Stainless Steel
Corrosion-resistant chromium steel alloys, anchored to Harry Brearley's 1913 Sheffield rustless steel and later stainless grades whose chromium-rich passive film protects against corrosion.
Core metadata
- ID: stainless_steel
- Era: Industrial
- First known date: 1913 (exact)
- Region: Sheffield, England; later global stainless-steel production
- Review status: source_checked
- Maturity: established
Prerequisites
Dependents
Fields
Field lanes
- Materials Science & Manufacturing: Metals & Alloys
Node sources
- The Discovery of Stainless Steel (British Stainless Steel Association, 2026, review) • Supports: node, maturity
- 100 Years Of Stainless Steel (Science Museum, 2013, museum) • Supports: node, maturity
- Understanding the passive behaviour of low-chromium high-entropy alloys in acidic environments (npj Materials Degradation, 2023, primary_paper) • Supports: node, maturity
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 2
- Average edge confidence: 81%
- Prerequisite sources: 2
- primary_source: 1
- review: 1
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Steel Production (steel_production) | required | 86% | review | Stainless steel is a chromium-bearing steel alloy; the scoped technology requires prior controlled steel production before chromium alloying can yield rustless/stainless steel. |
|
| Advanced Chemistry (advanced_chemistry) | enabling | 76% | primary_source | Understanding and controlling chromium content, carbon level, alloy chemistry, and passive-film corrosion behavior enables stainless steel, but chemistry is modeled as an enabling knowledge base rather than a single hard component. |
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