Standard Specification for Castings, Investment, Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures

1.1 This specification covers carbon and low-alloy steel and cobalt alloy castings made by the investment casting process. 1.2 Fifteen grades of steel and two cobalt alloy grades are covered. 1.3 Supp This specification covers carbon and low-alloy steel and cobalt alloy castings made by the investment casting process. Fifteen grades of steel and two cobalt alloy grades are covered. Steel castings shall be heat treated either by full annealing, norma