Monel 400, also known as Alloy 400, with the UNS designation N04400 and W.Nr. 2.4360, is a nickel-copper alloy known for its excellent corrosion resistance, particularly in marine environments. Comprised of approximately 67% nickel and 23% copper, Monel 400 also exhibits good mechanical properties over a wide range of temperatures. This alloy is commonly used in applications such as marine engineering, chemical processing, and equipment for the oil and gas industry due to its resistance to corrosive environments and high strength. Additionally, Monel 400 is known for its ability to withstand high-velocity seawater and is often used in seawater valves, pump shafts, and marine fixtures.
Whatsapp:
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sales@cocessalloys.comChemical Composition
|
Nickel (Ni) |
63% Minimum |
|
Copper (Cu) |
28-34% |
|
Iron (Fe) |
2.5% Maximum |
|
Manganese (Mn) |
2% Maximum |
|
Carbon (C) |
0.3% Maximum |
|
Silicon (Si) |
0.5% Maximum |
|
Sulfur (S) |
0.024% Maximum |
Physical Properties
|
Density |
lb/in3 |
0.318 |
|
g/cm3 |
8.80 |
|
|
Melting Range |
°F |
2370-2460 |
|
°C |
1300-1350 |
|
|
Modulus of Elasticity |
103 ksi |
|
|
Tension |
26.0 |
|
|
Compression |
26.0 |
|
|
Torsion |
9.5 |
|
|
Poisson’s Ratio |
0.32 |
|
|
Curie Temperature |
°F |
70-120 |
|
°C |
21-49 |
Mechanical Properties
|
Temperature |
Yield strength |
Tensile strength |
|||
|
Rp 0.2 |
Rm |
||||
|
°C |
°F |
MPa |
ksi |
MPa |
ksi |
|
20 |
68 |
175 |
25.4 |
450 |
63.5 |
Monel 400 is commonly used in a variety of applications due to its excellent corrosion resistance and high strength. Some typical applications of Monel 400 include:
1. Marine Engineering: Monel 400 is often used in marine engineering for components such as propeller shafts, fasteners, and seawater valves due to its resistance to saltwater corrosion.
2. Chemical Processing: It is utilized in chemical processing equipment such as pumps, valves, and heat exchangers due to its resistance to a wide range of corrosive environments, including acids and alkalies.
3. Oil and Gas Industry: Monel 400 is employed in the oil and gas industry for applications such as pump shafts, oil well tools, and springs due to its resistance to hydrocarbon compounds and non-oxidizing chloride solutions.
4. Aerospace: It is used in aerospace applications for components such as aircraft frames, landing gear, and fasteners due to its high strength and resistance to corrosion in high-temperature and high-stress environments.
5. Chemical Industry: Monel 400 finds use in the chemical industry for processing equipment, storage tanks, and piping systems due to its resistance to a wide range of corrosive chemicals.
6. Electrical and Electronic Components: It is utilized in electrical and electronic components such as sensors and electronic packaging due to its good electrical conductivity and resistance to corrosion.
Specifications for Monel 400 include the following:
|
Rod and bar |
Seamless Pipe and Tube |
Welded Pipe and Tube |
Plate, Sheet & Strip |
Fittings |
Forgings |
|
ASTM B 164/ ASME SB 164 |
ASTM B 165/ ASME SB 165, ASTM B 163/ ASME SB163 |
ASTM B 725/ ASME SB 725, ASTM B 730/ ASME SB 730 |
ASTM B 127/ ASME SB 127 |
ASTM B 366/ ASME SB 366 |
ASTM B 564/ ASME SB 564 |
Standard product forms of Monel 400 are pipe, tube, sheet, strip, plate, round bar, flat bar, forging stock, hexagon and wire. The products are available in a wide variety of sizes. Please contact us at sales@cocessalloys.com for full information.
