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Ammonium Perrhenate

AMMONIUM PERRHENATE   

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In our country it often used alloys of tungsten with 5, 20 or 27% of rhenium (WRe-5, WRe-20, WRe-27ВП) and molybdenum – with 8, 20 or 47% of rhenium, and olso molybdenum-tungsten-rhenium alloys.

Alloys of Re with W, Mo, Ta are popular with it's hot-resistance.

 

Standard 3518 РК 38920602-1-02

 

Grade

Mass fraction, max,  %

Re, min

Ca

Mg

S

Al

 K

Mn

Fe

Ni

Cu

Mo

Si

P

Na

АР-0

69.0

0.001

0.0002

0.002

0.0005

0.005

0.0001

0.0005

0.0002

0.00005

0.0005

0.001

0.001

0.001

АР-1

69.0

0.003

0.002

0.005

0.002

0.01

0.002

0.001

0.002

0.001

0.01

0.002

0.001

0.002

 

    This product applys for production of electronic device, thermocouples for measurement of temperatures till 2500 С, electrocontacts and details of precision instruments, aerospace engineering. It also used as effective catalystes under oil cracking. These alloys are high-tensile, ductile and technological, good in welding.  Products made of these alloys holds it's shape and properties in difficult application conditions. Rhenium is used on ocean vessels and planes, spacecrafts and polar expeditions.It is very important material for electronic and electrotechnical industry. Rhenium is the material for filaments, meshes, cathode heaters. Details of rhenium alloys are in electron-beam tubes, receiving and generating valves, in thermionic generators, in mass spectrometers and other devices.

 

 

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