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.
Composition chimique
| Élément | Composition (%) |
|---|---|
| Nickel (Ni) | 63.0-70.0 |
| Cuivre | 27.0-33.0 |
| Aluminium (Al) | 2.30-3.15 |
| Titane (Ti) | 0.35-0.85 |
| Fer (Fe) | 2,0 maximum |
| Manganèse (Mn) | 1,5 maximum |
| Silicium (Si) | 00,5 maximum |
| Carbone (C) | 0.25 max |
| Soufre (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.
Propriétés mécaniques
| Condition | Résistance à la traction (MPa) | Limite d'élasticité (MPa) | Allongement (%) | Dureté (HRB) |
|---|---|---|---|---|
| Recuit | 690-850 | 275-550 | 20 min | 75 maximum |
| 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.
Performances à différentes températures
| Plage de température | Performance |
|---|---|
| Température ambiante | Excellent corrosion resistance, good mechanical properties |
| Elevated Temperatures (up to 400°C / 750°F) | Maintains strength and toughness |
| Températures cryogéniques | Retains ductility and toughness |
MONEL® alloy K-500 demonstrates consistent performance across a broad temperature spectrum, from cryogenic conditions to elevated temperatures.
Applications industrielles
MONEL® alloy K-500 finds applications in various industries requiring corrosion resistance and high strength:
| Industrie | Applications |
|---|---|
| Marin | Propeller and pump shafts, seawater valves |
| Oil & Gas | Springs, fasteners, downhole equipment |
| Traitement chimique | Pumps, valves, heat exchangers |
| Aérospatial | 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.
Formes, tailles et normes de production
Formes et tailles
| Formulaire | Gamme de tailles |
|---|---|
| Feuilles | Épaisseur : 0,5 mm – 3 mm |
| Assiettes | Épaisseur : 1 mm – 50 mm |
| Barres | Diamètre : 6 mm – 100 mm |
| Tuyaux | Diamètre extérieur : 6 mm – 500 mm |
| Tubes | Diamètre extérieur : 6 mm – 300 mm |
Normes de production et qualités correspondantes
| Pays | Standard | Note correspondante |
|---|---|---|
| États-Unis | ASTM B865 | UNS N05500 |
| Allemagne | DIN 17752, DIN 17753 | 2.4375 |
| France | AFNOR NFM 87-310 | – |
| Royaume-Uni | BS 3076 | – |
| Japon | JIS NW 5500 | – |
| Chine | GB/T 12769 | – |
MONEL® alloy K-500 adheres to various international production standards, ensuring consistency and quality across different manufacturing processes.
Soudage, usinage, polissage, traitement thermique et travail à froid
| Processus | Détails |
|---|---|
| Soudage | Welds with matching composition filler metals. Suitable methods include gas tungsten arc welding (GTAW) and gas metal arc welding (GMAW). |
| Usinage | Requires sharp tools and proper cooling. Carbide tools are recommended for turning and milling operations. |
| Polissage | Permet d'obtenir une bonne finition de surface grâce à des méthodes mécaniques telles que le polissage et les meules. Le polissage chimique est également efficace. |
| Traitement thermique | Annealing at 870°C (1600°F) followed by water quenching improves ductility and removes residual stresses. |
| Fonctionnement à froid | 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.
Avantages et inconvénients
| Aspect | Avantages | Désavantages |
|---|---|---|
| Avantages | Excellent corrosion resistance | L'usinage peut être difficile |
| Haute résistance et ténacité | Limited availability in certain forms | |
| Good ductility and toughness | Relatively high cost compared to some alternatives | |
| Suitable for marine and chemical processing applications |
Produits similaires
| Qualité du matériau | Comparaison |
|---|---|
| Alliage MONEL® 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.
Pour plus de spécifications techniques et de solutions personnalisées, il est recommandé de consulter les fournisseurs de matériaux et de référencer des fiches techniques de produits spécifiques.