 |
   |
| DORADO
78PF |
| Au |
Pt |
Zn |
Ir |
Ta |
|
77.7
|
19.5
|
2
|
x
|
x
|
|
"X" denotes a content of less than one percent.
| Type |
IV |
| Color |
Yellow |
| Melting
Range |
1975-2155oF |
| Casting
Temperature |
2425oF |
| Density |
19.1
g/cm3 |
| Yield
Strength |
s=93,000
h=110,000 psi |
| Tensile
Strength |
s=108,000
h=120,000 psi |
| Elongation |
s=9%
h=6% |
| Vickers
Hardness |
s=245
h=255 |
| Investment |
Phosphate
Bonded |
| Burnout
Temperature |
1470oF |
| Oxidation |
1200-1740oF |
| Minutes/Vacuum |
10/No |
| Sandblast |
Yes |
| Hardening |
930oF,
60 min, Air Cool |
| Coef.
of Exp. 25-500oC |
14.0 |
| Coef.
of Exp. 25-600oC |
14.2 |
| Pre-Solder |
YPF |
| Post-Solder |
650,
720 |
| |
s=soft;
h=hard |
|
Dorado
Dental Supply, Inc.
1010 University Ave #466
San Diego, CA 92103
800-215-6930
fax: 619-330-2552
email: info@doradodentalsupply.com
Copyright ©
2005 - Dorado Dental Supply, All rights reserved.
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