AMS6303K Steel Bars, Forgings and Forging Stock, Low Alloy, Heat-Resistant 0.65Si - 1.25Cr - 0.50Mo - 0.85V (0.25 - 0.30C)

AMS6303K is the result of a Five-Year Review and update of the specification. The revision updates the title to match the scope, clarifies chemistry reporting (3.1.1), clarifies macrostructure testing (3.3.1.1, 8.9), revises decarburization test methods (3.3.3.4), adds reduced testing per AMS2301 (4.2.1, 4.4.5), addresses additional testing for forging stock (4.4.3), allows prior revisions (8.7), adds a note on surface finish (8.8), and updates the prohibition on unauthorized exceptions (Table 2, 3.6, 8.6).