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AlphaSil410

925

General Information
Category	Silver
Caratage	925-950
Color	Silver
Color Shade	Silver
Typology	Alloys For Silver
Production Process	Universal
Density [cm³]	10,4
Solidus [°C]	780
Liquidus [°C]	900
As cast hardness [HV]	75

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]	100

Color Coordinates
L*	97,7
a*	-0,4
b*	2,5
c*	2,6

Mechanical Caracteristics
Tensile Strength (Rm) [MPa]	250
Yields strength (Rp0.2) [MPa]	110
Elongation Rupture (A) [%]	30
As cast Hardness [HV]	75
Hardness after 70% area red. [HV]	170
Hardness after annealing [HV]	66
Hardness after age-hardening [HV]	135

Casting Processing Parameters
Pre-mixing temperature [°C]	1020

Casting Temperatures	Metal [°C]	Flask [°C]
Thin (below 0.5 mm )	980 - 1010	580 - 620
Medium ( from 0.5-1.2 mm)	970 - 990	540 - 580
Thick (Thick 1.2 mm)	960 - 980	500 - 540

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

Mechanical Working Parameters

Pre-mixing temperature [°C]	980-1040
Pickling	Sulphamic acid (%30)

Casting Temperature	Metal - from [°C]	Metal - to [°C]
Ingot Making	1000	1030
Continuous Casting	1000	1070

Reccomended reductions
Sheet - area or thickness [%]	70
Wire - diameter [%]	50

Mechanical working recommended annealing	Temperature [°C]	Time [min]
> 5 mm	580 - 620	30
1 - 5 mm	580 - 620	25
< 1 mm	580 - 620	20

Age Hardening Processing Parameters
Single step age-hardening treatment	Temperature [°C]	Time [min]	Quenching	Age-hardening
Age-hardening	300	100	Cooling in furnuce

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