Product Introduction
TZM alloy parts are made from Titanium-Zirconium-Molybdenum alloy, a high-performance alloy that combines the elements titanium (Ti), zirconium (Zr), and molybdenum (Mo) in specific proportions. TZM parts are precision-engineered components fabricated from this alloy and are widely used in demanding applications.
Features of TZM alloy parts
High Strength:
Due to their excellent strength at elevated temperatures, TZM alloy parts exhibit high tensile strength, making them suitable for structural components that must withstand significant mechanical loads.
Excellent High-Temperature Properties:
For high-temperature applications, TZM alloy parts are highly effective, as they retain their mechanical properties at temperatures up to 600°C (1112°F).
Corrosion Resistance:
TZM alloy parts not only exhibit high corrosion resistance but also demonstrate excellent oxidation resistance at elevated temperatures.
Good Machinability:
Although TZM alloy parts are challenging to machine because of their high strength and hardness, they can still be processed using standard machining equipment.
Low Creep Rate:
For long-term service at high temperatures, TZM alloy parts are ideal due to their low creep rate-minimal deformation under sustained mechanical stress.
Applications of TZM Alloy Parts:
Aerospace:
TZM alloy parts are used in aircraft and spacecraft construction, particularly in engines and rocket nozzles, due to their ability to withstand extreme temperatures and high mechanical stress.
Nuclear Industry:
The alloy's high-temperature radiation resistance makes it valuable for nuclear reactors, particularly in fuel cladding and structural components.
Electronics:
TZM alloy components are used in high-power electronics as heat sinks and other critical thermal management parts. They serve as high-temperature PVD heating elements and resistive carrier plates in semiconductor equipment (operating up to 1200°C), while maintaining micrometer-level precision as evaporation masks in OLED display production. The alloy is also ideal for IGBT vacuum chambers and RF-venting systems, as its non-magnetic properties, combined with high strength and thermal conductivity (138 W/m·K), enhance overall efficiency.
Medical Devices:
Due to its biocompatibility and corrosion resistance, TZM alloy is ideal for manufacturing surgical instruments, diagnostic devices, and other medical equipment.
Industrial Furnaces:
TZM alloy parts are widely used in furnace construction and other high-temperature industrial applications due to their exceptional durability in harsh environments.
Specification of main TZM alloy products
TZM Alloy Wire
|
Specification |
ASTM B387, TYPE 364 |
|
Size |
0.5mm-4.0mm diameter x L |
|
Shape |
Straight wire, rolled wire |
|
Surface |
Black oxide, chemically cleaned |
TZM Alloy Rod
|
Specification |
ASTM B387, TYPE 364 |
|
Size |
4.0mm-100mm diameter x <2000mm L |
|
Process |
Drawing, swaging |
|
Surface |
Black oxide, chemically cleaned, Grinding |
TZM Alloy Plate
|
Specification |
ASTM B386, TYPE 364 |
|
Size |
4.75mm-50mm thickness x W x L |
|
Process |
Forging, rolling |
|
Surface |
Chemically cleaned, Grinding |
TZM Alloy Tube
|
Specification |
ASTM B387, TYPE 364 |
|
Size |
0.8"-20" OD, 106" max length for a single piece of TZM alloy tube |
|
Process |
Sintering, drilling |
|
Surface |
Black oxide, chemically cleaned, Grinding |
FAQ:
What is the MOQ?
A: Depends on quantity, generally, no MOQ limit.
How to pay for it?
A: A bank transfer (T/T) will be acceptable.
What is the delivery time?
A: around 7-20 days which depends on the quantity and production.
What is the package?
A: cartoon case or plywood case.
What is the lead time?
A: from order placed to cargo receiving will take around 10-25 days.
What is the delivery method?
A: Generally, we send cargo by UPS, DHL or FedEx. Also, we can send by sea to seaport or by air to the closest airport.
What is TZM alloy composed of?
A: TZM is a molybdenum-based alloy containing:
✓ Molybdenum (Mo): ~99% (base metal)
✓ Titanium (Ti): 0.4-0.55%
✓ Zirconium (Zr): 0.06-0.12%
✓ Trace carbon (C) for grain stabilization
Why choose TZM over pure molybdenum?
Key advantages:
• 2X higher strength at 1000°C vs. pure Mo
• Better creep resistance (less deformation under stress)
• Improved recrystallization temperature (~1400°C vs. 1000°C for pure Mo)
Temperature limits?
Short-term: Up to 1600°C (in inert/vacuum)
Long-term: 1200°C (oxidizing environments require coating)
Common applications?
• Aerospace: Rocket nozzles, turbine blades
• Industrial: Glass melting electrodes, sintering trays
• Nuclear: Plasma-facing components in reactors
Machining challenges?
Requires:
▸ Carbide or diamond tools (hardness ~250 HV)
▸ Low-speed, high-feed rates to avoid work hardening
▸ Post-machining stress relief (annealing)
Surface treatment options?
• Silicide coating (for oxidation protection >1000°C)
• Gold plating (RF applications)
• Mechanical polishing (Ra <0.5μm achievable)
How does cost compare?
~3-5X more expensive than pure Mo
but lasts 5-10X longer in high-stress applications
Welding possible?
Yes, but requires:
Electron beam or TIG welding
Pre/post-heat treatment
Oxygen-free environment
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