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
Elemento
Composição (%)
Níquel (Ni)
50.0 min
Cromo (Cr)
22.0 – 24.0
Molibdênio (Mo)
15h00 – 17h00
Tungstênio (W)
3.0 – 4.5
Ferro (Fe)
2,0 máx.
Cobalto (Co)
1,0 máx.
Manganês (Mn)
00,50 no máximo
Carbono (C)
00,010 máx.
Silício (Si)
0.08 max
Fósforo (P)
0.025 max
Enxofre (S)
00,010 máx.
Propriedades mecânicas
Propriedade
Valor
Resistência à tração, ksi (MPa)
100 (690) minutos
Força de rendimento (compensação de 0,2%), ksi (MPa)
45 (310) minutos
Alongamento (% em 2 polegadas)
40 minutos
Dureza, Rockwell C (HRC)
28 máx.
Desempenho em diferentes temperaturas
HASTELLOY® C-2000® alloy exhibits excellent performance across varying temperature ranges:
Temperatura ambiente:Exceptional resistance to a wide range of corrosive chemicals, including sulfuric acid, acetic acid, and hydrochloric acid.
Temperaturas Elevadas:Maintains high strength and corrosion resistance up to 1800°F (980°C), making it suitable for high-temperature chemical processing.
Baixas temperaturas: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 Industrial
Formulários
Processamento Químico
Reaction vessels, heat exchangers, and piping systems handling corrosive chemicals such as acids and chlorides.
Petróleo e Gás
Equipment exposed to sour gas environments containing hydrogen sulfide and other corrosive gases.
Farmacêutico
Pharmaceutical processing equipment requiring resistance to aggressive chemicals.
Celulose e Papel
Components in bleach plants and digesters exposed to harsh chemical environments.
Usinável usando métodos convencionais, oferecendo flexibilidade nos processos de fabricação.
Polimento
Capaz de obter acabamentos suaves para maior resistência à corrosão e apelo estético.
Tratamento térmico
O recozimento a 1.121°C (2.050°F) seguido de têmpera rápida otimiza as propriedades e o desempenho do material.
Processamento a frio, vantagens e desvantagens
Aspecto
Detalhes
Processamento a frio
Mantém ductilidade e conformabilidade à temperatura ambiente, facilitando a modelagem e a fabricação.
Vantagens
Superior resistance to a wide range of aggressive chemicals, high mechanical strength, and reliability in extreme environments.
Desvantagens
Custo inicial mais elevado em comparação aos aços inoxidáveis convencionais, disponibilidade limitada de formatos e tamanhos específicos.
Produtos Similares
Nome do produto
Comparação
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.
Comparação de produtos semelhantes
Propriedade/Recurso
Hastelloy C-2000
Hastelloy C-276
Hastelloy B-3
Conteúdo de níquel (%)
50,0
57,0
65.0
Conteúdo de molibdênio (%)
15h00 – 17h00
15h00 – 17h00
1.0 – 3.0
Conteúdo de cromo (%)
22.0 – 24.0
14,5 – 16,5
1.5 – 3.0
Resistência à tração (ksi)
100 minutos
110 minutos
100 minutos
Força de rendimento (ksi)
45 minutos
52 minutos
40 minutos
Resistência à corrosão
Excellent in oxidizing and reducing acids, including sulfuric, acetic, and hydrochloric acid.
Excelente em uma ampla variedade de ambientes corrosivos, incluindo oxidantes fortes e agentes redutores.
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.
