HT-522 RICH YELLOW ALL PURPOSE

UNITED Alloy # HT-522 is a Rich Reddish Yellow alloy that may be used for 9 K – 14 K casting.

You should obtain excellent results by following a few simple instructions.

MELTING We do recommend pre-alloying all alloy and fine gold with aggressive stirring & fluxing to assure a uniform mixture.

Step : 1 Pre- Alloying (Fine gold + alloy) Temperature 1010° - 1040° C

1850° - 1910° F

Step : 2 Casting Temperature for 9 K – 10 K Alloyed Grain 970° - 990° C

1780° - 1815° F

Casting Temperature for 14 K Alloyed Grain 950° - 970° C

1745° - 1780° F