GENERAL INFORMATION
| Typology |
Ready-to-use silver |
| Production process |
Casting |
| Color |
Silver |
| Color shade |
- |
| Density[g/cm3] |
10.26 |
| Melting temperatures |
|
| Solidus[℃] |
850 |
| Liquidus[℃] |
895 |
| Commercial composition |
|
| Ag(%) |
93 |
| Cu(%) |
4 |
| Zn(%) |
3 |
FULL CHARACTERIZATION DATA
| General characteristics |
|
| As cast grain size[μm] |
270 |
| Fluidity(grid filling test)[%] |
100 |
| Color coordinates |
|
| L* |
95.3 |
| a* |
-0.3 |
| b* |
4.7 |
| c* |
4.7 |
| Yellow index |
9.54 |
| Mechanical characteristics |
|
| Tensile strength (Rm)[MPa] |
255 |
| Yield strength(Rp0.2)[MPa] |
100 |
| Elongation at rupture(A) [%] |
33 |
| As cast hardness[HV0.2] |
55 |
| Hardness after 70% area red.[HV0.2] |
166 |
| Hardness after annealing[HV0.2] |
59 |
| Single step age-hardening hardness[HV0.2] |
134 |
PRODUCT APPLICATIONS
| Casting in closed systems |
| Casting without stones |
| Stone-in-place casting |
| TECHNICAL DATASHEET AND GUIDELINE |
|
| AG115MA |
|
| Title 925% |
Ready-to-use 925% silver alloy for casting in drops |
CASTING PROCESSING PARAMETERS
| Casting temperatures |
Metal- from [℃] |
Metal-to [℃] |
Flask- from [℃] |
Flask-to [℃] |
| Thin(below0.5mm) |
990 |
1020 |
560 |
600 |
| Medium(from0.5to1.2mm) |
970 |
990 |
520 |
560 |
| Thick(above1.2mm) |
950 |
970 |
480 |
520 |
Stone-in-place casting trees
Let the flask cool down for 30-45 minutes, then quench in water.
Trees without stones
Let the flask cool down in the chamber for 1 minute after pouring. Take the flask out of the machine without shaking it, let it cool for 15 minutes in air, then quench it in water.
AGE HARDENING PROCESSING PARAMETERS
| Age-hardening using solubilization treatment |
|
Temperature[℃] |
|
Time[min] |
Quenching |
| Solubilization |
|
750 |
|
40 |
Water, immediate |
| Age-hardening |
|
300 |
|
60 |
Air or in furnace |
| Single step age-hardening treatment |
Temperature[℃] |
|
Time[min] |
|
Quenching |
| Age-hardening |
300 |
|
60 |
|
Air or in furnace |