Argedent 74
High Gold Alloys for Ceramics
| Color | YELLOW |
| Type | 4 |
| ADA Class | HIGH NOBLE (HN) |
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Application
  
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| Processing | |
|---|---|
| Investment | Phosphate Bonded |
| Crucible | Graphite / Ceramic |
| Degassing Temp C | |
| Oxidation Procedure | No Hold, Do Not Remove Oxide, No Vacuum |
| Solder & Laser Wires | |
|---|---|
| PreSolder | Y, YSF |
| PostSolder | 615, 650, 720 |
| Laser Wire | LWT65 |
| Physical Properties | |
|---|---|
| VHN After Firing | 180 |
| VHN Soft | |
| VHN Hard | 225 |
| Proof Stress Soft MPa | 428 |
| Proof Stress Hard MPa | 517 |
| Tensile Strength Soft MPa | 560 |
| Tensile Strength Hard MPa | 586 |
| Elongation Soft | 12 |
| Elongation Hard | 8 |
| Elastic Modulus GPa | 88 |
| Composition | |
|---|---|
| Silver (Ag) | 10.8 |
| Gold (Au) | 74.0 |
| Indium (In) | 2.5 |
| Palladium (Pd) | 7.6 |
| Tin (Sn) | 1.0 |
| Iridium (Ir) | 0.1 |
| Platinum (Pt) | 4.0 |
| Thermal Properties | |
|---|---|
| Melting Range C | 1135-1180 |
| Casting Temp C | 1260 |
| Density g/cc | 16.2 |
| Expansion at 500C | 15 |
| Expansion at 600C | 15.4 |
| Burnout Temp C | 815 |