In 2011, the import and export of China's machine tool industry hit a record high. The cumulative import volume for the whole year was 20.29 billion U.S. dollars, an increase of 29.3% year-on-year, of which imported metal processing machines accounted for 13.24 billion U.S. dollars, accounting for 65.3%, an increase of 40.6% year-on-year. Japan ranks first in the country of import of metal processing machine tools in China, accounting for 40.6% of the total imports of metal processing machine tools. Germany, Taiwan, and South Korea ranked second to fourth. Four countries and regions together accounted for 79.5% of total imports. In 2011, total industry-wide exports reached US$8.90 billion, an increase of 26.4% year-on-year, of which exports of metal processing machines reached US$2.42 billion, an increase of 30.3% year-on-year. The United States and India are the major exporters of metal processing machines, with the two countries accounting for 15.5% of total exports.
The main features of molybdenum rods include high melting point, good thermal conductivity, low thermal expansion performance, good high temperature oxidation resistance, and high temperature strength.
Molybdenum can increase steel`s corrosion resistance in the acid-based solutions and liquid metals, thus improve its wear resistance, hardenability, weldability, and heat resistance. As an element which easy to form carbides, molybdenum can effectively avoid oxidation during steel making process, and it can be used alone or mix with other alloy element to achieve the best performance.
High temperature smelting additives
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