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.
Skład chemiczny
Element
Skład (%)
Nikiel (Ni)
66.0 min
Chrom (Cr)
21.0 – 23.5
Żelazo (Fe)
5.0 – 7.0
Molibden (Mo)
6.0 – 8.0
Copper (Cu)
1.0 – 2.5
Mangan (Mn)
1,0 maks
Krzem (Si)
0.70 max
Węgiel (C)
0.05 – 0.15
Siarka (S)
00,015 maks
Fosfor (P)
00,015 maks
Właściwości mechaniczne
Nieruchomość
Wartość
Wytrzymałość na rozciąganie, ksi (MPa)
110 (760) min
Granica plastyczności (przesunięcie 0,2%), ksi (MPa)
52 (360) min
Wydłużenie (% na 2 cale)
40 min
Twardość, Rockwell C (HRC)
25 – 35
Wydajność w różnych temperaturach
HASTELLOY® G™ alloy exhibits excellent performance across varying temperature ranges:
Room Temperature: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.
Low Temperatures:Retains ductility and toughness at cryogenic temperatures, ensuring reliability in extreme environments.
Zastosowania branżowe
HASTELLOY® G™ alloy finds applications across various industries due to its superior corrosion resistance:
Sektor przemysłowy
Aplikacje
Przetwarzanie chemiczne
Reactors, heat exchangers, and piping systems handling aggressive chemicals such as acids and chlorides.
Pulpa i Papier
Equipment for bleach plants, digesters, and evaporators exposed to corrosive media.
Olej i gaz
Components in refineries and petrochemical plants exposed to sour gas environments containing hydrogen sulfide.
Pharmaceutical
Pharmaceutical processing equipment requiring resistance to harsh chemicals.
Kształty, rozmiary i standardy produkcyjne
Formularz produktu
Dostępne kształty
Dostępne rozmiary
Standardy produkcyjne
Sheets/Plates
Talerze, prześcieradła
Grubość: 0,025 ″ – 1,000 ″ (0,64 mm – 25,4 mm)
ASTM B582
Słupy
Round bars, hexagonal bars
Średnica: 0,25″ – 6,0″ (6,35 mm – 152,4 mm)
ASTM B582
Rury/Rury
Seamless tubes, welded pipes
OD: 0.5″ – 6.0″ (12.7mm – 152.4mm)
ASTM B619, ASTM B622
Standards and Corresponding Grades
Kraj/region
Standard/Grade
USA
UNS N06007
Europe
2.4618
Niemcy
NiCr23Mo16Cu
Francja
NC23FeDU
Welding, Processing, Polishing, Heat Treatment
Proces
Detale
Spawalniczy
Excellent weldability using TIG, MIG methods, ensuring strong and reliable joints in corrosive environments.
Processing
Machinable using conventional methods, offering flexibility in fabrication processes.
Polerowanie
Capable of achieving smooth finishes for enhanced corrosion resistance and aesthetic appeal.
Obróbka cieplna
Annealing at 2050°F (1121°C) followed by rapid quenching optimizes material properties and performance.
Cold Processing, Advantages, and Disadvantages
Aspekt
Detale
Cold Processing
Retains ductility and formability at room temperature, facilitating shaping and fabrication.
Zalety
Exceptional resistance to a wide range of aggressive chemicals, high mechanical strength, and reliability in extreme environments.
Niedogodności
Higher initial cost compared to conventional stainless steels, limited availability of specific shapes and sizes.
podobne produkty
Product Name
Porównanie
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.
Comparison of Similar Products
Właściwość/funkcja
Hastelloy G™
Hastelloy C-276
Hastelloy C-22
Zawartość niklu (%)
66.0
57,0
56,0
Zawartość molibdenu (%)
6.0 – 8.0
15.0 – 17.0
12.5 – 14.5
Zawartość chromu (%)
21.0 – 23.5
14.5 – 16.5
20.0 – 22.5
Tensile Strength (ksi)
110 min
110 min
115 min
Yield Strength (ksi)
52 min
52 min
55 min
Odporność na korozję
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.
