Fine gold 999,9 |
586 g |
+ Master alloy |
414 g A314/R |
Colour |
red |
Further information
Order-No. |
2620100108 |
Designation |
A314/ R, for 14K red gold |
Technical data
Melting range |
890°C - 840°C |
Density |
13,1 g/cm³ |
Hardness |
as cast: 155 HV |
Application |
jewellery casting and continuous casting as sheet, wire, tube |
Processing
Casting |
suitable for hand casting and for continuous casting of tube, strip and wire |
Casting temperature |
1040 °C - 1080°C |
Flask temp. |
620°C - 640°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 |
650°C / 30 min, and then quench in hot water, optionally with alcohol added |
Hardening |
400°C - 440°C / 60 min, slow cool in air |
Brazing |
WIELAND brazing alloy 1426H (870°C) |
Flux |
Fluoron |
Pickling agent |
sulphuric acid (H2SO4) 10 % |