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AlphaFine708


General Information
Category Gold
Caratage 10K-14K
Color Yellow
Color Shade Light Yellow
Typology Alloys For Gold
Production Process Plastic Deformation and Handmade
Density [cm3] 12.84
Solidus [°C]
Liquidus [°C]
As cast hardness [HV]
Ingredient
  • Ag
  • Cu
  • Zn
  • Ni
  • Deoxidant
  • Grain Refiner
  • Other
Typical Applications
General Characteristics
As Cast Grain Size [µm]
Color Coordinates
L*
a*
b*
c*
Mechanical Caracteristics
Tensile Strength (Rm) [MPa]
Yields strength (Rp0.2) [MPa]
Elongation Rupture (A) [%]
As cast Hardness [HV]
Hardness after 70% area red. [HV]
Hardness after annealing [HV]
Hardness after age-hardening [HV]
Mechanical Working Parameters
Pre-mixing temperature [°C] 1000-1050
Pickling Sulphuric Acid (%10)
Casting Temperature Metal - from [°C] Metal - to [°C]
Ingot Making 1000 1050
Continuous Casting 1020 1100
Reccomended reductions
Sheet - area or thickness [%] 65
Wire - diameter [%] 45
Mechanical working recommended annealing Temperature [°C] Time [min]
> 5 mm 660 - 680 40
1 - 5 mm 660 - 680 30
< 1 mm 660 - 680 20
Age Hardening Processing Parameters
Single step age-hardening treatment Temperature [°C] Time [min] Quenching Age-hardening
Age-hardening 275 100 Cooling in furnuce
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