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AlphaSil404

925

General Information
Category	Silver
Caratage	925-950
Color	Silver
Color Shade	Silver
Typology	Alloys For Silver
Production Process	İnvestment Casting
Density [cm³]	10,4
Solidus [°C]	790
Liquidus [°C]	910
As cast hardness [HV]	80

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]	600

Color Coordinates
L*	93
a*	-0,2
b*	5,7
c*	5,7

Mechanical Caracteristics
Tensile Strength (Rm) [MPa]	225
Yields strength (Rp0.2) [MPa]	115
Elongation Rupture (A) [%]	24
As cast Hardness [HV]	80
Hardness after 70% area red. [HV]	170
Hardness after annealing [HV]	85
Hardness after age-hardening [HV]	125

Casting Processing Parameters
Pre-mixing temperature [°C]	1060

Casting Temperatures	Metal [°C]	Flask [°C]
Thin (below 0.5 mm )	1020 - 1050	640 - 680
Medium ( from 0.5-1.2 mm)	1000 - 1020	580 - 640
Thick (Thick 1.2 mm)	980 - 1000	500 - 580

Trees without stones After casting, cooling time for the flaks is 15 m

Stone-in-place casting trees After casting, cooling time for the flaks is 45 m

Pickling : Sulphuric acid (%10) - 5 min - 50°C

Age Hardening Processing Parameters
Single step age-hardening treatment	Temperature [°C]	Time [min]	Quenching	Age-hardening
Age-hardening	0	0	Cooling in furnuce

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