Fine gold 999,9 |
586 g |
+ Master alloy |
414 g / A 214, nickeliferous |
Colour |
white |
Further information
Order-No. |
2620101508 |
Designation |
A214/2 palladium-free, for 14 ct white |
Technical data
Melting range |
915°C - 880°C |
Density |
12,4 g/cm³ |
Hardness |
as cast: 170 HV |
Application |
jewellery casting and continuous casting as sheet, wire, tube |
Processing
Casting |
suitable for vacuum casting and centrifugal casting as well as for continuous casting of tube, strip and wire |
Casting temperature |
1000°C - 1080°C |
Flask temp. |
560°C - 620°C |
Investment |
plaster bonded |
Quenching |
in 80°C hot water after 20 - 25 minutes |
Working |
Material can be deformed max. 50%, then it must be annealed. Only roll a little at a time. Roll the same thickness several times if necessary. |
Heat treatment
Annealing |
700°C - 750°C / 30 Min., slow cool in air |
Hardening |
300°C / 60 Min., slow cool in air |
Brazing |
brazing alloys up to 815°C, nickel-free, |
Flux |
WILAFLUX R |
Pickling agent |
warm nitric acid (HNO3) diluted 4:1 |
Note
These alloys contain nickel. Before circulating jewellery, made from these alloys, has to be tested according to the European Standard Test Procedure EN1811. |