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TZM Alloy, TZM Molybdenum Alloy

TZM Alloy, TZM Molybdenum Alloy

TZM is a molybdenum alloy that contains titanium, zirconium, and carbon. The letters "TZM" stand for the initials of the metals, with "T" for titanium, "Z" for zirconium, and "M" for molybdenum. The alloy is known for its high-temperature strength, excellent creep resistance, and good thermal conductivity. It is commonly used in applications where high-temperature strength and dimensional stability are required, such as aerospace and defense, furnace construction, and high-temperature processing.

Composition of TZM alloy:

Element Composition (% by weight)
Mo 91.1-97.0
Ti 0.4-0.55
Zr 0.06-0.12
C 0.01-0.08
Others ≤ 0.5


CG Material can provide TZM alloy in various forms such as sheets, rods, bars, and wire, and it can be easily machined and welded.


Compound Formula Mo-Ti-Zr
Appearance Metallic solid in various forms (rod, sheet, plates)
Melting Point 2623 °C
Boiling Point N/A
Density 10.22 g/cm3
Solubility in H2O N/A
Electrical Resistivity 6.85 micro-ohm-cm
Specific Heat 0.073 Cal/gm/°C
Thermal Conductivity 0.48 Cal/cm2/cm°C/sec
Thermal Expansion 5.20 micro-in/°C x 10-6


TZM Alloy is widely used in high-temperature applications (e.g. high-temperature furnace construction and metalworking) and in tooling for hot die forging.

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