NAICS 331512: This U.S. industry comprises establishments primarily engaged in manufacturing steel investment castings. Investment molds are formed by covering a wax shape with a refractory slurry. After the refractory slurry hardens, the wax is melted, leaving a seamless mold. Investment molds provide highly detailed, consistent castings. Establishments in this industry purchase steel made in other establishments.


  • Foundries, Steel Investment
  • Investment Castings, Steel, Unfinished, Manufacturing
  • Steel Investment Castings, Unfinished, Manufacturing
  • Steel Investment Foundries

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