Lork High Hardness DIN 2.4375 Monel K500 Nickel Based Alloy Plate for Sea Water Pump Shafts
Introduction
Super alloys contain many elements in different combinations so as to achieve a desired result. They have the ability to function at very high temperatures and under severe mechanical stress, and also where high surface stability is required. They have good creep and oxidation resistance. There are three groups of alloys, namely cobalt-based, nickel-based, and iron-based alloys.
Nickelvac K-500 is an age-hardenable version of Monel 400 alloy. It has high strength and sea water corrosion resistance. The following datasheet gives more details about Nickelvac K-500.
Chemical CompositionThe following table shows the chemical composition of Nickelvac K-500.
| Element | Content (%) |
|---|---|
| Nickel, Ni | 66 |
| Copper, Cu | 29 |
| Aluminum, Al | 2.7 |
| Iron, Fe | 1 |
| Manganese, Mn | 0.7 |
| Tungsten, W | 0.6 |
| Silicon, Si | 0.25 |
| Carbon, C | 0.1 |
| Sulfur, S | 0.01 |
The physical properties of Nickelvac K-500 are outlined in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 8.45 g/cm³ | 0.305 lb/in³ |
| Melting point | 1338°C | 2440°F |
The mechanical properties of Nickelvac K-500 are given in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 1000 MPa | 145000 psi |
| Yield strength (at strain 0.200%) | 655 MPa | 95000 psi |
| Elongation at break | 22% | 22% |
| Reduction of area | 40% | 40% |
| Hardness, Rockwell C | 27 | 27 |
Other designations that are equivalent to Nickelvac K-500 include:
AMS 4676
ASTM F467
ASTM F468
DIN 2.4375
MIL N-24549
QQ N286
Nickelvac K-500 is machined in the annealed condition.
FormingNickelvac K-500 can be formed using standard methods in the annealed condition.
WeldingNickelvac K-500 is welded using all conventional methods in the annealed condition. After this process, stress-relief annealing is performed for the finished weldment.
Heat TreatmentNickelvac K-500 is heat treated by annealing. It can also be precipitation-hardened by performing aging heat treatment.
ForgingNickelvac K-500 is forged at 1038 to 1149°C (1900 to 2100°F) followed by quenching in water.
Hot WorkingNickelvac K-500 is hot worked at 872 to 1149°C (1600 to 2100°F) followed by quenching in water. It should not be cooled below 872°C (1600°F).
Cold WorkingNickelvac K-500 can be cold worked using standard methods
AnnealingNickelvac K-500 is annealed at 1038°C (1900°F) followed by quenching in water.
AgingAnnealed or slightly cold-worked material is age-hardened at 608°C (1125°F ) for 16 h followed by cooling in a furnace. Severely cold-worked material is aged at 538°C (1000°F) for 6 h followed by cooling in a furnace.
ApplicationsSuper alloy Nickelvac K-500 is used in impellers, sea water pump shafts, and oil well industry for valve trim and other components.
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