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AlphaCast333
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General Information
Category
Gold
Caratage
8-22K
Color
Red
Color Shade
Red
Typology
Alloys For Gold
Production Process
İnvestment Casting
Density [cm
3
]
13,50
Solidus [°C]
860
Liquidus [°C]
905
As cast hardness [HV]
Ingredient
Ag
Cu
Zn
Ni
Deoxidant
Grain Refiner
Other
Typical Applications
Open System
Closed System
Sheet Production
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
Trees without stones
Stone-in-place casting trees
Pickling :
Age Hardening Processing Parameters
Single step age-hardening treatment
Temperature [°C]
Time [min]
Quenching
Age-hardening
Age-hardening
300
100
Cooling in furnuce
12
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