STELLITE® aleación 1

STELLITE-Alloy1

STELLITE® Alloy 1 Product Introduction

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.

ElementoComposición (%)
Cobalto (Co)58.0 – 64.0
Cromo (Cr)27.0 – 32.0
Tungsteno (W)3,0 – 5,0
Carbono (C)1.0 – 2.5
Silicio (Si)1,0 máx.
Hierro (Fe)3,0 – 5,0
Manganeso (Mn)1,0 máx.
Níquel (Ni)1,0 máx.
Fósforo (P)0.03 máx.
Azufre (S)0.03 máx.

Propiedades mecánicas

STELLITE® Alloy 1 exhibits excellent mechanical properties suitable for high-wear applications:

PropiedadValor
Resistencia a la tracción, ksi (MPa)140 (965) min
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 industrialAplicaciones
AeroespacialAircraft engine components, turbine blades, and wear-resistant coatings.
Petróleo y gasValve seats, pump components, and drilling tools exposed to abrasive environments and corrosive fluids.
Generación de energíaGas turbine blades, boiler components, and steam turbine seals requiring high wear resistance and durability.
Industrial MachineryCutting tools, extrusion dies, and wear plates in manufacturing equipment.

Formas, tamaños y estándares de producción.

Formulario de productoFormas disponiblesTamaños disponiblesEstándares de producción
BarrasBarras redondas, barras cuadradasDiámetro: 0,25″ – 6,0″ (6,35 mm – 152,4 mm)ASTM A732
Platos/HojasPlatos, HojasEspesor: 0,025″ – 1,000″ (0,64 mm – 25,4 mm)ASTM A732
Welding RodsRodsDiameter: 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:

País/RegiónEstándar/Grado
EE.UUAMS 5387
EuropaDIN 2.4778
AlemaniaCoCr28W15Ni
FranciaST 1

Soldadura, Procesamiento, Pulido, Tratamiento Térmico

ProcesoDetalles
SoldaduraCan be welded using conventional methods such as TIG and MIG welding with preheating and post-weld heat treatment to maintain properties.
ProcesandoMachinable using carbide tooling, although high cobalt content requires slower speeds and heavy feed rates.
PulidoCapable of achieving high polish finishes for improved wear resistance and aesthetic appeal.
Tratamiento térmicoAnnealing at 1800°F (980°C) followed by rapid quenching optimizes material properties and reduces residual stress.

Ventajas y desventajas

AspectoDetalles
VentajasHigh wear resistance, excellent strength at elevated temperatures, good corrosion resistance, and suitability for extreme environments.
DesventajasHigher cost compared to conventional materials, requires specialized machining and welding techniques due to high cobalt content.

productos similares

nombre del productoComparación
STELLITE® Alloy 6Similar in composition but higher tungsten content, offering superior resistance to galling and abrasion.
STELLITE® Alloy 12Lower carbon content, providing improved weldability and machinability compared to Alloy 1.

Comparación de productos similares

Propiedad/CaracterísticaSTELLITE® Alloy 1STELLITE® Alloy 6STELLITE® Alloy 12
Contenido de cobalto (%)58.0 – 64.054.0 – 62.031.0 – 35.0
Contenido de cromo (%)27.0 – 32.027.0 – 32.08.0 – 10.0
Tungsten Content (%)3,0 – 5,08.0 – 10.00.5 máx.
Dureza, Rockwell C (HRC)42 – 4848 – 5528 – 36
AplicacionesWear-resistant coatings, turbine componentsValve components, extrusion diesWelding 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.