一年来稀土在钢中应用及研究工作有了新的发展。稀土在钢中作用规律比以往更加清楚,稀土加入方法有了新的突破,有22个含稀土钢种列入生产,79年产量达到6～7万吨。(一)含稀土钢的研制和推广1.16MnR、09MnR名牌产品初步恢复生产。过去受用户欢迎但因工艺问题未解决而处 In the past year, the application of rare earth in steel and research work has been a new development. Rare earth in the role of steel more clearly than ever before, rare earth accession method has made new breakthroughs, 22 rare earth steel included in the production, 79 annual output reached 6 to 70,000 tons. (A) Development and promotion of rare earth-containing steel 1.16MnR, 09MnR brand-name products initially resumed production. In the past welcomed by the users but not because of the technical problems