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。

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Raw materials can increase the amount of scrap to reduce the amount of pig iron or no iron, pig iron effective to avoid the genetic influence on the casting.

原材料可增加废钢用量，减少生铁用量或不用生铁，有效避免生铁的遗传性对铸件的影响。

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Pig iron, scrap steel, forging steel, powdered ore (gold, copper and iron), scrap copper & aluminium, coke, scrap plastic, scrap paper, rubber.

生铁、废钢、金铜铁矿粉、废铜铝、焦碳、废塑料，废纸、橡胶。

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