TZM Molybdenum

TZM is an acronym for titanium-zirconium-molybdenum and is typically manufactured by powder metallurgy or arc-casting processes. It is an alloy that has a higher recrystallization temperature, higher creep strength, and higher tensile strength than pure, unalloyed molybdenum. Available in rod and plate form, it is often used for hardware in vacuum furnaces, large x-ray equipment, and in creating tools. While incredibly versatile, TZM is best utilized between 700 and 1400°C in a non-oxidizing environment. Our TZM is of the highest quality and conforms to ASTM B386 type 364 and B387 type 364 standards.

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TZM Chemical Composition:


Content (%)

Molybdenum, Mo 99.40
Titanium, Ti 0.5
Zirconium, Zr 0.08
Carbon, C 0.02

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

TZM Molybdenum Mechanical Properties:

Tensile Strength KSI (Mpa)-RT 110 (760)
KSI (Mpa)-500°C
KSI (Mpa)-1000°C
Elongation % in 1.0″. 15
Hardness DPH 220