aid: ak-steel-holding url: https://raw.githubusercontent.com/api-evangelist/ak-steel-holding/refs/heads/main/apis.yml name: AK Steel Holding tags: - Automotive - Manufacturing - Materials - Steel - Metals - Fortune 500 - Defunct type: Index deliveryModel: model: unknown open_source: false commercial: false callable_host: false label: Delivery model not determined — needs a product licence on record confidence: low source: - none generated: '2026-08-28' method: derived accessModel: pricing: enterprise onboarding: unknown trial: false try_now: false public: false label: Enterprise confidence: medium source: - plans generated: '2026-07-22' method: derived image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/ak-steel-holding.png description: AK Steel Holding Corporation was a leading producer of flat-rolled carbon, stainless, and electrical steel products, as well as carbon and stainless tubular products, primarily serving the automotive, infrastructure, manufacturing, and electrical power markets. AK Steel was acquired by Cleveland-Cliffs Inc. in March 2020 and now operates as a subsidiary. created: '2025-01-01' modified: '2026-09-15' specificationVersion: '0.23' x-status: defunct x-status-detail: Acquired by Cleveland-Cliffs in March 2020; no longer exists as an independent entity. apis: - aid: ak-steel-holding:investor-relations x-published: false name: AK Steel Investor Relations description: AK Steel Holding Corporation investor relations portal providing access to financial reports, SEC filings, news releases, and shareholder information. Following acquisition by Cleveland-Cliffs in 2020, investor inquiries are directed to Cleveland-Cliffs investor relations. humanURL: https://www.clevelandcliffs.com/investors tags: - Finance - Investor Relations - SEC Filings - Shareholder x-retired: original_url: https://ir.aksteel.com/ status: checked: '2026-08-30' note: The original AK Steel investor-relations host ir.aksteel.com no longer publishes a DNS address record (NOERROR, no A/AAAA; last Internet Archive capture 2021-10-22), so the pointer was removed rather than left to rot. AK Steel's own profile already stated that investor inquiries are directed to Cleveland-Cliffs, the successor entity that completed the acquisition on 2020-03-13; the entry now points at that company's live investor page (HTTP 200, verified 2026-08-30). properties: - type: Documentation url: https://www.clevelandcliffs.com/investors common: - type: FinOps url: finops/ak-steel-holding-finops.yml - type: DomainSecurity url: security/ak-steel-holding-domain-security.yml - type: Lifecycle url: lifecycle/ak-steel-holding-lifecycle.yml - type: LLMsTxt url: llms/ak-steel-holding-llms.txt - type: Plans url: plans/ak-steel-holding-plans-pricing.yml - type: RateLimits url: rate-limits/ak-steel-holding-rate-limits.yml - type: LinkedIn url: https://www.linkedin.com/company/ak-steel - type: Features data: - name: Flat-Rolled Carbon Steel description: High-quality flat-rolled carbon steel products serving automotive and manufacturing sectors, including advanced high-strength steel grades for lightweighting applications. - name: Stainless Steel Products description: Stainless and electrical steel products for infrastructure, manufacturing, and electrical power generation applications. - name: Tubular Products description: Carbon and stainless tubular products and related customer solutions through subsidiary operations. - name: Automotive Steel Solutions description: Specialized automotive steel production including hot- and cold-stamped components, die design, and tooling services. - type: UseCases data: - name: Automotive Manufacturing description: Steel suppliers and automotive OEMs source advanced high-strength steel for vehicle body structures and components. - name: Electrical Power Infrastructure description: Utilities and electrical equipment manufacturers source specialized electrical steel for transformers and motors. - name: Construction and Infrastructure description: Infrastructure projects source flat-rolled carbon steel for structural applications. maintainers: - FN: Kin Lane email: kin@apievangelist.com x-enrichment: date: '2026-08-30' status: minimal artifacts_added: 3 pass: local-v1 x-coverage: state: none reason: defunct detail: 'AK Steel Holding was absorbed into Cleveland-Cliffs on 2020-03-13 and has no web presence left to read: aksteel.com is still registered and routes mail to Cleveland-Cliffs'' Microsoft 365 tenant, but the apex, www and ir subdomains publish no DNS address record at all, so probes fail at resolution and never reach an HTTP status.' evidence: - url: https://ir.aksteel.com/ status: - url: https://www.aksteel.com/ status: - url: https://www.clevelandcliffs.com/.well-known/api-catalog status: 404 - url: https://www.clevelandcliffs.com/news/news-releases/detail/35/cleveland-cliffs-completes-acquisition-of-ak-steel status: 200 checked: '2026-08-30' x-parent: cleveland-cliffs x-relationship: acquisition x-acquired: 2020