A popular precipitation-hardenable nickel-copper alloy, Monel K-500 is known to combine the incredible corrosion resistant feature of Monel 400 with the additional advantage of superior hardness and strength. These amplified characteristics of this nickel-copper alloy, as well as its high hardness and strength, is majorly obtained by adding titanium and aluminum to it and by the thermal processing used due to effect precipitation. Alloy K-500 also boasts of having about double the tensile strength and the three times the yield strength in comparison to alloy 400. This nickel-copper alloy can be further strengthened with the help of cold working before the process of precipitation hardening. While the strength of this material is maintained at 1200° F, it also is able to remain sturdy and ductile in temperatures down to 400° F.
Key features of Monel K-500
- High resistance to high velocity sea water
- Commendable resistance to a sour-gas environment
- Incredible mechanical properties up to 480° C from sub-zero temperatures
- Non-magnetic alloy
- Great corrosion resistance in an expansive range of chemical and marine environments, right from salts and alkalis to pure water and non-oxidizing mineral acids
- Remarkably good dimensional stability
Monel K500 Price Per Kg
|Monel K500 Price||Origin||Price in INR|
|Price in USD|
|Price in Euro|
|Alloy K500 Price in India||Indian||Rs 1600/-||$24||€20|
|Monel K500 Price in Japan||Japanese||Rs 1790/-||$27||€23|
|Alloy K500 Price in UK / Europe||European||Rs 1900/-||$28||€24|
|Monel K500 Price in USA||USA||Rs 2000/-||$30||€25|
Apart from the fact that Alloy K-500 has a superior tendency toward stress-corrosion cracking in certain environments, the corrosion resistance of this nickel alloy is almost the same as that of alloy 400. Monel K-500 is known to be resistant to a sour-gas environment as well. The high strength of this material, as well as its low corrosion rates in high velocity sea water, makes it perfect for use for the shafts of centrifugal pumps in marine service. Fouling may take place followed by pitting in stagnant or slow-moving sea water, but this pitting typically slows down after quite a rapid initial attack.
Hot Forming Monel K-500
When it comes to achieving hot malleability, ensuring proper temperature during the process of deformation is utmost importance. When hot working Monel K-500, the maximum recommended heating temperature is 2100°F. The metal should ideally be charged into a hot furnace, and subsequently withdrawn when heated uniformly. Prolonged soaking at this temperature level can prove to be harmful. In case the material is subjected to prolonged soaking due to some delay, the temperature must be reduced to or held at 1900°F till just before ready to work, and subsequently brought up to 2100°F. The piece must be withdrawn after it has been heated uniformly. The work should ideally be water-quenched and removed from the furnace in the scenario of a long delay. While the typical hot-working temperature range is 1600° to 2100°, for heavy work the temperature range of 1900° and 2100°F should be used.
Cold Forming Monel K-500
Monel Alloy K-500 can be cold-worked by standard procedures in the annealed conditions. Even though the alloy needs a considerable level of power to form, it tends to have incre dible ductility.
K500 Monel Alloy Chemical Composition
|63.0 min||0.25 max||2.3 – 3.15||1.5 max||0.5 max||05 – 2||27.0 – 33.0||0.010 max||0.35 – 0.85||–|
Monel Alloy K500 Mechanical Properties
|Density||Melting Point||Yield Strength (0.2%Offset)||Tensile Strength||Elongation|
|8.44 g/cm3||1350 °C (2460 °F)||Psi – 1,15,000 , MPa – 790||Psi – 1,60,000 , MPa – 1100||20 %|
Monel K500 Melting Point
Monel K-500 is commonly used for the purpose of making marine propeller shafts, oil well tools, fasteners, and pump shafts. The major applications of this nickel alloy include the chemical industry, oil, and gas industry, as well as paper production.
Monel K500 Equivalent
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