Argenco 56
High Gold Alloys for Crown and Bridge
| Color | YELLOW |
| Type | 4 |
| ADA Class | HIGH NOBLE (HN) |
|
Application
 
|
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| Processing | |
|---|---|
| Investment | Gypsum or Phosphate Bonded |
| Crucible | Graphite / Ceramic |
| Degassing Temp C | |
| Oxidation Procedure |
| Solder & Laser Wires | |
|---|---|
| PreSolder | --- |
| PostSolder | LO, 585 |
| Laser Wire | LWO56 |
| Physical Properties | |
|---|---|
| VHN After Firing | |
| VHN Soft | 186 |
| VHN Hard | 254 |
| Proof Stress Soft MPa | 372 |
| Proof Stress Hard MPa | 717 |
| Tensile Strength Soft MPa | 503 |
| Tensile Strength Hard MPa | 745 |
| Elongation Soft | 38 |
| Elongation Hard | 3 |
| Elastic Modulus GPa | 100 |
| Composition | |
|---|---|
| Silver (Ag) | 25.0 |
| Gold (Au) | 55.8 |
| Copper (Cu) | 13.83 |
| Indium (In) | 0.25 |
| Palladium (Pd) | 4.11 |
| Iridium (Ir) | 0.01 |
| Zinc (Zn) | 1.0 |
| Thermal Properties | |
|---|---|
| Melting Range C | 870-930 |
| Casting Temp C | 1010 |
| Density g/cc | 13.6 |
| Expansion at 500C | |
| Expansion at 600C | |
| Burnout Temp C | 650 |