machining (CNC) | Custom parts, high accuracy |
Conclusion
Amironic offers the most complete catalog of Tungsten and Molybdenum products — from raw materials to advanced alloys and precision-machined components, with professional guidance for any medical, defense, or industrial need.