Liga MONEL® 400

MONEL® Alloy 400 Product Introduction

MONEL® alloy 400 is a nickel-copper alloy known for its excellent corrosion resistance in a wide range of environments. It offers high strength and toughness across a broad temperature range, making it suitable for various industrial applications. This introduction covers its chemical composition, mechanical properties, performance characteristics, industry applications, shapes, sizes, production standards, and other relevant details.

Composição química

ElementoComposição (%)
Níquel (Ni)63.0 min
Cobre28.0-34.0
Ferro (Fe)2.5 max
Manganês (Mn)2,0 máx.
Silício (Si)00,5 máx.
Carbono (C)0.3 max
Enxofre (S)0.024 max

Propriedades mecânicas

PropriedadeValor
Resistência à tração (recozida)517 MPa (75 ksi) min
Resistência ao rendimento (recozido)172 MPa (25 ksi) min
Elongation (Annealed)35% min
Hardness (Annealed)65 HRB max

Desempenho em diferentes temperaturas

Faixa de temperaturaDesempenho
Temperatura do quartoExcellent corrosion resistance, good mechanical properties
Elevated Temperatures (up to 550°C / 1020°F)Retains strength and toughness
Temperaturas CriogênicasMaintains ductility and toughness

Aplicações Industriais

MONEL® alloy 400 is utilized in various industries for its corrosion resistance and mechanical properties:

IndústriaFormulários
MarinhoPropeller shafts, seawater valves, pump shafts
Processamento QuímicoSulfuric acid and hydrofluoric acid production
Oil & GasPump shafts, oil well tools, valve trim
AeroespacialAircraft fuel tanks, heat exchanger parts

Formas, tamanhos e padrões de produção

Formas e tamanhos
FormaFaixa de tamanho
FolhasThickness: 0.5 mm – 4 mm
PratosEspessura: 1mm – 100mm
BarrasDiâmetro: 6mm – 200mm
PipesOD: 6 mm – 1000 mm
TubesOD: 6 mm – 1000 mm
Padrões de produção e classes correspondentes
PaísPadrãoNota correspondente
Estados UnidosASTM B127, ASTM B164UNS N04400
AlemanhaDIN 17750, DIN 177512.4360
FrançaAFNOR NFM 87-310
Reino UnidoBS 3072, BS 3073NA13
JapãoJIS NW 4400
ChinaGB/T 12771, GB/T 12770

Soldagem, Usinagem, Polimento, Tratamento Térmico e Trabalho a Frio

ProcessoDetalhes
SoldagemWelds easily with matching composition filler metals
UsinagemRequires sharp tools, low cutting speeds, and heavy feed rates
PolimentoAchieves good surface finish with appropriate techniques
Tratamento térmicoAnnealing at 870°C (1600°F) followed by water quenching
Trabalho a frioGood ductility allows for extensive cold forming

Vantagens e desvantagens

AspectoVantagensDesvantagens
VantagensExcellent corrosion resistance across many environmentsDisponibilidade limitada em certos formatos
High strength and toughnessRelatively high cost compared to some alternatives
Good mechanical properties at high and low temperatures
Suitable for marine and chemical processing applications

Produtos Similares

Grau de materialComparação
Alloy K-500Similar composition with added aluminum and titanium for increased strength

Conclusão

MONEL® alloy 400 stands out as a versatile nickel-copper alloy renowned for its corrosion resistance and mechanical properties across diverse industries. Its ability to withstand harsh environments, coupled with ease of fabrication and reliability, makes it a preferred choice for critical applications in marine, chemical processing, and aerospace sectors. Designers and engineers seeking a robust material capable of performing under demanding conditions can rely on MONEL® alloy 400 for consistent performance and longevity.

For detailed technical specifications and tailored solutions, consulting with material suppliers and referencing specific product data sheets is recommended.