MONEL400 Alloy Sheet
Product name: MONEL400\UNS N04400
International generic: MonEL alloy 400, UNS N04400, NiCu30Fe W-Nr: 2.4360, Nicorros-alloy400, ATI400, NAS NW400
The implementation of standards: ASTM B127/ASME SB-127, ASTM B163/ASME SB-163, ASTM B165/ASME SB-165
The main component: C ≤0.30, Ni ≥ 63.0, Si ≤0.5, S≤0.024, Fe ≤2.5, Al ≤2.0, Cu = 28.0 ~34.0
Physical properties: density: 8.9g/cm3, melting point: 1300-1350 degrees, magnetic: None

Mechanical properties: tensile strength: σb ≥ 480Mpa, yield strengthσb ≥ 195Mpa: longation: δ≥ 35%, hardness: HB135-179
The corrosion of the medium: sulfuric acid, phosphoric acid, carbon corrosion resistance is very good. Especially, the corrosion resistance of hydrogen chloride is very good, and it also has good corrosion resistance to hot concentrated alkali. Monel400 alloys have excellent corrosion resistance in fluorine gas, hydrochloric acid, sulfuric acid, hydrofluoric acid and their derivatives. They are also more corrosion resistant than copper based alloys in seawater.

Monel400 is a nickel copper alloy based on deformation processing. It has good corrosion resistance and chemical resistance to seawater, and has good resistance to chloride stress corrosion cracking. The alloy is one of the few alloys that can be used in fluoride. It has excellent resistance to oxide stress such as corrosion in hydrofluoric acid and fluorine gas medium, such as seawater and brine

At moderate concentrations of alkaline and saline solution, Monel 400 also has very good corrosion resistance. In a relatively cold alkaline environment, the alloy is used in a weak acid, such as sulfur and hydrogen fluoride.

Acid medium: Monel400 is corrosion resistant in sulfuric acid with a concentration of less than 85%. Monel400 is resistant to hydrofluoric acid, which is one of the most important materials.

Water corrosion: in most water corrosion circumstances, Monel400 alloy not only has excellent corrosion resistance and pitting corrosion, stress corrosion, etc. are rarely found, that corrosion rate of less than 0.025mm/a.

High temperature corrosion: the maximum temperature of Monel400 working continuously in air is about 600 degrees, and the corrosion speed is less than 0.026mm/a. in high temperature steam. Ammonia: due to nickel content of Monel400 alloy has high corrosion resistance, so it has good resistance for anhydrous ammonia and ammoniation conditions below 585 degrees.

Applications: sulfuric acid and hydrofluoric acid equipment, marine heat exchangers, desalination equipment, salt production equipment, marine and chemical processing equipment, propeller shaft and pump, gasoline and water tanks.

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