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Eaton Alloys PTE LTD. was established in 2011 (as Eaton Alloys Limited) and has grown consistently over this time to become a specialized supplier for specialty metals widely used in oil a

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Singapore

Add.: 139 Bedok North Avenue 3, #10-188, Singapore 460139
Tel: 0065 9664 4411
Email:tonytay@eatonalloys.com

Web:www.eatonalloys.com

China

Add.: 489# Guanghua Dong 3rd Road, Chengdu, China, 610091
Tel: 0086 28 81703462
Email: sales@eatonalloys.com
Web: www.eatonalloys.com


K500

K500

Monel® K500 is a nickel-copper alloy that is sought after for its high mechanical and corrosion-resistant properties as well as its ability to work at high temperatures. It is often found in marine, and oil & gas applications for its corrosion resistance and high-strength properties, it is also used in aircraft engines for its temperature resistance. While being made out of roughly two-thirds nickel and one-third copper, Monel K500 also has small amounts of aluminum, iron, manganese, and even smaller amounts of other elements. It is the specific combination of these elements which gives Monel K500 its properties.

Chemical Composition (weight %)
Ni+Co 63.0 min
Cu 27-33 
Fe 2.0 max
Ti 0.35-0.85
Al 2.3-3.15
Mn 1.5 max
C 0.18 max
Si 0.5 max
Zn 0.02 max
P 0.02 max
S 0.015 max
Pb 0.006 max
Sn 0.006 max

Mechanical Properties
Properties
Rod and Bar
Condition
Hot-Finished, Aged
Condition
Hot-Finished, Annealed
Tensile Strength 140-190ksi 90-110ksi
Yield Strength 100-150ksi 40-60ksi
Elongation  30-20% 45-25%
Hardness 27-38HRC 75-90HRB

Application:

Chemical industry (for valve and pump components).
Blades and scrapers used in paper production.
Centrifugal pumps in the marine industry.
Pump shafts, instruments, and impellers in the oil & gas industry.
Oil well drill collars.
Electronic components and sensors.
 
Monel K500 has a machinability difficulty rating of 75%. This means it is moderate/difficult to machine. This is because it is specifically a wear-resistant alloy. Although this alloy is not easy to machine it can still be machined with regular machining tools to a good standard. Monel K500 has a high shear strength which results in a lot of heat generation during machining. This heating can lead to tooling welding itself to the workpiece.
 
The advantages of using Monel K500 over other materials stem from the properties it possesses. These properties include:
 
Corrosion Resistance: Monel K500 is highly corrosion-resistant, however, it may be susceptible to corrosion in slow-moving or stagnant salt water. It is also at risk of stress corrosion cracking.
High Strength: Monel K500 has very high strength, and it retains its strength even at high temperatures.
Temperature Resistance: Monel K500’s temperature resistance allows it to be used in the most demanding environments such as aircraft engines.
 
Monel K500 VS Monel 400

Both Monel 400 and Monel K500 are part of a family of nickel-copper alloys. Both materials share a lot of similarities but are also distinctly different. Monel K500 is a nickel-copper alloy with the addition of aluminum and titanium which gives it corrosion resistance and strength properties. Whereas Monel 400 is a nickel-copper alloy without the addition of these two elements, which gives it corrosion resistance and workability characteristics. K500 is more corrosion-resistant than Monel 400 due to the presence of aluminum; K500 is also stronger due to the presence of titanium.