ALUMINUM ALLOY CASTINGS, SAND, MODERATE HEAT RESISTANT 5.0Cu - 1.5Ni - 0.25Mn - 0.25Sb - 0.25Co - 0.20Ti - 0.20Zr Solution and Precipitation Heat Treated AMS4225 – available for purchase at $54.00. Find the right standards and certifications for your needs with SAE.