STELLITE® Alloy 1 is a cobalt-based superalloy known for its exceptional wear resistance, high strength at elevated temperatures, and corrosion resistance. This article provides a comprehensive introduction to STELLITE® Alloy 1, detailing its chemical composition, mechanical properties, performance characteristics, industry applications, shapes, sizes, production standards, welding, processing, polishing, heat treatment, advantages, disadvantages, and comparisons with similar materials.
Composición química
STELLITE® Alloy 1 primarily consists of cobalt with significant additions of chromium, tungsten, and carbon for enhanced mechanical properties and wear resistance.
Límite elástico (0,2 % de compensación), ksi (MPa)
85 (586) minutos
Alargamiento (% en 2 pulgadas)
20 minutos
Dureza, Rockwell C (HRC)
42 – 48
Características de presentación
STELLITE® Alloy 1 offers outstanding performance in demanding conditions:
Resistencia al desgaste:Exceptional resistance to abrasion, erosion, and metal-to-metal wear, making it suitable for components exposed to high-stress wear environments.
Resistencia a la corrosión:Good resistance to oxidation and corrosion in high-temperature environments, including acids and alkalis.
Resistencia a altas temperaturas:Maintains high strength and hardness at elevated temperatures, up to approximately 1200°F (650°C).
Aplicaciones industriales
STELLITE® Alloy 1 is widely used in various industries for its wear and corrosion resistance properties:
Sector industrial
Aplicaciones
Aeroespacial
Aircraft engine components, turbine blades, and wear-resistant coatings.
Petróleo y gas
Valve seats, pump components, and drilling tools exposed to abrasive environments and corrosive fluids.
Generación de energía
Gas turbine blades, boiler components, and steam turbine seals requiring high wear resistance and durability.
Industrial Machinery
Cutting tools, extrusion dies, and wear plates in manufacturing equipment.
Formas, tamaños y estándares de producción.
Formulario de producto
Formas disponibles
Tamaños disponibles
Estándares de producción
Barras
Barras redondas, barras cuadradas
Diámetro: 0,25″ – 6,0″ (6,35 mm – 152,4 mm)
ASTM A732
Platos/Hojas
Platos, Hojas
Espesor: 0,025″ – 1,000″ (0,64 mm – 25,4 mm)
ASTM A732
Welding Rods
Rods
Diameter: 0.125″ – 0.500″ (3.18mm – 12.7mm)
AWS A5.13
Estándares y grados correspondientes
STELLITE® Alloy 1 adheres to industry standards and grades for quality assurance:
Can be welded using conventional methods such as TIG and MIG welding with preheating and post-weld heat treatment to maintain properties.
Procesando
Machinable using carbide tooling, although high cobalt content requires slower speeds and heavy feed rates.
Pulido
Capable of achieving high polish finishes for improved wear resistance and aesthetic appeal.
Tratamiento térmico
Annealing at 1800°F (980°C) followed by rapid quenching optimizes material properties and reduces residual stress.
Ventajas y desventajas
Aspecto
Detalles
Ventajas
High wear resistance, excellent strength at elevated temperatures, good corrosion resistance, and suitability for extreme environments.
Desventajas
Higher cost compared to conventional materials, requires specialized machining and welding techniques due to high cobalt content.
productos similares
nombre del producto
Comparación
STELLITE® Alloy 6
Similar in composition but higher tungsten content, offering superior resistance to galling and abrasion.
STELLITE® Alloy 12
Lower carbon content, providing improved weldability and machinability compared to Alloy 1.
Comparación de productos similares
Propiedad/Característica
STELLITE® Alloy 1
STELLITE® Alloy 6
STELLITE® Alloy 12
Contenido de cobalto (%)
58.0 – 64.0
54.0 – 62.0
31.0 – 35.0
Contenido de cromo (%)
27.0 – 32.0
27.0 – 32.0
8.0 – 10.0
Tungsten Content (%)
3.0 – 5.0
8.0 – 10.0
0.5 máx.
Dureza, Rockwell C (HRC)
42 – 48
48 – 55
28 – 36
Aplicaciones
Wear-resistant coatings, turbine components
Valve components, extrusion dies
Welding electrodes, pump parts
This comprehensive article offers a detailed introduction to STELLITE® Alloy 1, highlighting its chemical composition, mechanical properties, performance characteristics, industrial applications, available forms and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and comparisons with similar alloys. Engineers, manufacturers, and professionals seeking high-performance materials for wear and corrosion resistance applications will find this information invaluable for selecting the appropriate alloy for their specific needs.
