331423 Secondary Smelting, Refining, and Alloying of Copper
This U.S. industry comprises establishments primarily engaged in (1) recovering copper and copper alloys from scrap and/or (2) alloying purchased copper. Establishments in this industry make primary forms, such as ingot, wire bar, cake, and slab from copper or copper alloys, such as brass and bronze.
Cross-References. Establishments primarily engaged in--
Go to: | No change 1997 to 2002 | 2002 NAICS to 1987 SIC | 1997 Economic Census | Bridge Between 1997 NAICS and SIC |
2002 NAICS | 1997 NAICS | 1987 SIC | Corresponding Index Entries |
---|---|---|---|
331423 | 331423 | 3341 | Alloying purchased copper |
331423 | 331423 | 3341 | Alloying purchased copper metals |
331423 | 331423 | 3341 | Copper alloys (e.g., brass, bronze) made from purchased metal or scrap |
331423 | 331423 | 3341 | Copper and copper-based shapes (e.g., cake, ingot, slag, wire bar) made from purc |
331423 | 331423 | 3399 | Copper powder, flakes, and paste made from purchased copper |
331423 | 331423 | 3341 | Copper secondary smelting and alloying |
331423 | 331423 | 3341 | Copper secondary smelting and refining from purchased metal or scrap |
331423 | 331423 | 3399 | Metal powder and flake made from purchased copper |
331423 | 331423 | 3399 | Paste made from purchased copper |
331423 | 331423 | 3399 | Powder made from purchased copper |
331423 | 331423 | 3341 | Refining copper, secondary |