Moly, Mola, TZM, & Other Alloys


Moly, Mola, and TZM from CeraMaterials

What is Moly?

Molybdenum, also known as Moly, is a refractory metal with a well-balanced range of properties making it a great solution for many different industries and applications. Moly, with a melting temperature of 4760℉, is useful in many high temperature applications where melting temperatures are a concern. In comparison to tungsten and tantalum, it has the third highest melting point. The metal’s extraordinary resistance to heat is possible thanks to the material’s high energy binding of individual atoms. This binding permits the use of the metal in many industrial applications that would not be feasible with common metals and alloys. Moly’s high melting point, excellent strength at elevated temperatures, low coefficient of thermal expansion, and high level of thermal conductivity make this the ideal solution for many applications. Additionally, Moly is softer and more ductile than tungsten contributing to its machinability but can also be alloyed with other compounds to increase specific performance attributes. Refer to alloys of Molybdenum such as Mola and TZM listed below. Our office stocks commonly requested Moly and TZM parts, but if you need an item not listed or a metric size please contact us directly for a custom quote.

What is TZM?

Titanium-Zirconium-Molybdenum alloy, also known as TZM, contains 0.50% Titanium, 0.08% Zirconium, and 0.02% Carbon. TZM is manufactured from molybdenum by using small quantities of tiny, extremely fine carbides through P/M or Arc Casting technology. This alloy is a great high strength solution for high temperature applications.  The alloy is stronger than pure molybdenum and possesses a higher recrystallization temperature and better creep resistance. Commonly used in applications involving demanding mechanical loads, it’s recommended use temperature is between 700℃ & 1400℃.

What is Mola?

Molybdenum-Lanthom Oxide, also known as Mola, is an alloyed metal providing specific advantages over pure Moly. This alloyed metal is made by adding Lanthanum Oxide during the manufacturing process, giving the molybdenum a so-called stacked fiber microstructure which is stable at temperatures up to 2000℃. This special microstructure allows the alloy to be creep-resistant even under extreme use conditions. Additionally, the alloy has a lower cold shearing strength, higher tensile strength, and greater resistance to deformation at high temperatures. The alloy is an ideal materials for applications requiring dimensional stability and strength at temperatures above the capabilities of pure Moly or TZM. Common machining is done to produce furnace components such as stranded and other wires, sintering and annealing boats or evaporator coils. In the lighting industry, molybdenum-lanthanum oxide is used for example for retaining and feed wires.

Benefits

  • Moly
  • Excellent Strength & Stiffness at high temperatures.
  • High purity and excellent creep resistance.
  • Good machinability and easily fabricated.
  • High dimensional stability and excellent corrosion resistance
  • Low emissivity and vapor pressure.
  • Good electrical conductivity and low thermal expansion
  • Ductile and corrosion resistant.
  • Excellent Thermal conductivity.
  • TZM
  • Higher recrystallization temperature
  • Better creep resistance
  • Can withstand 30,000-psi stress for over 100 hr, 3x of pure Moly.
  • Mola
  • Stacked fiber microstructure stable up to 2000℃
  • Higher temperature of recrystallization
  • Better ductility and wear resistance
  • Lower cold shearing strength
  • Higher tensile strength
  • Greater resistance to deformation at high temperatures.
MOLYBDENUM and Alloys from CeraMaterials

Applications

  • Moly
  • Hot Zones for high-temperature furnaces.
  • Sputtering targets for coating solar cells & flat screens.
  • Glass melting electrodes
  • Heat shields
  • Semiconductor base plates.
  • Brazing fixtures & Boring bars
  • Tools & Contacts
  • Pigments and catalysts. 
  • Filaments, ribbons, and wires for lighting
  • Jet Tabs, rocket nozzles and missile parts
  • TZM
  • Forging tools
  • Supports, fixtures, and carriers.
  • Hot runner nozzles
  • Rotating anodes in X-ray tubes.
  • Hot Die forming.
  • Furnace construction and metal working.
  • Casting moulds
  • Mola
  • Furnace components such as stranded and other wires
  • Vacuum furnace fixtures and heating elements
  • Sintering and annealing boats
  • Illumination  and internal parts in light bulbs
  • Electric vacuum device
  • Tube component in cathod-ray pipe.
  • Evaporator coils.
  • Retaining and feed wires.
  • Medical devices.
  • Power semiconductor device.
  • Applied magnet research.
  • Aerospace and aircraft components.

Useful Charts

Molybdenum Properties
PropertiesUnitsValues
Boiling Point

5560
8382
4912
Coefficient of Thermal Expansionmicro-in/℉ x 10-6
micro-in/℃ x 10-6
4.90
2.70
Densitylb/in³
gm/cm³
0.369
10.30
Electrical Conductivity
% IACS30
Electrical Resistivitymicro-ohm-cm5.17
HardnessDPH230
Melting Point
4760
2625
Modules of ElasticityKSI
Gpa
45000
310
Thermal ConductivityCal/cm²/cm℃/sec0.35
Recrystallization Temperature1100
Specific HeatCal/gm/℃0.061
Tensile StrengthKSI | Mpa - RT
KSI | Mpa - 500℃
KSI | Mpa - 1000℃
150 | 1035
75 | 515
25 | 175
TZM Molybdenum Properties
PropertiesUnitsValues
Densitylb/in³
gm/cm³
0.37
10.22
Melting Temperature
4753
2623
Thermal ConductivityCal/cm²/cm℃/sec0.48
Specific HeatCal/gm/℃0.073
Coefficient of Linear Thermal Expansionmicro-in/℉ x 10-6
micro-in/℃ x 10-6
2.50
5.20
Electrical Resistivitymicro-ohm-cm6.85
Tensile StrengthKSI | Mpa - RT
KSI | Mpa - 500℃
KSI | Mpa - 1000℃
110 | 760
-
-
Elongation% in 1.0"15
HardnessDPH220
Mola Molybdenum Properties
PropertiesMola Sheet
2.0-3.0
Mola Rod
∅ 9.5
Mola Rod
∅ 20
Tensile Strength
kgf/ mm²
88-98 @ 20℃74-75 @ 20℃8.2-9.0 @ 1400℃
6.3 @ 1800℃
Relative Elongation
δ %
10-12 @ 20℃30-35 @ 20℃31-39 @ 1400℃
9.2 @ 1800℃
Composition Mass %
Mo
La
Impurities, ppm, max
Fe
Al
Ni
Si
Mg
Na
K
Ca
W
Total Metallic impurities
C
 
 
0.40 ± 0.07
 
100
30
50
50
20
30
80
40
130
500
100
 
 
0.40 ± 0.07
 
100
30
50
50
20
30
80
40
130
500
100
 
 
0.40 ± 0.07
 
100
30
50
50
20
30
80
40
130
500
100
Moly Alloys Vs Moly Properties
PropertiesTZMMola
Alloy components
% by weight
0.5 Ti
0.08 Zr
0.01-0.04 C
0.3 - 0.7
La2O3
Ductility after HT use+++
Stability at room temperature+~
Stability at high temperature /
Creep resistance
< 1400℃
> 1400℃
 
 
++
+
 
 
+
++
Thermal conductivity-~
Recrystallization temperature+++
Weldability++
Key Index for comparison

+ Higher than pure Moly | ++ Much higher than pure Moly | - Lower than pure Moly | -- Much lower than pure Moly | ~ comparable to pure Moly
Moly Info & Pricing
ProductThickness/ Threads
Inches
Length
Inches
Price
USD
Moly All-Thread
Threaded Rod
1/4" - 2036"$75.00
5/16 - 1836"$90.00
3/8 - 1636"$90.00
1/2 - 1336"$195.00
Moly Solid Rod1/4"36"$45.00
3/8"36"$100.00
1/2"36"$250.00
1"36"$400.00
Moly Wire1/32"240"$40.00
1/16"240"$60.00
1/8"240"$80.00
Moly Nuts1/4" - 20-$3.00
5/16 - 18-$3.25
3/8 - 16-$6.00
1/2 - 13-$7.00
Moly Washers1/4" 1" OD$2.50
1/4"1.5" OD$3.00
3/8"1.5" OD$3.00
TZM Info & Pricing
ProductThickness / Threads
Inches
Length
Inches
Price
USD
TZM All-Thread
Threaded Rod
1/4" - 2036"$160.00
TZM Nuts1/4" - 20-$5.00

Ready to order?

  • Need a custom fabrication? Need metric sizes? Looking to order in bulk?
  • If you have any additional questions or need a custom quote our team is always available to help.

Downloadables

Coming soon!


What is Tungsten?

Tungsten is the solution for the most demanding and extreme heat resistant applications with a melting temperature of 6188℉. This refractory metal has the highest melting point, lowest vapor pressure, and at temperatures over 3002℉ it has the highest tensile strength. Tungsten is practically indestructible. The metal is also characterized by a uniquely low coefficient of thermal expansion and high level of dimensional stability. This material is commonly used to manufacture high-temperature furnace and lamp components, and other components used in the medical field and thin-film technology.

Benefits

  • Highest melting temperature of all refractory metals
  • Lowest vapor pressure
  • Highest tensile strength at temperatures over 3002℉
  • Low coefficient of thermal expansion.
  • High dimensional stability.
Tungsten from CeraMaterials

Applications

  • Windings and heating elements for electrical furnaces.
  • Missile and high-temperature applications
  • High-speed tool steels and other alloys.
  • Electron and television tubes.
  • Metal evaporation work.
  • Filaments for electric lamps.
  • Glass-to-metal seals.
  • Electrical contact points.
  • X-ray targets

Useful Charts

Tungsten Properties
PropertiesUnitsValues
Boiling Temperature
9986
5530
Density @ 20℃g/cm³
lb./cu. in.
19.30
0.697
Electrical Conductivity% IACS31
Electrical Resistivity @ 20℃microohm-cm5.5
HardnessDPH3430
Linear Coefficient of Expansion4.3 x 10-6
Melting Temperature
6170
3410
Recrystallization Temperature
2372 - 2732
1300 - 1500
Reflectivity%62
Specific Heat @ 20℃cal/gram&#84510.032
Tensile Strengthpsi @ Room Temp
psi @ 500℃
psi @ 1000℃
100,000 - 500,000
75,000 - 200,000
50,000 - 75,000
Thermal Conductivity @ 20℃cal/cm/℃ /sec0.40
Total Emissivity@ 1500℃
@ 2000℃
0.23
0.28
Working Temperature
< 3092
< 1700

Ready to order?

  • Our tungsten fabrications are made to order.
  • If you have any other questions, or need a custom quote our team is always available to help.

Downloadables

Coming soon!


Other Alloys

Our office provides many different mixed alloys of Moly and Tungsten dependent on our customer’s applications. If you need a custom quote for,

  • Inconel & High temperature steel,
  • Titanium,
  • Tanalum,
  • Niobium,
  • Or any other specialty high temperature alloy

Please contact us directly to provide you with the needed material.