| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ramming material for an induction furnace that has combinatory properties of heat resistance, corrosion resistance and thermal shock resistance satisfactory for actual using in order to melt both of cast steel and cast iron in the same furnace. <P>SOLUTION: The ramming material for the induction furnace comprises of 5-25 wt.% of andalusite, 3-25 wt.% of zircon, 5-25 wt.% of alumina fine powder with Al<SB>2</SB>O<SB>3</SB>purity of 98% or more and the balance alumina powder with Al<SB>2</SB>O<SB>3</SB>purity of 95% or more. <P>COPYRIGHT: (C)2004,JPO |
