CNC Machined TZM Alloy Special Parts Molybdenum Alloy Parts for High Temperature
TZM alloy is produced by either P/M or Arc Cast technologies and is of great utility due to its high strength and high temperature applications, especially above 2000'F.TZM Molybdenum alloy is an alloy of 0.50% Titanium, 0.08% Zirconium and 0.02% Carbon with the balance Molybdenum. TZM parts costs approximately 25% more than pure molybdenum and costs only about 5-10% more to machine. For high strength applications such as rocket nozzles, furnace structural components, and forging dies, it can be well worth the cost differential.
Advantages of TZM Alloy Special Parts:
good thermal conductivity
exceptional strength and stiffness at high temperatures
low thermal expansion
low vapor pressure
low emissivity
corrosion resistance
electrical resistivity
Applications of TZM Alloy / Molybdenum Alloy:
- as mounting material for power semiconductor devices.
- glass industry,
- as thermocouple retainers,
- as the contact materials in silicon controlled rectifier diodes,
- transistors and thyristors.
Thermal and Electrical Properties of TZM Alloy
| Properties | Coefficient of Thermal Expansion /K-1 (20~100℃) | Thermal Conductivity W/m·K | Max Working Temperature in air ℃ | Electrical Conductivity Ω·m |
| Data | 5.3X10-6 | 126 | 400 | (5.3~5.5)X10-8 |
Mechenical Properties of TZM Alloy
| Mechenical Properties | Elongation /% | Modulus of elasticity /GPa | Yield Strength /MPa | Tensile Strength /MPa | Fracture toughness /(MP·m1/2) |
| Data | <20 | 320 | 560~1150 | 685 | 5.8~29.6 |
Tensile Strength and Elongation of TZM Alloy in High Temperature
| Temperature /℃ | Properties |
| Tensile Strength /MPa | Elongation /% |
| RT | 1140 ~1210 | 7.5~13.0 |
| 1000 | 700 ~720 | 5.2 |
| 1200 | 320 ~360 | 9.0 |
| 1300 | 190 ~210 | 11.5 ~13.5 |
| 1400 | 140 ~170 | 11.0 ~16.0 |
Physical performance of TZM alloy and pure molybdenum:
| Material | Density /g·cm-3 | Mealting Point /℃ | Boiling /℃ |
| TZM Alloy(Ti0.5/Zr0.1) | 10.22 | 2617 | 4612 |
| Mo | 10.29 | 2610 | 5560 |
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ASTM CNC Machined TZM Metal Molybdenum Alloy Parts Ti0.5 Zr0.1 Images
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