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AlphaSoft253


General Information
Category Gold
Caratage 10-18K
Color White
Color Shade Standart White
Typology Alloys For Gold
Production Process Plastic Deformation and Handmade
Density [cm3] 10,10
Solidus [°C] 830
Liquidus [°C] 910
As cast hardness [HV] 138
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] 130
Color Coordinates
L* 84,2
a* 2,2
b* 12,1
c* 12,2
Mechanical Caracteristics
Tensile Strength (Rm) [MPa] 562
Yields strength (Rp0.2) [MPa] 260
Elongation Rupture (A) [%] 48
As cast Hardness [HV] 138
Hardness after 70% area red. [HV] 275
Hardness after annealing [HV] 150
Hardness after age-hardening [HV] 205
Mechanical Working Parameters
Pre-mixing temperature [°C] 1030-1080
Pickling Sulphuric Acid (%10)
Casting Temperature Metal - from [°C] Metal - to [°C]
Ingot Making 1030 1080
Continuous Casting 1060 1120
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 285 100 Cooling in furnuce
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