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研制成功的M7为耐高温、抗氧化腐蚀和耐磨性能俱佳的新型铸钢材料。用M7制造宝钢高炉炉喉护板,运行安全可靠,单耗产量等各项指标达到日本同类产品水平。
The successful development of the M7 is a new cast steel with high temperature resistance, corrosion resistance and wear resistance. M7 to create Baosteel furnace throat guards, safe and reliable operation, consumption and other indicators of production reached the level of similar products in Japan.