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AlphaCast038


General Information
Category Gold
Caratage 8-22K
Color Red
Color Shade Red
Typology Alloys For Gold
Production Process İnvestment Casting
Density [cm3] 16.83
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]
Casting Processing Parameters
Pre-mixing temperature [°C] 1150
Casting Temperatures Metal [°C] Flask [°C]
Thin (below 0.5 mm ) 1100 - 1150 720 - 750
Medium ( from 0.5-1.2 mm) 1080 - 1100 700 - 730
Thick (Thick 1.2 mm) 1060 - 1080 680 - 700
Age Hardening Processing Parameters
Single step age-hardening treatment Temperature [°C] Time [min] Quenching Age-hardening
Age-hardening 300 100 Cooling in furnuce
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