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What Is The Use And Performance Of Monel?
Jul 12, 2018

Corrosion resistance

The alloy has glorious corrosion resistance in atomic number 9 gas, acid, vitriol, acid and their derivatives. Acid medium: M400 is corrosion resistant in vitriol with a level of under eighty fifth. M400 is one amongst the few materials which will stand up to little or no acid. Water corrosion: M400 alloy has glorious corrosion resistance in most water corrosion conditions, and roughness corrosion and stress corrosion area unit seldom found. Corrosion rate is a smaller amount than zero.025mm/a. heat corrosion: the best temperature of M400 continuous operation in air usually, at concerning 600 ° C, in heat steam, the corrosion rate is a smaller amount than zero.026 mm / a. Ammonia: thanks to its high nickel content, Monel four hundred alloy will stand up to corrosion below anhydrous ammonia and ammoniation conditions below 585 °C.

Generally, the corrosion resistance of Monel K500 in primary solid solution state is essentially an equivalent as that of Monel four hundred alloy. Therefore, the corrosion resistance information of Monel four hundred will be applied to Monel K500 alloy. thanks to the low corrosion rate of the alloy in flowing H2O and also the high strength of the alloy, the alloy is especially appropriate for the manufacture of pump shafts proof against H2O corrosion.

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