Achieve unmatched brilliance and definition in every jewelry piece with 18K Hamilton Yellow Alloy — the perfect casting alloy for professionals and artisans. Designed for high-performance applications, this alloy delivers superior flow, high ductility, and a vibrant yellow tone ideal for 18K gold jewelry production.

18K Hamilton Yellow Alloy is specifically formulated for excellent castability, making it ideal for lost wax casting, intricate molds, and precision work. Whether you’re casting rings, earrings, pendants, or custom-designed pieces, this alloy guarantees porosity-free, crisp castings with a high-polish finish.

This alloy is a part of the advanced Spectrum Alloy Series, featuring silicon-deoxidized formulas that reduce oxidation, enhance reusability, and deliver smoother, cleaner casts. Its high silver content of 15% contributes to both beauty and performance, ensuring a strong balance between flowability and malleability. The result? Jewelry pieces with rich tone, durability, and consistent quality.

Optimized casting temperatures include:

• Flask burnout: 1,300°F

• Flask casting temperature: 1,000°F

• Casting temperature for yellow gold: 2,040°F

This alloy works seamlessly with centrifugal and vacuum casting machines, offering jewelers of all experience levels a reliable material for repeated use. Its precise melting range and low porosity significantly reduce post-casting work, allowing faster production and higher efficiency.

18K Hamilton Yellow Alloy is trusted by jewelry professionals for its bright tone, ease of use, and high-polish capability—a must-have for anyone seeking to create elegant, high-quality gold jewelry pieces.