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Refractory Metals

Tantaloy® 63 (FS63) Tantalum Alloy (UNS R05252)
Categories: Metal; Nonferrous Metal; Refractory Metal

Material Notes: Ta-2.5W (electron-beam cast)

Key Words: UNS R05252, KBI® 2, FS-63
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Physical PropertiesMetricEnglishComments
Density 16.7 g/cc0.603 lb/in³electron-beam cast
 
Mechanical PropertiesMetricEnglishComments
Hardness, Vickers 130130electron-beam cast
Tensile Strength 345 MPa
@Temperature 1320 °C
50000 psi
@Temperature 2400 °F
Recrystallized
Tensile Strength, Ultimate 345 - 379 MPa50000 - 55000 psielectron-beam cast
Tensile Strength, Yield 230 - 241 MPa
@Strain 0.2 %
33400 - 35000 psi
@Strain 0.2 %
electron-beam cast
Elongation at Break 40 %40 %electron-beam cast
Rupture Strength 138 MPa
@Temperature 1320 °C,
Time 36000 sec
20000 psi
@Temperature 2400 °F,
Time 10.0 hour
Recrystallized
Modulus of Elasticity 179 - 195 GPa26000 - 28300 ksielectron-beam cast
 
Thermal PropertiesMetricEnglishComments
Melting Point 3005 °C5441 °F
 
Component Elements PropertiesMetricEnglishComments
Tantalum, Ta 97.5 %97.5 %As balance
Tungsten, W 2.5 %2.5 %

References for this datasheet.

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MRTa03 / 100353

Ensinger PEI

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