Copyright © 2015 Beijing Great Wall Co.,Ltd.
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Feature:
Low Specific Resistance / Relative fine grain size / Low ash content / Good mechanical & electrical & thermal properties / Ease of precise machining
:
Electrodes / Vacuum furnace / Heaters / Heat shields /Electronic tube anodes / Melting and sintering moulds for various metals
EXTRUDED | EGK 1 | EGK 2 | EGK 3 | EGK 4 |
---|---|---|---|---|
Bulk Density Min(g/cm3 ) | 1.72 | 1.72 | 1.60 | 1.60 |
MAX GRAIN SIZE (mm) | 0.8 | 2 | 0.8 | 2 |
Ash (PPM) | 3000 | 3000 | 3000 | 3000 |
ELECTRICAL RESISTVITY (μ.Ω.m) | ≤8 | ≤8 | ≤8 | ≤8.5 |
FLEXURAL STRENGTH (MPa) | 18 | 17 | 12 | 11 |
COMPRESSION STRENGTH (MPa) | 45 | 44 | 32 | 30 |
Note:
- Ash content of all grades can be purified to 50 PPM.
- Special property requirement specially produced.
- Density, mechanical strength and anticorrosion can be improved by further impregnation.
Size:
Rods | Diameter | Length |
---|---|---|
Size Range | 0-600mm | 0-2500mm |
Standard Size | 50/75/100/200/300/400/500mm | 1000/1800/2000mm |
Larger size specially pressed.
Smaller size further machined.
Machined parts done to drawings
Anticorrosion cover available(SiC Cover, Pitch Cover, etc)
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