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Master Alloy: Y290
Color: Yellow
Usage: 10K, 14K and 18K
Material Characteristics 10K 14K 18K
Density
 11.55 13.11 14.99
Hardness - Cold worked (reduced 60%)
 228 Hv 228 Hv 228 Hv
Hardness - Reduced 60%, annealed 15 minutes at 680C, water quenched
 200 Hv 195 Hv 144 Hv
Hardness - Reduced 60%, annealed 15 minutes at 680C, air cooled
 180 Hv 172 Hv 135 Hv
Investment Casting Parameters
      
Metal Pouring Temperature
 995C 1010C 1050C
Quench Time
 20 min. 20 min. 20 min.

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