Monel 400 and Monel K500
What is the difference between Monel 400 and Monel K500?
Monel K-500: This alloy is a high-strength variation of monel with small amounts of aluminum and titanium added to the basic formula. It has all the benefits of standard monel 400, but with increased hardness and strength through precipitation hardening heat treatment.
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Alloy 400 vs Alloy K-500 Chemical Composition
| Element | Alloy 400 | Alloy K-500 | Notes |
|---|---|---|---|
| S (Sulfur) | ≤ 0.024% | ≤ 0.010% | |
| Si (Silicon) | ≤ 0.50% | ≤ 0.50% | |
| C (Carbon) | ≤ 0.30% | ≤ 0.18% | |
| Mn (Manganese) | ≤ 2.00% | ≤ 1.50% | |
| Fe (Iron) | ≤ 2.5% | ≤ 2.0% | |
| Al (Aluminum) | - | 2.30% - 3.15% | Distinctive to K-500 |
| Ti (Titanium) | - | 0.35% - 0.85% | Distinctive to K-500 |
| Cu (Copper) | 28.0% - 34.0% | 27.0% - 33.0% | (See Note 1 below) |
| Ni (Nickel) | ≥ 63.0% | ≥ 63.0% |
Monel 400 Melting Point, Density and Tensile Strength
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation | |
|---|---|---|---|---|---|
| Monel 400 | 8.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 35000 , MPa – 240 | 40 % |
Monel K500 Melting Point, Density and Tensile Strength
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation | |
|---|---|---|---|---|---|
| Monel K500 | 8.44 g/cm3 | 1350 °C (2460 °F) | Psi – 160000 , MPa – 1100 | Psi – 115000 , MPa – 790 | 20 % |
| Monel 400 | Monel K-500 | |
|---|---|---|
| Density, g/cm³ | 8.80 | 8.44 |
| Density, lb/in.³ | 0.318 | 0.305 |
| Melting Range, °F | 2370-2460 | 2400-2460 |
| Melting Range, °C | 1300-1350 | 1315-1350 |
| Tension | 26.0 | 26.0 |
| Compression | 26.0 | |
| Torsion | 9.5 | 9.5 |
| Poisson's Ratio | 0.32 | 0.32(aged material) |
| Curie Temperature, °F | 70-120 | |
| Curie Temperature, °C | 21-49 |
Conclusion
Gnee Steel is a supplier of Monel 400 And Monel K500, with products covering tubes, pipes, plates, strips, plates, round bars, flat bars, forged billets, hexagons, wire and extrusions. We work with steel mills to provide customers with 625 alloy, and its products meet or exceed many leading industry standards, including ASTM, ASME, SAE, AMS, ISO, DIN, EN and BS standards.
Gnee Steel stocks and sells Monel 400 And Monel K500 tubes, pipes, plates, strips, plates, round bars, flat bars, forged billets, hexagons, wire and extrusions. You are welcome to contact us for a quote at any time at ss@gneesteel.com
