UDIMAR® Alloy 300 (UNS K93120) Product Introduction
UDIMAR® alloy 300, designated as UNS K93120, is a high-strength nickel-based superalloy known for its exceptional mechanical properties and corrosion resistance. This article provides a comprehensive introduction to UDIMAR® alloy 300, covering its chemical composition, mechanical properties, performance at different temperatures, industry applications, shapes and sizes, production standards, welding and processing capabilities, advantages and disadvantages, and a comparison with similar alloys.
Composition chimique
UDIMAR® alloy 300 is primarily composed of nickel with significant additions of cobalt, chromium, molybdenum, and other elements to enhance its mechanical and thermal properties:
| Élément | Composition (%) |
|---|---|
| Nickel (Ni) | 50,0 – 60,0 |
| Cobalt (Co) | 18.0 – 22.0 |
| Chrome (Cr) | 12.0 – 15.0 |
| Molybdène (Mo) | 2,0 – 3,0 |
| Fer (Fe) | 5.0 – 8.0 |
| Titane (Ti) | 1.0 – 2.0 |
| Aluminium (Al) | 0.1 – 0.5 |
| Carbone (C) | 00,05 maximum |
Propriétés mécaniques
UDIMAR® alloy 300 exhibits excellent mechanical properties suitable for high-strength applications:
| Propriété | Valeur |
|---|---|
| Résistance à la traction, ksi (MPa) | 170 – 200 (1172 – 1379) |
| Limite d'élasticité (compensation de 0,2 %), ksi (MPa) | 140 – 170 (965 – 1172) |
| Allongement (% en 2 pouces) | 15 – 25 |
| Dureté, Rockwell C (HRC) | 35 – 45 |
Caractéristiques de performance
UDIMAR® alloy 300 offers several performance advantages:
- High-Strength: Provides excellent strength properties suitable for applications requiring high mechanical performance.
- Résistance à la corrosion : Exhibits good resistance to corrosion and oxidation in various environments, including high-temperature applications.
- Heat Resistance: Maintains mechanical properties at elevated temperatures up to 800°C (1472°F), making it suitable for aerospace and industrial gas turbine applications.
Applications industrielles
UDIMAR® alloy 300 is used in various industries where high-strength and corrosion resistance are critical:
| Secteur industriel | Applications |
|---|---|
| Aérospatial | Turbine blades, discs, shafts, and casings for aerospace engines. |
| Production d'électricité | Gas turbine components, including rotor blades, combustion chambers, and heat exchangers. |
| Traitement chimique | Reactor vessels, valves, and pipes handling corrosive chemicals at high temperatures. |
Formes et tailles
UDIMAR® alloy 300 is available in various forms and sizes to meet specific application requirements:
- Formes: Feuilles, plaques, barres, pièces forgées et fils.
- Tailles : Épaisseur allant de 0,5 mm à 100 mm pour les plaques, et diamètre allant de 1 mm à 300 mm pour les barres rondes.
Normes de production
UDIMAR® alloy 300 conforms to international production standards ensuring quality and reliability:
| Formulaire de produit | Formes disponibles | Tailles disponibles | Normes de production |
|---|---|---|---|
| Plaques/Feuilles | Feuilles, plaques | Épaisseur : 0,5 mm – 100 mm | ASTM B637, AMS 5764 |
| Barres/tiges | Barres rondes, barres carrées | Diamètre : 1 mm – 300 mm | ASTM B637, AMS 5764 |
| Pièces forgées | Blocs, disques, anneaux | Taille : Adapté aux besoins du client | ASTM B637, AMS 5764 |
Soudage et transformation
UDIMAR® alloy 300 offers good weldability and processing characteristics:
- Soudage: Peut être soudé en utilisant des méthodes telles que le soudage TIG, MIG et par résistance. Un préchauffage et un traitement thermique après soudage peuvent être nécessaires pour conserver les propriétés.
- Usinabilité : Généralement usiné dans un état recuit en solution à l'aide d'outils en carbure et de fluides de coupe appropriés.
Avantages et inconvénients
| Aspect | Détails |
|---|---|
| Avantages | High strength, good corrosion and oxidation resistance, reliable performance at high temperatures, and availability in various forms and sizes. |
| Désavantages | Un coût plus élevé par rapport aux alliages de nickel standard nécessite un traitement et une manipulation spécialisés en raison de sa haute résistance et de ses éléments d'alliage. |
Comparaison avec des alliages similaires
UDIMAR® alloy 300 (UNS K93120) is often compared with other high-strength nickel-based superalloys such as UDIMET® alloy 720 and UDIMET® alloy R41. Here’s a brief comparison:
| Type/propriété de l'alliage | Alliage UDIMAR® 300 | Alliage UDIMET® 720 | Alliage UDIMET® R41 |
|---|---|---|---|
| Composition chimique | High nickel, cobalt, chromium, molybdenum for high-strength properties. | High nickel, cobalt, chromium, tungsten, molybdenum for high-temperature strength. | High nickel, cobalt, chromium, tungsten, molybdenum for high-temperature strength. |
| Propriétés mécaniques | Higher tensile and yield strength, good toughness, and fatigue resistance. | Higher tensile and yield strength compared to UDIMAR® alloy 300, excellent oxidation resistance. | Higher tensile and yield strength compared to UDIMET® alloy 720, superior creep resistance. |
| Applications | Aerospace engine components, gas turbines, and industrial applications requiring high strength and corrosion resistance. | Gas turbines, aerospace components requiring high-temperature strength and oxidation resistance. | Gas turbines, aerospace components requiring high-temperature strength and oxidation resistance. |
This detailed article introduces UDIMAR® alloy 300 (UNS K93120), highlighting its chemical composition, mechanical properties, performance characteristics, industry applications, available forms and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and a comparison with similar alloys. Engineers and professionals seeking a robust, high-strength nickel-based superalloy for critical applications in aerospace, power generation, and chemical processing will find UDIMAR® alloy 300 well-suited for use in demanding environments.