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AlphaSoft147

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General Information
Category	Gold
Caratage	8K-9K
Color	Yellow
Color Shade	Light Yellow
Typology	Alloys For Gold
Production Process	Plastic Deformation and Handmade
Density [cm³]	12,90
Solidus [°C]	780
Liquidus [°C]	810
As cast hardness [HV]	134

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]

Color Coordinates
L*
a*
b*
c*

Mechanical Caracteristics
Tensile Strength (Rm) [MPa]	460
Yields strength (Rp0.2) [MPa]
Elongation Rupture (A) [%]	39
As cast Hardness [HV]	134
Hardness after 70% area red. [HV]
Hardness after annealing [HV]
Hardness after age-hardening [HV]	170

Mechanical Working Parameters

Pre-mixing temperature [°C]	1000-1050
Pickling	Sulphuric acid (%10)

Casting Temperature	Metal - from [°C]	Metal - to [°C]
Ingot Making	1000	1050
Continuous Casting	1020	1100

Reccomended reductions
Sheet - area or thickness [%]	65
Wire - diameter [%]	45

Mechanical working recommended annealing	Temperature [°C]	Time [min]
> 5 mm	630 - 670	40
1 - 5 mm	630 - 670	30
< 1 mm	630 - 670	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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