Slags, steelmaking
CAS 65996-71-6
U.S. production volumes are classified as confidential business information.
US productionCBI
Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.
Top sourceNo public record
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023.
Where It Comes From
EPA reports by year
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
EPA-registered manufacturers (48)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Dowlais Group Plc · GB United Kingdom
Gerdau S/A · BR Brazil
Jsw Steel · IN India
Outokumpu Oyj · FI Finland
Acero Junction Holdings
Show all 48
Allegheny Ludlum
Arkansas Steel Associates
Big River Steel
Carpenter Technology
Charter Manufacturing
Cleveland Cliffs Burns Harbor
Cleveland Cliffs Steel
Cleveland-Cliffs
Cmc Steel Fabricators, Inc. Dba Cmc Steel Arizona
Cmc Steel New Jersey
Cmc Steel Oklahoma
Cmc Steel Sc
Cmc Steel Texas
Cmc Steel Us
Commercial Metals
Evraz North America
Gerdau Ameristeel Petersburg
Gerdau Macsteel
Gerdau Usa
Gkn Powder Metallurgy Holdings
Keystone Consolidated Industries
Latrobe Specialty Steel
Metallus
Mid American Steel & Wire
Nlmk Usa
North American Stainless
North Star Bluescope Steel
Nucor
Nucor Steel
Nucor Steel Decatur
Nucor Steel Kankakee
Nucor Steel Sedalia
Nucor Steel Utah
Optimus Steel
Outokumpu Stainless Usa
Radius Recycling
Ssab Enterprises
Ssab Iowa
Steel Dynamics
Sterling Steel
United States Steel
Vallourec Usa
Vinton Steel
Domestic parents -- activity not disclosed (2)
EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.
Alton Steel
Gerdau Ameristeel Saint Paul
Why It Matters
Sectors
AgricultureTransportationConstructionMetals & MiningConsumer Products
Downstream UsesNot recorded
FDA Shortage Status
Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."
No FDA shortage records
Industrial Uses
Used in 9 sectors as 5 functional roles.
- •Filler in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (30%)Processing—incorporation into article
- •Filler in Construction (10%)Processing—incorporation into article
- •Filler in Asphalt Paving, Roofing, and Coating Materials Manufacturing (60%)Processing—incorporation into article
- •Soil amendments (fertilizers) in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (5%)Processing—repackaging
- •Intermediate in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (5%)Processing as a reactant
- •Intermediate in Other (100%)Processing—repackaging
- •Alloys in Primary Metal Manufacturing (100%)Processing—incorporation into article
- •Filler in Primary Metal Manufacturing (6%)Processing—repackaging
- •Filler in Other (100%)Processing—repackaging
- •Intermediate in Primary Metal Manufacturing (54%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Construction (46%)Processing—repackaging
- •Intermediate in Asphalt Paving, Roofing, and Coating Materials Manufacturing (40%)Processing—repackaging
- •Soil amendments (fertilizers) in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing) (75%)Processing—incorporation into formulation, mixture, or reaction product
- •Flux agent in Other (100%)Processing—repackaging
- •Alloys in Fabricated Metal Product Manufacturing (28%)Processing—repackaging
- •Alloys in Other (17%)Processing—repackaging
- •Alloys in Miscellaneous Manufacturing (6%)Processing—incorporation into article
- •Alloys in Transportation Equipment Manufacturing (1%)Processing—incorporation into article
Chemical Identity
CAS65996-71-6
PubChem CIDNot recorded
DTXSIDDTXSID3095519
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded
Data Sources
- EPA CompTox (DSSTox) · DTXSID3095519Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
Brief citations
Slags, steelmaking (CAS 65996-71-6) https://chemicalindependence.com/chemical/65996-71-6/ EPA CompTox (DSSTox): DTXSID3095519. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3095519 EPA Chemical Data Reporting: 65996-71-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 65996-71-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting