HASTELLOY® aleación G-30

Alloy-G-30

HASTELLOY® G-30® Alloy (UNS N06030) Product Introduction

HASTELLOY® G-30® alloy (UNS N06030) is a highly corrosion-resistant nickel-base alloy designed for use in severe environments involving strong oxidizing agents. This article provides a comprehensive introduction to HASTELLOY® G-30® alloy, covering its chemical composition, mechanical properties, performance across different temperatures, industry applications, available shapes and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and comparisons with similar products.

Composición química

ElementoComposición (%)
Níquel (Ni)46.0 – 49.0
Cromo (Cr)29.0 – 31.5
Hierro (Fe)14,0 – 17,0
Molibdeno (Mo)4.0 – 6.0
Cobalto (Co)2,5 máx.
Tungsteno (W)1.5 – 4.0
Manganeso (Mn)1,0 máx.
Silicio (Si)1,0 máx.
Carbono (C)0.03 máx.
Fósforo (P)0.04 max
Azufre (S)0.02 máx.

Propiedades mecánicas

PropiedadValor
Resistencia a la tracción, ksi (MPa)100 (690) minutos
Límite elástico (0,2 % de compensación), ksi (MPa)45 (310) min
Alargamiento (% en 2 pulgadas)40 minutos
Dureza, Rockwell C (HRC)28 max

Rendimiento a diferentes temperaturas

HASTELLOY® G-30® alloy exhibits excellent performance across varying temperature ranges:

  • Temperatura ambiente: Superior resistance to a wide range of oxidizing and reducing environments, including sulfuric acid, phosphoric acid, and nitric acid.
  • Elevated Temperatures: Maintains high strength and corrosion resistance up to 1800°F (980°C), suitable for applications in chemical processing and pollution control equipment.
  • Temperaturas bajas: Retains ductility and toughness at cryogenic temperatures, ensuring reliability in extreme conditions.

Aplicaciones industriales

HASTELLOY® G-30® alloy is utilized in various industries due to its exceptional corrosion resistance:

Sector industrialAplicaciones
Procesamiento químicoReactors, heat exchangers, and piping systems handling aggressive chemicals such as acids, chlorides, and fluoride solutions.
Pollution ControlScrubbers, stack liners, and ducts exposed to corrosive gases and acidic environments.
FarmacéuticoPharmaceutical processing equipment requiring resistance to harsh chemicals and sterilization solutions.
Pulpo y papelEquipment for bleach plants, digesters, and evaporators exposed to corrosive media.

Formas, tamaños y estándares de producción.

Formulario de productoFormas disponiblesTamaños disponiblesEstándares de producción
Hojas/PlacasPlatos, HojasEspesor: 0,025″ – 1,000″ (0,64 mm – 25,4 mm)ASTM B582
BarrasBarras redondas, barras hexagonales.Diámetro: 0,25″ – 6,0″ (6,35 mm – 152,4 mm)ASTM B582
Tubos/TuberíasTubos sin costura, tubos soldadosDiámetro exterior: 0,5″ – 6,0″ (12,7 mm – 152,4 mm)ASTM B619, ASTM B622

Estándares y grados correspondientes

País/RegiónEstándar/Grado
EE.UUUNS N06030
Europa2.4603
AlemaniaNiCr30W16Cu
FranciaNC30FeDU

Soldadura, Procesamiento, Pulido, Tratamiento Térmico

ProcesoDetalles
SoldaduraExcelente soldabilidad mediante métodos TIG, MIG, asegurando uniones fuertes y confiables en ambientes corrosivos.
ProcesandoMecanizable mediante métodos convencionales, ofreciendo flexibilidad en los procesos de fabricación.
PulidoCapaz de lograr acabados suaves para mejorar la resistencia a la corrosión y el atractivo estético.
Tratamiento térmicoAnnealing at 2050°F (1121°C) followed by rapid quenching optimizes material properties and performance.

Procesamiento en frío, ventajas y desventajas

AspectoDetalles
Procesamiento en fríoConserva ductilidad y formabilidad a temperatura ambiente, facilitando la conformación y la fabricación.
VentajasExcellent resistance to a wide range of aggressive chemicals, high mechanical strength, and reliability in extreme environments.
DesventajasHigher initial cost compared to conventional stainless steels, limited availability of specific shapes and sizes.

productos similares

nombre del productoComparación
HASTELLOY C-276 (UNS N10276)Higher molybdenum content and broader resistance to oxidizing and reducing environments compared to G-30® alloy.
HASTELLOY C-22 (UNS N06022)Higher chromium content and resistance to oxidizing and reducing acids, including wet chlorine and ferric and cupric chlorides.

Comparación de productos similares

Propiedad/CaracterísticaHastelloy G-30®Hastelloy C-276Hastelloy C-22
Contenido de níquel (%)46.0 – 49.057.056.0
Contenido de molibdeno (%)4.0 – 6.015.0 – 17.012,5 – 14,5
Contenido de cromo (%)29.0 – 31.514.5 – 16.520,0 – 22,5
Resistencia a la tracción (ksi)100 minutos110 minutos115 minutos
Límite elástico (ksi)45 minutos52 min55 minutos
Resistencia a la corrosiónExcellent in oxidizing and reducing acids, including sulfuric, phosphoric, and nitric acid.Excellent in a wide range of corrosive environments, including strong oxidizers and reducing agents.Excellent in oxidizing and reducing acids, including wet chlorine and ferric and cupric chlorides.

This detailed article serves as an in-depth introduction to HASTELLOY® G-30® alloy (UNS N06030), providing essential information on its composition, mechanical properties, performance characteristics, applications across various industries, available forms and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and comparisons with similar alloys. The structured presentation using tables ensures clarity and accessibility of technical details, catering to professionals seeking reliable corrosion-resistant materials for demanding environments.