A versatile white gold casting alloy for three karats
OB307W1 is a nickel-containing master alloy for casting 9K, 14K and 18K (375‰, 585‰ and 750‰) white gold. Legor's technical sheets specify high deoxidation and minimum grain refinement, with stone-in-place casting and open or closed system applications.
Sold by the troy ounce (OZT). Quantity 1 equals 1 OZT (31.1 grams) of master alloy. Increase quantity for additional whole troy ounces.
- 9K, 14K and 18K white gold
- Premium white at 9K; standard white at 14K; off-white at 18K
- High deoxidation; minimum grain refinement
- Contains nickel
Master alloy commercial composition: Copper 57.8%, nickel 20%, zinc 20%, silver 2.2%. Composition and physical properties of the finished gold depend on the karat and gold addition.
This master alloy is intended to be combined with gold to make the specified jewelry alloy. Gold is added separately. Follow Legor's technical sheet for the chosen karat and manufacturing process.