Jisho

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Noun
1. pig iron
Wikipedia definition
2. Pig ironPig iron is the intermediate product of smelting iron ore with a high-carbon fuel such as coke, usually with limestone as a flux. Charcoal and anthracite have also been used as fuel. Pig iron has a very high carbon content, typically 3.5–4.5%, which makes it very brittle and not useful directly as a material except for limited applications.
Read “Pig iron” on English Wikipedia
Read “銑鉄” on Japanese Wikipedia
Read “Pig iron” on DBpedia
Other forms
銑鉄 【ずくてつ】

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