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AlphaSoft141


General Information
Category Gold
Caratage 18K
Color Yellow
Color Shade Light Yellow
Typology Alloys For Gold
Production Process Plastic Deformation and Handmade
Density [cm3] 14,8
Solidus [°C] 855
Liquidus [°C] 875
As cast hardness [HV] 140
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] 120
Color Coordinates
L* 88,2
a* 2,5
b* 22,6
c* 22,7
Mechanical Caracteristics
Tensile Strength (Rm) [MPa] 400
Yields strength (Rp0.2) [MPa] 260
Elongation Rupture (A) [%] 35
As cast Hardness [HV] 140
Hardness after 70% area red. [HV] 259
Hardness after annealing [HV] 158
Hardness after age-hardening [HV] 215
Mechanical Working Parameters
Pre-mixing temperature [°C] 1020-1080
Pickling Sulphuric acid (%10)
Casting Temperature Metal - from [°C] Metal - to [°C]
Ingot Making 1020 1080
Continuous Casting 1080 1120
Reccomended reductions
Sheet - area or thickness [%] 65
Wire - diameter [%] 45
Mechanical working recommended annealing Temperature [°C] Time [min]
> 5 mm 660 - 700 40
1 - 5 mm 660 - 700 30
< 1 mm 660 - 700 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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