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Properties of commonly used molybdenum alloys

TZM alloy has excellent high strength and comprehensive performance, is the most widely used molybdenum alloy. In the United States, TZM alloy is used to make the turbine disk of the engine, which accounts for 15% of the total amount of molybdenum. China has produced no less than 22 brands of molybdenum materials including TZM molybdenum alloy. In the early 1990s, China's output of molybdenum and molybdenum products has reached nearly 200 tons.

The high mechanical properties of TZM and TZC molybdenum alloys are better than pure molybdenum alloys, which are widely used in the manufacture of high workmen, molds and various structural parts. China as early as the 20th century has successfully made them into a variety of seamless steel pipe thermal perforation head. The sintered molybdenum top produced by powder metallurgy technology can reduce the raw material consumption (50% of the as-cast state) and increase the average service life by 1.5 ~ 2 times.

The seamless tube made of molybdenum rhenium alloy (containing 50%Re) has excellent performance and can be used at the temperature close to its melting point, as the support, ring, gate and other parts of thermocouple sleeve and cathode of electron tube.

Molybdenum and molybdenum alloy has high strength, good conductivity, thermal conductivity and low thermal expansion coefficient (similar to electronic work glass), also has the advantages of easy processing tungsten, therefore produced by conventional processing methods of plate, belt, foil, tube, rod, line and section in the tube (gate and anode), electric light source (support) parts, metal machining tools (die casting and extrusion die, forging die, punch head, liquid metal filter screen) is widely used in the component and turbine disc, etc.
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