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Carburant
Add time:2017-11-21
For casting, cast iron, cast steel, castings will have a requirement for carbon, then the carbon-increasing agent, as the name implies, is to increase the carbon content in molten iron. For example, in smelting, the commonly used burden is pig iron, scrap, and recharge. The carbon content of pig iron is high in pig iron. But the purchase price relative to scrap is higher than a section, so increase scrap input, reduce pig iron dosage, add carbon agent, can play a certain role in reducing the cost of castings.
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The lower one:Brief history and varieties of graphite electrodes