TZM

TZM Alloy (titanium, zirconium, molybdenum) This alloy contains 99% Mo, 0.5% Ti and 0.08% Zr. TZM offers twice the strength of pure molybdenum at temperatures over 1300°C and the recrystallization temperature of TZM is approximately 250°C higher than molybdenum.

TZM's finer grain structure and the formation of TiC and ZrC in the grain boundaries inhibit grain growth and the related failure of the base metal as a result of fracturing along grain boundaries.

TZM is used in high temperature structures in vacuum furnaces, tooling for hot die forging and hot gas valves for rockets.

TZM Molybdenum Physical Properties

Density	lb/in3	0.37
	gm/cm3	10.22
Melting Point	°F	4753
	°C	2623
Thermal Conductivity	Cal/cm2/cm°C/sec	0.48
Specific Heat	Cal/gm/°C	0.073
Coefficient of Linear Thermal Expansion	micro-in/°F x 10-6	2.50
	micro-in/°C x 10-6	5.20
Electrical Resistivity	micro-ohm-cm	6.85

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