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本文着重论述以小高炉生铁、土焦作原料,以稀土镁合金作球化剂,生产高韧性、符合ISO2531国际标准的离心铸造球铁管的工艺特点及主要工艺措施。
This article focuses on the process characteristics and main technical measures of centrifugal casting of ductile iron pipe with small blast furnace pig iron and soil coke as raw materials, rare earth magnesium alloy as nodulizer, high toughness and ISO2531 international standard.