MONEL® Alloy K-500 Product Introduction
MONEL® alloy K-500 is a precipitation-hardenable nickel-copper alloy known for its excellent corrosion resistance, high strength, and toughness. This comprehensive product introduction covers its chemical composition, mechanical properties, performance at different temperatures, industry applications, shapes, sizes, production standards, standards and corresponding grades in different countries, welding, machining, polishing, heat treatment, cold working, advantages and disadvantages of materials, and similar products.
Chemical Composition
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | 63.0-70.0 |
| Copper (Cu) | 27.0-33.0 |
| Aluminum (Al) | 2.30-3.15 |
| Titanium (Ti) | 0.35-0.85 |
| Iron (Fe) | 2.0 max |
| Manganese (Mn) | 1.5 max |
| Silicon (Si) | 0.5 max |
| Carbon (C) | 0.25 max |
| Sulfur (S) | 0.010 max |
MONEL® alloy K-500 maintains a high level of nickel and copper with significant additions of aluminum and titanium, which contribute to its exceptional strength and corrosion resistance.
Mechanical Properties
| Condition | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HRB) |
|---|---|---|---|---|
| Annealed | 690-850 | 275-550 | 20 min | 75 max |
| Aged (precipitation hardened) | 1100-1300 | 760-1000 | 10-20 | 27-38 HRC |
MONEL® alloy K-500 exhibits high tensile and yield strength, making it suitable for applications requiring robust mechanical properties.
Performance at Different Temperatures
| Temperature Range | Performance |
|---|---|
| Room Temperature | Excellent corrosion resistance, good mechanical properties |
| Elevated Temperatures (up to 400°C / 750°F) | Maintains strength and toughness |
| Cryogenic Temperatures | Retains ductility and toughness |
MONEL® alloy K-500 demonstrates consistent performance across a broad temperature spectrum, from cryogenic conditions to elevated temperatures.
Industry Applications
MONEL® alloy K-500 finds applications in various industries requiring corrosion resistance and high strength:
| Industry | Applications |
|---|---|
| Marine | Propeller and pump shafts, seawater valves |
| Oil & Gas | Springs, fasteners, downhole equipment |
| Chemical Processing | Pumps, valves, heat exchangers |
| Aerospace | Aircraft landing gear, helicopter rotor blades |
Its resilience in harsh environments makes it a preferred material in marine, oil and gas, chemical processing, and aerospace industries.
Shapes, Sizes, and Production Standards
Shapes and Sizes
| Form | Size Range |
|---|---|
| Sheets | Thickness: 0.5 mm – 3 mm |
| Plates | Thickness: 1 mm – 50 mm |
| Bars | Diameter: 6 mm – 100 mm |
| Pipes | OD: 6 mm – 500 mm |
| Tubes | OD: 6 mm – 300 mm |
Production Standards and Corresponding Grades
| Country | Standard | Corresponding Grade |
|---|---|---|
| United States | ASTM B865 | UNS N05500 |
| Germany | DIN 17752, DIN 17753 | 2.4375 |
| France | AFNOR NFM 87-310 | – |
| United Kingdom | BS 3076 | – |
| Japan | JIS NW 5500 | – |
| China | GB/T 12769 | – |
MONEL® alloy K-500 adheres to various international production standards, ensuring consistency and quality across different manufacturing processes.
Welding, Machining, Polishing, Heat Treatment, and Cold Working
| Process | Details |
|---|---|
| Welding | Welds with matching composition filler metals. Suitable methods include gas tungsten arc welding (GTAW) and gas metal arc welding (GMAW). |
| Machining | Requires sharp tools and proper cooling. Carbide tools are recommended for turning and milling operations. |
| Polishing | Achieves good surface finish with mechanical methods like buffing and polishing wheels. Chemical polishing is also effective. |
| Heat Treatment | Annealing at 870°C (1600°F) followed by water quenching improves ductility and removes residual stresses. |
| Cold Working | Can be cold worked to various degrees for shaping. Cold working increases strength and hardness. |
MONEL® alloy K-500 offers versatility in processing methods, facilitating its integration into complex engineering applications.
Advantages and Disadvantages
| Aspect | Advantages | Disadvantages |
|---|---|---|
| Advantages | Excellent corrosion resistance | Machining can be challenging |
| High strength and toughness | Limited availability in certain forms | |
| Good ductility and toughness | Relatively high cost compared to some alternatives | |
| Suitable for marine and chemical processing applications |
Similar Products
| Material Grade | Comparison |
|---|---|
| MONEL® alloy 400 | Lower strength and hardness, higher corrosion resistance in certain environments. |
Conclusion
MONEL® alloy K-500 stands out as a robust nickel-copper alloy renowned for its exceptional strength, corrosion resistance, and versatility across diverse industries. Its superior mechanical properties and resilience in corrosive environments make it an ideal choice for critical applications in marine, oil and gas, chemical processing, and aerospace sectors. Engineers and designers seeking a reliable material capable of withstanding demanding conditions can confidently rely on MONEL® alloy K-500 for optimal performance and longevity.
For further technical specifications and customized solutions, consulting with material suppliers and referencing specific product data sheets is recommended.