Status of Applications of Rare Earth Metals to Precision Alloys

1.IntroductionRare earth resources in China are the most abundant with more than twenty factories pro-ducing rare earths in the country,the production capability ranks second in the world.At present,steels added with rare earths have production scale in China's metallurgical indus-try,such as steels for gears,bearings,springs,bridges,automobile beams,ploughshares heating al-