Fine gold 999,9

586 g

+ Master alloy

414  g / A 214, nickeliferous

Colour

white

Order-No.

2620101508

Designation

A214/2 palladium-free, for 14 ct white

Melting range

915°C - 880°C

Density

12,4 g/cm³

Hardness

as cast: 170 HV
soft: 175 HV
50% reduction: 240 HV

Application

jewellery casting and continuous casting as sheet, wire, tube

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.

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,
e.g. WIELAND brazing alloys
1820H (800°C), 1821W (740°C)

Flux

WILAFLUX R

Pickling agent

warm nitric acid (HNO₃) diluted 4:1

These alloys contain nickel. Before circulating jewellery, made from these alloys, has to be tested according to the European Standard Test Procedure EN1811.