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.
Composición química
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:
| Elemento | Composición (%) |
|---|---|
| Níquel (Ni) | 50.0 – 60.0 |
| Cobalto (Co) | 18.0 – 22.0 |
| Cromo (Cr) | 12.0 – 15.0 |
| Molibdeno (Mo) | 2.0 – 3.0 |
| Hierro (Fe) | 5.0 – 8.0 |
| Titanio (Ti) | 1.0 – 2.0 |
| Aluminio (Al) | 0.1 – 0.5 |
| Carbono (C) | 0.05 máx. |
Propiedades mecánicas
UDIMAR® alloy 300 exhibits excellent mechanical properties suitable for high-strength applications:
| Propiedad | Valor |
|---|---|
| Resistencia a la tracción, ksi (MPa) | 170 – 200 (1172 – 1379) |
| Límite elástico (0,2 % de compensación), ksi (MPa) | 140 – 170 (965 – 1172) |
| Alargamiento (% en 2 pulgadas) | 15 – 25 |
| Dureza, Rockwell C (HRC) | 35 – 45 |
Características de presentación
UDIMAR® alloy 300 offers several performance advantages:
- High-Strength: Provides excellent strength properties suitable for applications requiring high mechanical performance.
- Resistencia a la corrosión: 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.
Aplicaciones industriales
UDIMAR® alloy 300 is used in various industries where high-strength and corrosion resistance are critical:
| Sector industrial | Aplicaciones |
|---|---|
| Aeroespacial | Turbine blades, discs, shafts, and casings for aerospace engines. |
| Generación de energía | Gas turbine components, including rotor blades, combustion chambers, and heat exchangers. |
| Procesamiento químico | Reactor vessels, valves, and pipes handling corrosive chemicals at high temperatures. |
Formas y tamaños
UDIMAR® alloy 300 is available in various forms and sizes to meet specific application requirements:
- Formas: Chapas, placas, barras, forjados y alambres.
- Tamaños: Espesores que van desde 0,5 mm hasta 100 mm para placas y diámetros que van desde 1 mm hasta 300 mm para barras redondas.
Estándares de producción
UDIMAR® alloy 300 conforms to international production standards ensuring quality and reliability:
| Formulario de producto | Formas disponibles | Tamaños disponibles | Estándares de producción |
|---|---|---|---|
| Platos/Hojas | Hojas, Placas | Espesor: 0,5 mm – 100 mm | ASTM B637, AMS 5764 |
| Barras/varillas | Barras redondas, barras cuadradas | Diámetro: 1mm – 300mm | ASTM B637, AMS 5764 |
| Forjas | Bloques, Discos, Anillos | Tamaño: Personalizado | ASTM B637, AMS 5764 |
Soldadura y procesamiento
UDIMAR® alloy 300 offers good weldability and processing characteristics:
- Soldadura: Can be welded using methods such as TIG, MIG, and resistance welding. Preheating and post-weld heat treatment may be required to maintain properties.
- Maquinabilidad: Generally machined in the solution-annealed condition using carbide tools and appropriate cutting fluids.
Ventajas y desventajas
| Aspecto | Detalles |
|---|---|
| Ventajas | High strength, good corrosion and oxidation resistance, reliable performance at high temperatures, and availability in various forms and sizes. |
| Desventajas | Higher cost compared to standard nickel alloys, requires specialized processing and handling due to its high strength and alloying elements. |
Comparación con aleaciones similares
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:
| Tipo/propiedad de aleación | UDIMAR® aleación 300 | UDIMET® aleación 720 | UDIMET® aleación R41 |
|---|---|---|---|
| Composición química | 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. |
| Propiedades mecánicas | 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. |
| Aplicaciones | 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.