Frying Steel and Extremely Fine Steel Technology

Frying Steel and Extremely Fine Steel Technology

Iron casting technology

Frying steel is to heat the pig iron to a semi-liquid, semi-solid state (ie, molten state), and then stir. Decarbonization is performed using oxygen in air or iron ore fines to obtain iron or steel technology. Extremely fine steel is steel fried and forged repeatedly using fried steel as raw material. From the analysis of unearthed cultural relics, frying Steel and extremely fine steel have been widely used in the early Eastern Han Dynasty at the latest. This steelmaking technology has greatly improved the quality of iron and promoted the development of social production.

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Eastern Han Dynasty

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Nodular cast iron

Production method

Skills

Weapons and tools