HASTELLOY B-3 (UNS N10675) is a nickel-molybdenum alloy renowned for its exceptional resistance to a wide range of aggressive chemicals, including hydrochloric acid, sulfuric acid, and other strong reducing agents. This article provides a comprehensive introduction to HASTELLOY B-3, covering its chemical composition, mechanical properties, performance characteristics at 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)
65.0 min
Molibden (Mo)
28.0 – 32.0
Żelazo (Fe)
1,0 maks
Chrom (Cr)
1,5 maks
Cobalt (Co)
2.5 max
Mangan (Mn)
1,0 maks
Krzem (Si)
0.10 max
Węgiel (C)
0.01 max
Fosfor (P)
00,015 maks
Siarka (S)
00,010 maks
Właściwości mechaniczne
Nieruchomość
Wartość
Wytrzymałość na rozciąganie, ksi (MPa)
110 (760) min
Granica plastyczności (przesunięcie 0,2%), ksi (MPa)
51 (350) min
Wydłużenie (% na 2 cale)
40 min
Hardness, Rockwell B (HRB)
94 max
Wydajność w różnych temperaturach
HASTELLOY B-3 demonstrates excellent performance across various temperature ranges:
Room Temperature:Superior resistance to reducing acids like hydrochloric, sulfuric, and phosphoric acids, making it ideal for chemical processing equipment.
Elevated Temperatures (up to 1000°F / 538°C):Maintains high strength and corrosion resistance in aggressive industrial environments.
Low Temperatures:Retains ductility and toughness down to cryogenic temperatures, suitable for applications requiring reliability in extreme conditions.
Zastosowania branżowe
HASTELLOY B-3 is widely used in several critical industries:
Sektor przemysłowy
Aplikacje
Przetwarzanie chemiczne
Reactor vessels, heat exchangers, and piping systems handling corrosive acids and chemicals.
Petrochemical
Equipment for processing sulfuric acid, acetic acid, and other aggressive chemicals in refineries.
Pharmaceutical
Pharmaceutical processing equipment requiring corrosion resistance to acids and harsh environments.
Pulpa i Papier
Bleach plant equipment, digesters, and other components exposed to corrosive chemicals in paper production.
Kształty, rozmiary i standardy produkcyjne
Formularz produktu
Dostępne kształty
Dostępne rozmiary
Standardy produkcyjne
Pościel
Talerze, prześcieradła
Thickness: 0.025″ – 4.000″ (0.64mm – 101.6mm)
ASTM B333
Słupy
Round bars, hexagonal bars
Diameter: 0.25″ – 4.0″ (6.35mm – 101.6mm)
ASTM B335
Rury/Rury
Seamless tubes, welded pipes
OD: 0.5″ – 8.0″ (12.7mm – 203.2mm)
ASTM B619, ASTM B622
Standards and Corresponding Grades
Kraj/region
Standard/Grade
USA
UNS N10675
Europe
2,4600
Niemcy
NiMo29
Francja
NiMo29
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
Solution annealing at 1950°F (1065°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 broad range of corrosive chemicals, high mechanical strength, and reliability in harsh environments.
Niedogodności
Higher initial cost compared to conventional stainless steels, potential limitations in availability of specific shapes and sizes.
podobne produkty
Product Name
Porównanie
Hastelloy C-276 (UNS N10276)
Higher nickel and molybdenum content, broader resistance to oxidizing and reducing environments.
Hastelloy B (UNS N10001)
Similar nickel content, lower molybdenum content, suitable for less severe corrosive conditions.
Comparison of Similar Products
Właściwość/funkcja
Hastelloy B-3
Hastelloy C-276
Hastelloy B
Zawartość niklu (%)
65.0
57,0
65.0
Zawartość molibdenu (%)
28.0 – 32.0
16.0
1,0
Zawartość chromu (%)
1.5
16.0
1,0
Tensile Strength (ksi)
110 min
100 min
110 min
Yield Strength (ksi)
51 min
40 min
51 min
Odporność na korozję
Excellent in reducing acids like hydrochloric and sulfuric acid, high resistance to pitting and stress corrosion cracking.
Wide range of corrosive environments, including strong oxidizers and reducing agents.
Good resistance to reducing acids, moderate resistance to oxidizing environments.
This article serves as a detailed introduction to HASTELLOY B-3 (UNS N10675), highlighting 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 presentation using tables ensures clarity and accessibility of technical information, catering to engineers, manufacturers, and professionals seeking corrosion-resistant materials for demanding applications.
