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TZM Alloy (TZM Molybdenum)


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Titanium-Zirconium-Molybdenum alloy (TZM alloy) is an established molybdenum alloy (0.5% Ti, 0.08% Zr, balance Mo) which is consolidated by either the P/M or vacuum casting processes. HM provide a wide range of molybdenum and molybdenum alloy mill products such as sheet, foil, rod, tubing, and wires. 

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Data sheet

StandardASTM B387 & ASTM B386

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TZM is an alloy commonly used in molybdenum and its base alloys, with a composition of 0.50% titanium, 0.08% zirconium, and the remaining 0.02% carbon molybdenum alloy.

Molybdenum TZM Alloy Application

TZM alloy has the characteristics of high melting point, high strength, high elastic modulus, small linear expansion coefficient, low vapor pressure, good electrical and thermal conductivity, strong corrosion-resistance, and good high-temperature mechanical properties, so it can be widely used in many fields.

Please choose the best materials according to your applications

Name of material

Chemical composition (percentage by weight)

Mo (pure)



0.5 % Ti / 0.08 % Zr / 0.01 - 0.04 % C

Mo-Lanthanoxid (ML)

0.3 % La2O3

We provide customized TZM alloy products according to the dimensions of your engineered drawing.

Molybdenum alloys compared to pure molybdenum


Alloy components (percentage by weight)

0,5 % Ti
0,08 % Zr
0,01 - 0,04 % C

Thermal conductivity


Stability at room temperature


Stability at high temperatures/ Creep resistance

++(<1 400 °C)
+ (>1 400 °C)

Recrystallization temperature


Ductility after HT use




Comparable with pure Mo + higher than pure Mo ++ much higher than pure Mo - lower than pure Mo -- much lower than pure Mo

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