Monel 400 (N04400/W.Nr.2.4360 UNS)
Chemical composition of Monel 400:
alloy
%
nickel
copper
iron
carbon
manganese
silicon
sulfur
Monel400
Minimum
Sixty-three
Twenty-eight
Maximum
Thirty-four
Two point five
Zero point three
Two
Zero point five
Zero point zero two four
Physical properties of Monel 400:
density
8.83 g/cm3
melting point
1300-1390 C
The minimum value of the mechanical properties of Monel 400 alloy at room temperature:
Alloys and states
tensile strength
N/mm2 Rm
Yield strength
RP0.2N/mm2
Elongation rate
A5%
Monel400
Four hundred and eighty
One hundred and seventy
Thirty-five
This alloy has the following characteristics:
Monel400 is one of the most widely used and widely used corrosion resistant alloys. This alloy has excellent corrosion resistance in hydrofluoric acid and fluorine gas medium, has excellent corrosion resistance to hot concentrated alkaline solution. At the same time, it is also resistant to the corrosion of neutral solution, water, sea water, air, organic compounds and so on. One of the important characteristics of the alloy is that it does not generate stress corrosion cracking, and its cutting performance is good.
Metallographic structure of Monel 400:
The microstructure of Monel400 alloy is a single phase solid solution with high strength.
Corrosion resistance of Monel 400:
Monel400 alloy in fluorine gas, hydrochloric acid, sulfuric acid, hydrofluoric acid and their derivatives have very excellent corrosion resistance. At the same time, the corrosion resistance of copper base alloy is more than that of the copper base alloy. Acid medium: Monel400 in the concentration of less than 85% of the sulfuric acid are corrosion resistant. Monel400 is resistant to hydrofluoric acid is one of the most important material is very few. Water corrosion: Monel400 alloy in the majority of water corrosion, not only excellent corrosion resistance, corrosion, stress corrosion, etc. also rarely found, the corrosion rate is less than 0.025mm/a. High temperature corrosion: Monel400 in the air in a continuous work of the highest temperature is generally about 600 degrees, in the high temperature steam, the corrosion rate of less than 0.026mm/a. Ammonia: due to nickel content of Monel400 alloy with high corrosion resistance, so the 585 DEG C and ammoniated under anhydrous ammonia.
Monel 400 applications in the field of application:
Monel400 alloy is a versatile material, which can be used in many industrial fields:
Seamless water pipe, steam pipe in 1 power plant
2 sea water switches and evaporator
3 sulfuric acid and hydrochloric acid environment
4 crude oil distillation
5 pump shaft and propeller in seawater
6 nuclear industry for the manufacture of uranium extraction and isotope separation of equipment
7 manufacturing and production of hydrochloric acid equipment used in the pump and