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Help CenterGB3875-83 Tungsten Plate W1 W2
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ASTM B760 Tungsten Plate,Sheet,and Foil
the tungsten high melting point (3400 °C), high-density (19.3 g/cm3), sound velocity (4.03 km/s), good ductility characteristics of pure metal state and tungsten alloy state is widely used in modern technology, alloy is the main is a state of alloy steel, with tungsten carbide based hard alloy, and the strong heat resistant alloy alloy.
Tungsten sheet is widely used in rotating anode of X-ray tube, heating element in high-temperature furnace, reflective shield, cover of the sapphire growth furnace, heat tape, heat insulation screen, vacuum coating equipment, high-temperature resisting boat.
1. Chemical Compositions
Grade |
Tungsten Content |
Contents of Impurity Elements |
|
Total Content |
Content of Each Element |
||
WAL1,WAL2 |
≥99.95% |
≤ 0.05% |
≤ 0.01% |
W1 |
≥99.95% |
≤0.05% |
≤0.01% |
W2 |
≥99.92% |
≤0.08% |
≤0.01 % |
Note: potassium is not counted in the impurity content | |||
2.Process for tungsten sheet:
APT→→powder→→reduction suppression (sintering/car processing)→→products→→rooted (spin forging/rolling)→→stretching→→sheet
3. Size
brand |
specification |
||
thickness(mm) |
width(mm) |
length(mm) |
|
Tungsten plates |
2~15 |
<350 |
<600 |
1~2 |
<500 |
<1000 |
|
0.5~1 |
<550 |
<1000 |
|
0.3~0.5 |
<400 |
<1000 |
|
0.2~0.3 |
<350 |
<800 |
|
4.Application:
* Manufacturing of electric light sources and electric vacuum parts;
* Used as high-temperature heating bodies and high-temperature structural parts;
* Manufacturing of electric contact points;
* Used as electrodes in the rare earth industry.
5. Availability forms
* Alkali,acid washing the surface
* Annealing .
* Polishing
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