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Metal Casting

Metal Casting

AQL Acceptable Quality Level. A quality level established on a prearranged system of inspection using samples selected at random. As-cast condition Casting without subsequent heat treatment. Backing sand The bulk of the sand in the flask. The sand compacted on top of...

Cast Copper Alloys

A Primer on Selecting Cast Copper Alloys Traditionally, cast copper alloys were classified by a variety of systems including the ASTM letter-number designation based on nominal composition, by trade names, and by descriptive terms such as “ounce metal,”...
Tech Properties Gray Iron

Tech Properties Gray Iron

  Microscopically, all gray irons contain flake graphite dispersed in a silicon-iron matrix. How much graphite is present, the length of the flakes and how they are distributed in the matrix directly influence the properties of the iron. The basic strength and...