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400 corrosion resistant alloy You are here: Home — 400 Corrosion Resistant Alloy

Monel 400 (American standard UNS N04400 / German standard W.Nr.2.4360)
Chemical composition of Monel 400:
alloy
%
nickel
copper
iron
carbon
manganese
silicon
sulfur
Monel400
Smallest
63
28
maximum
34
2.5
0.3
2
0.5
0.024
Physical properties of Monel 400:
density
8.83 g / cm3
Melting point
1300-1390 ℃
Monel 400 annealed state, mechanical properties of the alloy at room temperature
Alloys and states
Tensile strength σb (Mpa)
Yield strength σ0.2 (Mpa)
Elongation
A5%
hardness
Hv
Monel400
≥490
≥170
≥35
≤145
This alloy has the following characteristics:
Monel400 is a corrosion resistant alloy. This alloy has excellent corrosion resistance in hydrofluoric acid and fluorine gas medium, and also has excellent corrosion resistance to hot concentrated lye. At the same time, it is also resistant to corrosion by neutral solutions, water, sea water, the atmosphere, organic compounds and the like. An important feature of this alloy is that it generally does not produce stress corrosion cracking and has good cutting performance. Monel400 alloy has excellent corrosion resistance in fluorine gas, hydrochloric acid, sulfuric acid, hydrofluoric acid and their derivatives. It is also more corrosion resistant than copper-based alloys in seawater. Acid medium: Monel400 is corrosion resistant in sulfuric acid with a concentration of less than 85%. Monel400 is one of the very few important materials resistant to hydrofluoric acid. Water corrosion: In most water corrosion cases, Monel400 alloy not only has good corrosion resistance, but also rarely finds pitting corrosion and stress corrosion. The corrosion rate is less than 0.025mm / a. The maximum temperature of Monel400 for continuous operation in air is generally around 600 กใ C. In high-temperature steam, the corrosion rate is less than 0.026mm / a. Resistant to corrosion under anhydrous ammonia and ammoniated conditions below 585 กใ C
Metallographic structure of Monel 400: The structure of Monel400 alloy is a high-strength single-phase solid solution.
Application areas of Monel 400 are:
Monel400 alloy is a versatile material that can be used in many industrial fields:
1.Seamless water pipe and steam pipe in power plant feed water
2. Seawater exchanger and evaporator
3. Sulfuric acid and hydrochloric acid environment
4. Crude oil distillation
5. Pump shafts and propellers of equipment used in seawater
6. Equipment used by the nuclear industry to make uranium extraction and isotope separation
7. Pumps and valves used in equipment for manufacturing hydrochloric acid
8. Outer protective layer of corrosion-resistant cable
Varieties of products produced by our company:
Cold and hot plate, strip, wire, forged rod, hot rolled rod, machined product
Copyright ? 2013 Jiangsu Xinhua Alloy Co., Ltd. Copyright Statement Su ICP No. 14001587
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