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Steel casting refractory, sliding nozzle device plate and method of producing steel casting refractory
Steel casting refractory, sliding nozzle device plate and method of producing steel casting refractory
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机译:铸钢耐火材料,滑动喷嘴装置板和生产铸钢耐火材料的方法
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摘要
The problem of the present invention is to suppress destruction of a refractory which contains a metal aluminum. The refractory of the present invention is characterized by that the refractory is a refractory for steel casting which includes a refractory material containing a free carbon in the range of 1 to 10% by mass, both inclusive, a metal aluminum in the range of 1 to 15% by mass, both inclusive, and a metal oxide in a balance; and the refractory for steel casting satisfies Equation 1, provided that a metal aluminum content in the refractory is designated by Al% by mass, an apparent porosity thereof is designated by P%, and a bulk density thereof is designated by D. 0.31 × A 1 ‰¤ P ˆ’ 4 / D
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机译:本发明的问题是抑制包含金属铝的耐火材料的破坏。本发明的耐火材料的特征在于,该耐火材料是用于钢铸件的耐火材料,其包括含有1至10质量%(包括两个端点)的游离碳(包括两个端点)的金属材料的耐火材料。 15质量%(含两者),其余为金属氧化物;铸钢用耐火材料满足Al的条件是,将耐火材料中的金属铝含量设为Al质量%,将表观气孔率设为P%,将堆积密度设为D。0.31×A 1‰¤P ˆ'4 / D
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