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AlphaCast303
10
14
General Information
Category
Gold
Caratage
10K-14K
Color
Red
Color Shade
Rose
Typology
Alloys For Gold
Production Process
İnvestment Casting
Density [cm
3
]
13,10
Solidus [°C]
840
Liquidus [°C]
890
As cast hardness [HV]
155
Ingredient
Ag
Cu
Zn
Ni
Deoxidant
Grain Refiner
Other
Typical Applications
Open System
Closed System
Sheet Production
General Characteristics
As Cast Grain Size [µm]
720
Color Coordinates
L*
83,6
a*
7,9
b*
15,9
c*
17,8
Mechanical Caracteristics
Tensile Strength (Rm) [MPa]
510
Yields strength (Rp0.2) [MPa]
393
Elongation Rupture (A) [%]
45
As cast Hardness [HV]
155
Hardness after 70% area red. [HV]
265
Hardness after annealing [HV]
149
Hardness after age-hardening [HV]
210
Casting Processing Parameters
Pre-mixing temperature [°C]
1100
Casting Temperatures
Metal [°C]
Flask [°C]
Thin (below 0.5 mm )
1050
-
1080
650
-
680
Medium ( from 0.5-1.2 mm)
1020
-
1050
600
-
650
Thick (Thick 1.2 mm)
990
-
1020
550
-
600
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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