Monday, 14. October 2019
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A 214/N

Sample of prepared 14K white gold alloy per 1,000 g

Fine gold 999,9

586 g

+ Master alloy

414 g A214/N, palladium-free

Colour

white, rhodium plating recommended

 

 

Further information

Order-No.

2630100608

Designation

A214/N palladium-free, for 14 ct white

 

 

Technical data

Melting range

915°C - 880°C

Density

12,4 g/cm³

Hardness

as cast: 145 HV
soft: 160 HV
50% reduction: 230 HV
hardened: 220 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

1020°C - 1060°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 / 30 min, slow cool in air

Hardening

400°C / 60 min, slow cool in air

Brazing

Brazing alloys up to 815°C, nickel-free,
e.g. WIELAND brazing alloy 1820H (800°C), 1821W (740°C)

Flux

WILAFLUX R

Pickling agent

Warm nitric acid (HNO3), diluted 4:1


Data sheet for A 214/N