Description Of Monel 400
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Monel 400 month corrosion resistant alloy with the largest amount, the most versatility and excellent comprehensive performance. This alloy has the following properties in oxyfluoride and first gas media: it has excellent performance and excellent corrosion resistance to hot concentrated liquid. Zhou Shi is also resistant to the magic corrosion of neutral solutions, water, sea water, and atmospheric organic compounds. An important feature of this alloy is that it generally does not produce stress corrosion cracking and has good machinability. |
Monel 400 application areas
Monel400 alloy is a versatile material that can be used in many industrial fields:
- 1 Seamless water pipes and steam pipes in power plants
- 2. Seawater exchanger and evaporator
- 3. Sulfuric acid and hydrochloric acid environment
- 4. Crude oil distillation
- 5. Use the pump shaft and propeller of the equipment in seawater
- 6. Nuclear industry equipment for monel machining uranium refining and isotope separation 7. Manufacturing pumps and valves for hydrochloric acid production equipment
Monel400 executive standard
ASTM B127 / ASME SB-127 ASTM B163 / ASME SB-163 ASTM B165 / ASME SB-165
Monel 400 (UNS N04400 / W.Nr.2.4360)
Monel 400 Chemical CompositionWt.%
Alloy% Nickel Ni Copper Cu Iron Fe Carbon C Manganese Mn Silicon Si Sulfur P
Monel400 minimum MIN 63 28—–
MAX-34 2.5 0.3 2 0.5 0.024
Monel 400 Physical Constants
Density g / cm3 8.83
Melting point 1300-1390
Monel 400 Corrosion Resistance
Monel400 alloy has excellent corrosion resistance in fluorine gas, hydrochloric acid, sulfuric acid, hydrofluoric acid and their source organisms. At the same time, it is more corrosion-resistant in sea water than the base alloy. Monel400 is corrosion resistant in sulfuric acid with a concentration of less than 85%. Monel400
It is resistant to water corrosion of very few important materials in hydrofluoric acid: Monel400 alloy not only has excellent corrosion resistance under most water corrosion conditions, but also rarely found porosity, stress magic corrosion, etc. The corrosion rate is less than 0.025 mm / a. High temperature corrosion: The maximum temperature of Monel400 working continuously in the air is generally about 600C. In high temperature Jie steam, the magic corrosion speed is less than 0.026mm / a. Due to the high nickel content of Monel400 alloy, it can withstand water below 585C Magic eclipse under ammonia and ammoniation conditions.
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Link to this article：What Is Monel 400
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