spiegel
/'spi:gl/ Cách viết khác : (spiegeleisen) /'spiglaizm/
Definition
Noun: - A type of pig iron containing manganese: Specifically, spiegel is a form of pig iron (crude iron from a blast furnace) that has a significant manganese content. It is used in steelmaking primarily as a deoxidizing agent (to remove oxygen) and to increase the manganese content of the final steel.
Usage Examples
- Noun:
- The foundry added spiegel to the molten steel to improve its quality.
- Spiegel is valued for its dual function as a deoxidizer and a manganese additive.
Advanced Usage
- Technical/Industrial Context: The term is almost exclusively used in metallurgy and steel production. It is a specific material term rather than a common word.
- The precise amount of spiegel required depends on the desired steel grade.
Variants and Related Words
- Spiegeleisen (noun): This is a synonym and the more formal, full name for the same material.
- Spiegeleisen is another term for spiegel iron.
Synonyms
- Ferromanganese (noun): While not identical, ferromanganese is a related alloy also used to add manganese to steel. Spiegel typically has a lower manganese content than standard ferromanganese.
- Manganese pig iron (noun): A descriptive synonym.
Notes on Meaning
This word has a single, highly specialized meaning within the field of metallurgy. It does not have general, idiomatic, or phrasal verb uses.
Noun
-
pig iron containing manganese; used as a deoxidizing agent and to raise the manganese content in making steel
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