Steel, Bars, Forgings, and Tubing, 1.1si 1.45cr 1.0mo 0.08al (0.16-0.22c), Double Vacuum Melted AMS6255C

These products have been used for critical carburized parts, such as bearings, gears, and shafts, requiring high minimum core hardness with in a narrow range, good resistance to elevated temperature up to 600 degrees F (316 degrees C), and subject to very rigid magnetic particle inspection standards, but usage is not limited to such applications.