2017 NAICS Definition
T = Canadian, Mexican, and United States industries are comparable.
331512 Steel Investment Foundries
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.
Cross-References. Establishments primarily engaged in--
- Manufacturing steel castings (except steel investment castings)--are classified in U.S. Industry 331513, Steel Foundries (except Investment); and
- Manufacturing steel investment castings and further manufacturing them into finished products--are classified based on the specific finished product.
2007 NAICS | | 2012 NAICS | | 2017 NAICS | | Corresponding Index Entries |
| 331512 | | 331512 | | 331512 | | Foundries, steel investment |
| 331512 | | 331512 | | 331512 | | Investment castings, steel, unfinished, manufacturing |
| 331512 | | 331512 | | 331512 | | Steel investment castings, unfinished, manufacturing |
| 331512 | | 331512 | | 331512 | | Steel investment foundries |