HASTELLOY® liga C-2000

HASTELLOY-C-2000

HASTELLOY® C-2000® Alloy (UNS N06200) Product Introduction

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.

Composição química

ElementoComposição (%)
Níquel (Ni)50.0 min
Cromo (Cr)22.0 – 24.0
Molibdênio (Mo)15.0 – 17.0
Tungstênio (W)3.0 – 4.5
Ferro (Fe)2,0 máx.
Cobalto (Co)1,0 máx.
Manganês (Mn)0.50 max
Carbono (C)0.010 max
Silício (Si)0.08 max
Fósforo (P)0.025 max
Enxofre (S)0.010 max

Propriedades mecânicas

PropriedadeValor
Resistência à tração, ksi (MPa)100 (690) min
Força de rendimento (compensação de 0,2%), ksi (MPa)45 (310) minutos
Alongamento (% em 2 polegadas)40 min
Dureza, Rockwell C (HRC)28 max

Desempenho em diferentes temperaturas

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.

Aplicações Industriais

HASTELLOY® C-2000® alloy is utilized in various industries due to its superior corrosion resistance:

Setor IndustrialFormulários
Processamento QuímicoReaction vessels, heat exchangers, and piping systems handling corrosive chemicals such as acids and chlorides.
Petróleo e GásEquipment exposed to sour gas environments containing hydrogen sulfide and other corrosive gases.
FarmacêuticoPharmaceutical processing equipment requiring resistance to aggressive chemicals.
Celulose e PapelComponents in bleach plants and digesters exposed to harsh chemical environments.

Formas, tamanhos e padrões de produção

Formulário de produtoFormas disponíveisTamanhos disponíveisPadrões de produção
Sheets/PlatesPratos, FolhasEspessura: 0,025″ – 1.000″ (0,64mm – 25,4mm)ASTM B575
BarrasRound bars, hexagonal barsDiâmetro: 0,25″ – 6,0″ (6,35mm – 152,4mm)ASTM B574
Tubes/PipesSeamless tubes, welded pipesOD: 0.5″ – 6.0″ (12.7mm – 152.4mm)ASTM B619, ASTM B622

Padrões e notas correspondentes

Country/RegionStandard/Grade
USAUNS N06200
Europe2.4675
AlemanhaNiCr23Mo16Cu
FrançaNC23FeDU

Welding, Processing, Polishing, Heat Treatment

ProcessoDetalhes
SoldagemExcellent weldability using TIG, MIG methods, ensuring strong and reliable joints in corrosive environments.
ProcessingMachinable using conventional methods, offering flexibility in fabrication processes.
PolimentoCapable of achieving smooth finishes for enhanced corrosion resistance and aesthetic appeal.
Tratamento térmicoAnnealing at 2050°F (1121°C) followed by rapid quenching optimizes material properties and performance.

Cold Processing, Advantages, and Disadvantages

AspectoDetalhes
Cold ProcessingRetains ductility and formability at room temperature, facilitating shaping and fabrication.
VantagensSuperior resistance to a wide range of aggressive chemicals, high mechanical strength, and reliability in extreme environments.
DesvantagensHigher initial cost compared to conventional stainless steels, limited availability of specific shapes and sizes.

Produtos Similares

Product NameComparação
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

Propriedade/RecursoHastelloy C-2000Hastelloy C-276Hastelloy B-3
Nickel Content (%)50.057,065.0
Molybdenum Content (%)15.0 – 17.015.0 – 17.01.0 – 3.0
Conteúdo de cromo (%)22.0 – 24.014.5 – 16.51.5 – 3.0
Tensile Strength (ksi)100 min110 min100 min
Yield Strength (ksi)45 min52 min40 min
Resistência à corrosãoExcellent 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.