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AlphaSoft178


General Information
Category Gold
Caratage 14K
Color Yellow
Color Shade Deep Yellow
Typology Alloys For Gold
Production Process Plastic Deformation and Handmade
Density [cm3] 12,7
Solidus [°C] 850
Liquidus [°C] 890
As cast hardness [HV] 119
Ingredient
  • Ag
  • Cu
  • Zn
  • Ni
  • Deoxidant
  • Grain Refiner
  • Other
Typical Applications
Open System
Closed System
Press
CNC and Lathe Production
Handmade
Hollow Chain
Machine Chain
Wire Production
Production of tube from continuous casting
Sheet Production
Hollow chain Production
General Characteristics
As Cast Grain Size [µm] 70
Color Coordinates
L* 87,4
a* 4,2
b* 18,4
c* 18,9
Mechanical Caracteristics
Tensile Strength (Rm) [MPa] 420
Yields strength (Rp0.2) [MPa] 219
Elongation Rupture (A) [%] 37
As cast Hardness [HV] 119
Hardness after 70% area red. [HV] 245
Hardness after annealing [HV] 118
Hardness after age-hardening [HV] 145
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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