SIC 3341 — Secondary Smelting and Refining of Nonferrous Metals
Description & Classification
SIC code 3341 representing 'Secondary Smelting and Refining of Nonferrous Metals' is an industry category in the Standard Industrial Classification (SIC) system under U.S. OSHA and Federal procurement registers.
Modern NAICS Crosswalk
Trace the modern equivalent classifications in the 2022 North American Industry Classification System (NAICS) database:
- NAICS 331314 - Secondary Smelting and Alloying of Aluminum (via SIC1987:3341→NAICS1997:331314→2002:331314→2007:331314→2012:331314→2017:331314→2022:331314)
- NAICS 331420 - Copper Rolling, Drawing, Extruding, and Alloying (via SIC1987:3341→NAICS1997:331423→2002:331423→2007:331423→2012:331420→2017:331420→2022:331420)
- NAICS 331492 - Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum) (via SIC1987:3341→NAICS1997:331492→2002:331492→2007:331492→2012:331492→2017:331492→2022:331492)
Classification Details
| SIC Code | 3341 |
|---|---|
| Industry Title | Secondary Smelting and Refining of Nonferrous Metals |
| Division | Division D: Manufacturing |
| Major Group | Major Group 33: Primary Metal Industries |
| Source / Verified | US Census 1987 SIC Concordance / 2026-06-28 |
Related Resources & Compliance Guides
Further regulatory reference links for legacy SIC code 3341:
- SIC Codes Complete Compliance Guide — Detailed history and active legal applications of the SIC classification framework.
- Why Legacy SIC Codes Persist Guide — How credit systems and the SEC still rely on SIC metadata.
- SIC ↔ NAICS Crosswalk Tool — Trace industrial code conversions dynamically.
- SIC Major Group 33 Hub — View other legacy industries in this business division.
Related Industries in Major Group 33
Frequently Asked Questions (FAQ)
What industry does SIC code 3341 represent?
SIC 3341 is 'Secondary Smelting and Refining of Nonferrous Metals', a 4-digit Standard Industrial Classification (SIC) code under Major Group 33: Primary Metal Industries (Division D: Manufacturing); it maps to modern 2022 NAICS code(s): 331314 (Secondary Smelting and Alloying of Aluminum), 331420 (Copper Rolling, Drawing, Extruding, and Alloying).
What is the modern 2022 NAICS mapping for SIC 3341?
SIC code 3341 maps to modern NAICS codes: 331314 - Secondary Smelting and Alloying of Aluminum, 331420 - Copper Rolling, Drawing, Extruding, and Alloying, 331492 - Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum).