By using solidification and melted slag theory, series mold powders of low alloy steel, plain carbon steel and high carbon steel, were developed and used in production successfully.
运用凝固理论和熔渣理论，研制开发了适用于低合金钢、普碳钢、高碳钢的系列保护渣并成功地应用于连铸生产。
By using solidification and melted slag theory, series mold powders of low alloy steel, plain carbon steel and high carbon steel, were developed and used in production successfully.
运用凝固理论和熔渣理论，研制开发了适用于低合金钢、普碳钢、高碳钢的系列保护渣并成功地应用于连铸生产。
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