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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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