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METHOD FOR PRODUCING DIE-CAST PRODUCT OF SPHERICAL GRAPHITIC CAST IRON INCLUDING ULTRAFINE SPHERICAL GRAPHITE, AND SPHEROIDIZING TREATMENT AGENT
METHOD FOR PRODUCING DIE-CAST PRODUCT OF SPHERICAL GRAPHITIC CAST IRON INCLUDING ULTRAFINE SPHERICAL GRAPHITE, AND SPHEROIDIZING TREATMENT AGENT
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机译:含超细球形石墨的球墨铸铁压铸产品的生产方法及加脂处理剂
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摘要
The present invention provides a die-cast product producing method and a spheroidizing agent of a spherical graphite cast iron with ultrafine spherical graphite by simple method and good reproducibility.;The present invention provides a sand mold producing method and a spheroidizing agent capable of producing an ultrafine spherical graphite cast iron with good reproducibility even in a sand mold thin walled spherical graphite cast iron, which has solidification cooling conditions equivalent to those of a metal mold.;The present invention provides a producing method of a die-cast product of a spherical graphite cast iron using a spheroidizing agent, in which a C amount is 0.5 mass % or more, a total nitrogen amount N is 150 ppm (by mass) or less, and a nitrogen amount generated during melting is 15 ppm (by mass) or less, in a producing method of a sand mold cast product of a thin walled spherical graphite cast iron having a melting process, a spheroidizing process, an inoculation process, and a casting process.
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