HASTELLOY® C-2000® alloy (UNS N06200) is a highly corrosion-resistant nickel-chromium-molybdenum-tungsten alloy designed for use in extreme chemical environments. This article provides a detailed and rich introduction to HASTELLOY® C-2000® alloy, covering its chemical composition, mechanical properties, performance 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.
Composizione chimica
Elemento
Composizione (%)
Nichel (Ni)
50.0 min
Cromo (Cr)
22.0 – 24.0
Molibdeno (Mo)
15.0 – 17.0
Tungsteno (W)
3.0 – 4.5
Ferro (Fe)
2,0 massimo
Cobalt (Co)
1,0 massimo
Manganese (Mn)
00,50 massimo
Carbonio (C)
00,010 massimo
Silicon (Si)
0.08 max
Fosforo (P)
0.025 max
Zolfo (S)
00,010 massimo
Proprietà meccaniche
Proprietà
Valore
Resistenza alla trazione, ksi (MPa)
100 (690) min
Limite di snervamento (compensazione dello 0,2%), ksi (MPa)
45 (310) min
Allungamento (% in 2 pollici)
40 min
Durezza, Rockwell C (HRC)
28 max
Prestazioni a diverse temperature
HASTELLOY® C-2000® alloy exhibits excellent performance across varying temperature ranges:
Room Temperature:Exceptional resistance to a wide range of corrosive chemicals, including sulfuric acid, acetic 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.
Applicazioni industriali
HASTELLOY® C-2000® alloy is utilized in various industries due to its superior corrosion resistance:
Settore industriale
Applicazioni
Elaborazione chimica
Reaction vessels, heat exchangers, and piping systems handling corrosive chemicals such as acids and chlorides.
Olio e gas
Equipment exposed to sour gas environments containing hydrogen sulfide and other corrosive gases.
Pharmaceutical
Pharmaceutical processing equipment requiring resistance to aggressive chemicals.
Pulp and Paper
Components in bleach plants and digesters exposed to harsh chemical environments.
Shapes, Sizes, and Production Standards
Forma del prodotto
Forme disponibili
Taglie disponibili
Standard di produzione
Sheets/Plates
Plates, Sheets
Thickness: 0.025″ – 1.000″ (0.64mm – 25.4mm)
ASTM B575
Barre
Round bars, hexagonal bars
Diameter: 0.25″ – 6.0″ (6.35mm – 152.4mm)
ASTM B574
Tubes/Pipes
Seamless tubes, welded pipes
OD: 0.5″ – 6.0″ (12.7mm – 152.4mm)
ASTM B619, ASTM B622
Standards and Corresponding Grades
Paese/regione
Standard/Grade
Stati Uniti d'America
UNS N06200
Europe
2.4675
Germania
NiCr23Mo16Cu
Francia
NC23FeDU
Welding, Processing, Polishing, Heat Treatment
Process
Dettagli
Saldatura
Excellent weldability using TIG, MIG methods, ensuring strong and reliable joints in corrosive environments.
in lavorazione
Machinable using conventional methods, offering flexibility in fabrication processes.
Lucidatura
Capable of achieving smooth finishes for enhanced corrosion resistance and aesthetic appeal.
Trattamento termico
Annealing at 2050°F (1121°C) followed by rapid quenching optimizes material properties and performance.
Cold Processing, Advantages, and Disadvantages
Aspetto
Dettagli
Lavorazione a freddo
Retains ductility and formability at room temperature, facilitating shaping and fabrication.
Vantaggi
Superior resistance to a wide range of aggressive chemicals, high mechanical strength, and reliability in extreme environments.
Svantaggi
Higher initial cost compared to conventional stainless steels, limited availability of specific shapes and sizes.
Similar Products
Product Name
Comparison
HASTELLOY C-276 (UNS N10276)
Higher molybdenum content and broader resistance to oxidizing and reducing environments compared to C-2000.
HASTELLOY B-3 (UNS N10675)
Enhanced thermal stability and resistance to reducing acids, suitable for more severe corrosive conditions than C-2000.
Comparison of Similar Products
Property/Feature
Hastelloy C-2000
Hastelloy C-276
Hastelloy B-3
Nickel Content (%)
50.0
57.0
65.0
Molybdenum Content (%)
15.0 – 17.0
15.0 – 17.0
1.0 – 3.0
Chromium Content (%)
22.0 – 24.0
14.5 – 16.5
1.5 – 3.0
Tensile Strength (ksi)
100 min
110 min
100 min
Yield Strength (ksi)
45 min
52 min
40 min
Resistenza alla corrosione
Excellent in oxidizing and reducing acids, including sulfuric, acetic, and hydrochloric acid.
Excellent in a wide range of corrosive environments, including strong oxidizers and reducing agents.
Excellent in reducing acids and severe corrosive conditions.
This comprehensive article provides a detailed introduction to HASTELLOY® C-2000® alloy (UNS N06200), 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.
