Bessemer Process

The first inexpensive industrial process for the mass production of steel from molten pig iron by blowing air through it to remove impurities.

Core metadata

ID: bessemer_process
Era: Industrial
First known date: 1856 (exact)
Region: Sheffield, England
Review status: source_checked
Maturity: N/A

Prerequisites

Dependents

Open-Hearth Furnace (open_hearth_furnace)

Fields

None.

Node sources

Bessemer process (Encyclopaedia Britannica, 2026, textbook) • Supports: node
Bessemer Converter (Sheffield Museums Trust, 2026, museum) • Supports: node

Prerequisite edge evidence

Edge/source evidence summary:

Prerequisite edges: 4
Average edge confidence: 68%
Prerequisite sources: 4
expert_inference: 4

Prerequisite	Type	Confidence	Evidence level	Note	Sources
Steel Production (steel_production)	enabling	68%	expert_inference	Steel Production provides a capability that enables this technology without being the only possible path.	Benjamin Huntsman (Encyclopaedia Britannica, 2026, textbook) • Supports: edge
Advanced Chemistry (advanced_chemistry)	enabling	68%	expert_inference	Advanced Chemistry provides a capability that enables this technology without being the only possible path.	Chemistry (Encyclopaedia Britannica, 2026, generic_overview) • Supports: edge
Steam Engine (steam_engine)	enabling	68%	expert_inference	Steam Engine provides a capability that enables this technology without being the only possible path.	In Pursuit Of Power (Science Museum Group, 2012, museum) • Supports: edge
Mass Production (mass_production)	enabling	68%	expert_inference	Mass Production provides a capability that enables this technology without being the only possible path.	Mass production (Encyclopaedia Britannica, 2026, textbook) • Supports: edge

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