|
::grade
|
unalloyed tantalum (R05200)
|
97.5% tantalum 2.5% tungsten (R05252)
|
plate/sheets ultimate tensile strength min, psi(MPa) < 0.060 in thk >=0.060 in thk
|
30,000(207) 25,000(172)
|
40,000 (276) 40,000(276)
|
plate/sheets yeild strength min, psi(MPa)
< 0.060 in thk >=0.060 in thk |
20,000(138) 15,000(103)
|
30,000 (207) 28,000(193)
|
elongation min%
< 0.060 in thk >=0.060 in thk |
20 30
|
20 20
|
|
Type |
Ta |
W |
Nb |
|
R05200 / R05400 |
Unalloyed |
|
R05252 |
97.5 % |
2.5 % |
- |
|
R05255 |
90 % |
10 % |
- |
|
R05240 |
60 % |
- |
40 % |
|