... pig-iron ore process 生铁矿石炼钢法 pig-iron scrap process 生铁废钢炼钢法 pigeon hole 空穴(钢锭缩孔缺陷) ...
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pig iron scrap process 生铁废钢炼钢法
Since pig iron and scrap are cheap, and because there is no expensive refinement process, cast iron is a low cost material compared with steel.
由于生铁和废钢铁都便宜，又因为不需要昂贵的精炼过程，和钢相比铸铁是一种廉价材料。
This paper presents the process of getting the qualified molten iron through melting scrap, carburant and moderate cast pig iron, which offers a new way for producing ductile iron.
介绍了增碳剂在铁液中溶解的机理和目前主要采用的投入法和喷粉法增碳工艺。
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