HAYNES 25 (L605) Alloy Product Introduction
HAYNES 25, also known as L605 or Stellite 25, is a cobalt-based superalloy renowned for its excellent high-temperature strength, wear resistance, and corrosion resistance. This article provides a comprehensive introduction to HAYNES 25 (L605), 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 comparisons with similar alloys.
Composición química
HAYNES 25 (L605) has a complex chemical composition designed to achieve its high-performance properties:
| Elemento | Composición (%) |
|---|---|
| Cobalto (Co) | 50.0 |
| Cromo (Cr) | 20.0 |
| Tungsteno (W) | 15.0 |
| Níquel (Ni) | 10.0 |
| Hierro (Fe) | 3.0 |
| Molibdeno (Mo) | 1.0 |
| Carbono (C) | 0.10 máx. |
| Manganeso (Mn) | 1,0 máx. |
| Silicio (Si) | 1,0 máx. |
| Fósforo (P) | 0.04 max |
| Azufre (S) | 0.03 máx. |
| Boron (B) | 0.01 máx. |
Propiedades mecánicas
HAYNES 25 (L605) exhibits impressive mechanical properties suitable for high-stress applications:
| Propiedad | Valor |
|---|---|
| Resistencia a la tracción, ksi (MPa) | 160 (1100) min |
| Límite elástico (0,2 % de compensación), ksi (MPa) | 120 (828) min |
| Alargamiento (% en 2 pulgadas) | 15 minutos |
| Dureza, Rockwell C (HRC) | 40 – 50 |
Características de presentación
HAYNES 25 (L605) offers exceptional performance in extreme environments:
- Resistencia a altas temperaturas: Maintains strength and toughness at temperatures up to 1800°F (980°C), making it suitable for gas turbine engines and other high-temperature applications.
- Wear and Corrosion Resistance: Excellent resistance to wear, corrosion, and oxidation in harsh environments, including aerospace and industrial applications.
Aplicaciones industriales
HAYNES 25 (L605) is utilized across various industries where high performance and reliability are crucial:
| Sector industrial | Aplicaciones |
|---|---|
| Aeroespacial | Gas turbine components, combustion chambers, thrust reversers, and other hot section parts requiring high strength and heat resistance. |
| Medical | Surgical implants, prosthetic devices, and other biomedical applications due to biocompatibility and corrosion resistance. |
| Industrial | Cutting tools, bearings, valves, and components for chemical processing and oil & gas industries. |
Formas y tamaños
HAYNES 25 (L605) is available in various forms and sizes to meet specific application needs:
- Formas: Sheets, plates, bars, tubes, wires, and custom shapes.
- Tamaños: Thickness ranging from 0.010 inches to 1.000 inches (0.25mm to 25.4mm), diameter ranging from 0.125 inches to 12.000 inches (3.18mm to 304.8mm).
Estándares de producción
HAYNES 25 (L605) complies with stringent industry standards for quality and performance:
| Formulario de producto | Formas disponibles | Tamaños disponibles | Estándares de producción |
|---|---|---|---|
| Barras/varillas | Barras redondas, barras cuadradas | Diameter: 0.125″ – 12.000″ (3.18mm – 304.8mm) | AMS 5759, AMS 5796 |
| Platos/Hojas | Platos, Hojas | Thickness: 0.010″ – 1.000″ (0.25mm – 25.4mm) | AMS 5537, AMS 5759 |
| alambres | alambres | Diámetro: 0,010″ – 0,250″ (0,25 mm – 6,35 mm) | AMS 5796, AMS 5797 |
| Tubos/Tuberías | Tubos, Tuberías | Diámetro exterior: 0,250″ – 6,000″ (6,35 mm – 152,4 mm) | AMS 5759, AMS 5796 |
Soldadura y procesamiento
HAYNES 25 (L605) offers good weldability and machinability:
- Soldadura: Can be welded using conventional methods such as TIG and MIG welding with proper preheating and post-weld heat treatment.
- Procesando: Machinable using carbide tooling, although it tends to work-harden and requires adequate cooling during machining.
Ventajas y desventajas
| Aspecto | Detalles |
|---|---|
| Ventajas | High strength at elevated temperatures, excellent wear and corrosion resistance, biocompatibility for medical applications, and good machinability. |
| Desventajas | De mayor coste respecto a los materiales convencionales, requiere experiencia en su manipulación debido a su alta resistencia y dureza. |
Aleaciones similares
| Nombre de la aleación | Comparación |
|---|---|
| HAYNES 188 | Similar high-temperature capabilities but with higher cobalt content and better oxidation resistance compared to HAYNES 25. |
Comparación de aleaciones similares
| Propiedad/Característica | HAYNES 25 (L605) | HAYNES 188 |
|---|---|---|
| Contenido de cobalto (%) | 50.0 | 39.0 |
| Contenido de cromo (%) | 20.0 | 22.0 |
| Tungsten Content (%) | 15.0 | 13.0 |
| Límite elástico (ksi) | 120 | 90 |
| Aplicaciones | Gas turbine components, medical implants | Aerospace components, high-temperature structural parts |
This detailed article provides a comprehensive introduction to HAYNES 25 (L605), 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 comparisons with similar alloys. Engineers and professionals seeking high-performance materials for applications demanding strength, corrosion resistance, and reliability will find this information useful in selecting the appropriate alloy for their specific needs.