铸造材料

回炉料碳的烧损率怎么计算 、?

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回炉料碳的烧损率怎么计算 ?
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阳光铝材厂6份烧损为1.84%,5月份烧损1.73%。
铝材回炉烧损率受到炉口温度高低(温度高容易氧化)、扒渣快慢(快的炉渣中含较多铝)等因素影响.
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下面的数据仅供参考( 对应的炉子是:酸性中频感应炉 )。 C:5-12%,si:5-10%或增加5%,温度越高(〉1500)C烧损严重,si增加较多。 Mn:5-15%,s,p不变实例:c:烧损11.3%,si增加:5.9%,Mn烧损14.9%,Cr烧损:3.94%,s,p不变。
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