Tantal -10% wolfram og tantal -2,5% wolfram har en h?jere styrke ved forh?jede temperaturer, og bedre korrosionsbestandighed end ren tantal.
Koldtvalset, udgl?det
|
Thickness (mm) |
Width (mm) |
Length (mm) |
Foil |
0.03-0.09 |
30-150 |
>200 |
Sheet |
0.1-0.5 |
30- 609.6 |
30-1000 |
Board |
0.5-10 |
50-1000 |
50-2000 |
Purity: >=99.95% or 99.99% |
Chemistry ppm |
||||||||||||
Designation |
Chief component |
Impurities maxmium |
||||||||||
Ta |
Nb |
Fe |
Si |
Ni |
W |
Mo |
Ti |
O |
C |
H |
N |
|
Ta1 |
Remainder |
300 |
40 |
30 |
20 |
40 |
40 |
20 |
150 |
40 |
15 |
20 |
Ta2 |
Remainder |
800 |
100 |
100 |
50 |
200 |
200 |
50 |
200 |
100 |
15 |
100 |
TaNb3 |
Remainder |
<35000 |
100 |
100 |
50 |
200 |
200 |
50 |
200 |
100 |
15 |
100 |
TaNb20 |
Remainder |
170000- 230000 |
100 |
100 |
50 |
200 |
200 |
50 |
200 |
100 |
15 |
100 |
Ta2.5W |
Remainder |
400 |
50 |
30 |
20 |
30000 |
60 |
20 |
150 |
50 |
15 |
60 |
Ta10W |
Remainder |
400 |
50 |
30 |
20 |
110000 |
60 |
20 |
150 |
50 |
15 |
60 |
Grade and size |
Annealed |
||
Tensile strength min, psi (MPa) |
Yield strength min,psi (MPa)(2%) |
Elongation min, % (1 inch gage length) |
|
Sheet, foil. and board (RO5200, RO5400) Thickness<0.060"(1.524mm) Thickness≥0.060"(1.524mm) |
30000 (207) |
20000 (138) |
20 |
25000 (172) |
15000 (103) |
30 |
|
Ta-10W (RO5255) Sheet, foil. and board |
70000 (482) |
60000 (414) |
15 |
70000 (482) |
55000 (379) |
20 |
|
Ta-2.5W (RO5252) Thickness<0.125" (3.175mm) Thickness≥0.125" (3.175mm) |
40000 (276) |
30000 (207) |
20 |
40000 (276) |
28000 (193) |
20 |
|
Ta-40Nb (RO5240) Thickness<0.060"(1.524mm) |
40000 (276) |
28000 (193) |
20 |
Standard: ASTM B708
UNS R05252 Ta-2.5W
UNS R05255 Ta-10W
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