SIC 3312 — Steel Works, Blast Furnaces
Description & Classification
SIC code 3312 representing 'Steel Works, Blast Furnaces' 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 331110 - Iron and Steel Mills and Ferroalloy Manufacturing (via SIC1987:3312→NAICS1997:331111→2002:331111→2007:331111→2012:331110→2017:331110→2022:331110)
- NAICS 331221 - Rolled Steel Shape Manufacturing (via SIC1987:3312→NAICS1997:331221→2002:331221→2007:331221→2012:331221→2017:331221→2022:331221)
- NAICS 324199 - All Other Petroleum and Coal Products Manufacturing (via SIC1987:3312→NAICS1997:324199→2002:324199→2007:324199→2012:324199→2017:324199→2022:324199)
Classification Details
| SIC Code | 3312 |
|---|---|
| Industry Title | Steel Works, Blast Furnaces |
| 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 3312:
- 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 3312 represent?
SIC 3312 is 'Steel Works, Blast Furnaces', 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): 331110 (Iron and Steel Mills and Ferroalloy Manufacturing), 331221 (Rolled Steel Shape Manufacturing).
What is the modern 2022 NAICS mapping for SIC 3312?
SIC code 3312 maps to modern NAICS codes: 331110 - Iron and Steel Mills and Ferroalloy Manufacturing, 331221 - Rolled Steel Shape Manufacturing, 324199 - All Other Petroleum and Coal Products Manufacturing.