Super Alloy HASTELLOY® G™ (UNS N06007) Product Introduction
HASTELLOY® G™ (UNS N06007) is a highly corrosion-resistant nickel-chromium-iron-molybdenum alloy designed for extreme environments where resistance to oxidizing and reducing acids is critical. This article provides a comprehensive introduction to HASTELLOY® G™ alloy, detailing 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
Elemento
Composición (%)
Níquel (Ni)
66.0 min
Cromo (Cr)
21.0 – 23.5
Hierro (Fe)
5.0 – 7.0
Molibdeno (Mo)
6,0 – 8,0
Cobre
1.0 – 2.5
Manganeso (Mn)
1,0 máx.
Silicio (Si)
0.70 max
Carbono (C)
0.05 – 0.15
Azufre (S)
0.015 máx.
Fósforo (P)
0.015 máx.
Propiedades mecánicas
Propiedad
Valor
Resistencia a la tracción, ksi (MPa)
110 (760) minutos
Límite elástico (0,2 % de compensación), ksi (MPa)
52 (360) min
Alargamiento (% en 2 pulgadas)
40 minutos
Dureza, Rockwell C (HRC)
25 – 35
Rendimiento a diferentes temperaturas
HASTELLOY® G™ alloy exhibits excellent performance across varying temperature ranges:
Temperatura ambiente:Exceptional resistance to oxidizing and reducing acids such as sulfuric acid, nitric acid, and hydrochloric acid.
Elevated Temperatures:Maintains high strength and corrosion resistance up to 1800°F (980°C), making it suitable for high-temperature chemical processing.
Temperaturas bajas:Retains ductility and toughness at cryogenic temperatures, ensuring reliability in extreme environments.
Aplicaciones industriales
HASTELLOY® G™ alloy finds applications across various industries due to its superior corrosion resistance:
Sector industrial
Aplicaciones
Procesamiento químico
Reactors, heat exchangers, and piping systems handling aggressive chemicals such as acids and chlorides.
Pulpo y papel
Equipment for bleach plants, digesters, and evaporators exposed to corrosive media.
Petróleo y gas
Components in refineries and petrochemical plants exposed to sour gas environments containing hydrogen sulfide.
Farmacéutico
Pharmaceutical processing equipment requiring resistance to harsh chemicals.
Formas, tamaños y estándares de producción.
Formulario de producto
Formas disponibles
Tamaños disponibles
Estándares de producción
Hojas/Placas
Platos, Hojas
Espesor: 0,025″ – 1,000″ (0,64 mm – 25,4 mm)
ASTM B582
Barras
Barras redondas, barras hexagonales.
Diámetro: 0,25″ – 6,0″ (6,35 mm – 152,4 mm)
ASTM B582
Tubos/Tuberías
Tubos sin costura, tubos soldados
Diámetro exterior: 0,5″ – 6,0″ (12,7 mm – 152,4 mm)
Excelente soldabilidad mediante métodos TIG, MIG, asegurando uniones fuertes y confiables en ambientes corrosivos.
Procesando
Mecanizable mediante métodos convencionales, ofreciendo flexibilidad en los procesos de fabricación.
Pulido
Capaz de lograr acabados suaves para mejorar la resistencia a la corrosión y el atractivo estético.
Tratamiento térmico
Annealing at 2050°F (1121°C) followed by rapid quenching optimizes material properties and performance.
Procesamiento en frío, ventajas y desventajas
Aspecto
Detalles
Procesamiento en frío
Conserva ductilidad y formabilidad a temperatura ambiente, facilitando la conformación y la fabricación.
Ventajas
Exceptional resistance to a wide range of aggressive chemicals, high mechanical strength, and reliability in extreme environments.
Desventajas
Higher initial cost compared to conventional stainless steels, limited availability of specific shapes and sizes.
productos similares
nombre del producto
Comparación
HASTELLOY C-276 (UNS N10276)
Higher molybdenum content and broader resistance to oxidizing and reducing environments compared to G™ 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/Característica
Hastelloy G™
Hastelloy C-276
Hastelloy C-22
Contenido de níquel (%)
66.0
57.0
56.0
Contenido de molibdeno (%)
6,0 – 8,0
15.0 – 17.0
12,5 – 14,5
Contenido de cromo (%)
21.0 – 23.5
14.5 – 16.5
20,0 – 22,5
Resistencia a la tracción (ksi)
110 minutos
110 minutos
115 minutos
Límite elástico (ksi)
52 min
52 min
55 minutos
Resistencia a la corrosión
Excellent in oxidizing and reducing acids, including sulfuric, nitric, and hydrochloric 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 comprehensive article provides a detailed introduction to HASTELLOY® G™ alloy (UNS N06007), encompassing its chemical composition, mechanical properties, performance in various environments, industry applications, available forms and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and comparisons with similar alloys. The structured format using tables ensures clarity and accessibility of technical information, catering to engineers, manufacturers, and professionals seeking corrosion-resistant materials for demanding applications.