Anti-hydrogen brittleness and anti-sulphidation attack hydrocracking special electric thermo-couple
The special-purpose thermocouple capable of resisting hydrogen embrittlement and resisting sulphication attack for hydrocracking process is characterized by that the component composition of high-pressure flange and protection tube includes (by wt%) 15-20% of nickel, 2-10% of molybdenum, 2-8% of nio...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The special-purpose thermocouple capable of resisting hydrogen embrittlement and resisting sulphication attack for hydrocracking process is characterized by that the component composition of high-pressure flange and protection tube includes (by wt%) 15-20% of nickel, 2-10% of molybdenum, 2-8% of niobium, 1-10% of cobalt, 4-20% of aluminium, 20-40% of chromium, 2-6% of silicone and trace yttrium element. Said invention also provides the method for making said thermocouple. |
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