Argenco 40Y
Reduced Gold Alloys for Crown and Bridge
| Color | RICH YELLOW |
| Type | 2/4 |
| ADA Class | NOBLE (N) |
|
Application
|
|
| Processing | |
|---|---|
| Investment | Gypsum or Phosphate Bonded |
| Crucible | Graphite |
| Degassing Temp C | 650-980 |
| Oxidation Procedure |
| Solder & Laser Wires | |
|---|---|
| PreSolder | |
| PostSolder | LO |
| Laser Wire | LWO75 |
| Physical Properties | |
|---|---|
| VHN After Firing | |
| VHN Soft | 125 |
| VHN Hard | 215 |
| Proof Stress Soft MPa | 248 |
| Proof Stress Hard MPa | 552 |
| Tensile Strength Soft MPa | 414 |
| Tensile Strength Hard MPa | 621 |
| Elongation Soft | 30 |
| Elongation Hard | 13 |
| Elastic Modulus GPa | 81 |
| Composition | |
|---|---|
| Silver (Ag) | 45.99 |
| Gold (Au) | 39.9 |
| Copper (Cu) | 7.59 |
| Indium (In) | 1.5 |
| Palladium (Pd) | 4.0 |
| Zinc (Zn) | 1.0 |
| Iridium (Ir) | 0.01 |
| Lithium (Li) | 0.01 |
| Thermal Properties | |
|---|---|
| Melting Range C | 860-925 |
| Casting Temp C | 980 |
| Density g/cc | 12.4 |
| Expansion at 500C | |
| Expansion at 600C | |
| Burnout Temp C | 650 |