Alloy Number0172Cast Temp Range1735-1820 FCopper Composition Percent40.5Flask Temp900-1000 FGrain ColorBright YellowGrain Color Descriptionour original bright yellowGrain Density11.47Grain TypeCastingGrain Vickers Hardness135Master Alloy UsedCA03Melt Temp Range1480-1610 FSilver Composition Percent11.2Zinc Composition Percent6.6Metal Quality10KYJewelry Material Type1GoldMetal Purity110kMetal Color1Yellow