INCONEL® liga 600

alloy-600

Inconel® 600 (Alloy 600) UNS N06600 Product Introduction

Inconel® 600, designated as Alloy 600 and UNS N06600, is a versatile nickel-chromium-iron alloy renowned for its excellent oxidation and corrosion resistance at high temperatures. This article provides a comprehensive introduction to Inconel® 600, covering its chemical composition, mechanical properties, performance at different temperatures, industry applications, shapes and sizes, production standards, welding and processing capabilities, advantages and disadvantages, and a comparison with similar alloys.

Composição química

Inconel® 600 consists of nickel as the primary alloying element with significant additions of chromium and iron:

ElementoComposição (%)
Níquel (Ni)72.0 min
Cromo (Cr)14h00 – 17h00
Ferro (Fe)6.0 – 10.0
Carbono (C)0.15 max
Manganês (Mn)1,0 máx.
Silício (Si)00,5 máx.
Enxofre (S)00,015 máx.

Propriedades mecânicas

Inconel® 600 offers impressive mechanical properties suitable for various applications:

PropriedadeValor
Resistência à tração, ksi (MPa)80 – 110 (550 – 760)
Força de rendimento (compensação de 0,2%), ksi (MPa)30 – 50 (205 – 345)
Alongamento (% em 2 polegadas)35 – 55
Hardness, Rockwell B (HRB)65 – 85

Características de desempenho

Inconel® 600 demonstrates excellent performance under high-temperature conditions:

  • High-Temperature Resistance: Maintains strength and oxidation resistance up to 1093°C (2000°F), making it suitable for applications in furnace components, chemical processing equipment, and nuclear engineering.
  • Resistência à corrosão: Offers exceptional resistance to chloride-ion stress-corrosion cracking and oxidation in various aqueous environments.
  • Thermal Stability: Exhibits good thermal stability and resistance to thermal cycling.

Aplicações Industriais

Inconel® 600 is utilized in diverse industries requiring high-performance materials:

Setor IndustrialFormulários
AeroespacialGas turbine components, combustion chambers, and jet engine seals.
Processamento QuímicoReactors, heat exchangers, and vessels handling corrosive acids and gases.
Nuclear EngineeringReactor core components, steam generators, and fuel element cladding.

Formas e tamanhos

Inconel® 600 is available in various forms and sizes to meet specific application needs:

  • Formulários: Chapas, chapas, barras, peças forjadas e arames.
  • Tamanhos: Espessuras variando de 0,5 mm a 100 mm para chapas e diâmetros variando de 1 mm a 300 mm para barras redondas.

Padrões de produção

Inconel® 600 adheres to international production standards ensuring quality and reliability:

Formulário de produtoFormas disponíveisTamanhos disponíveisPadrões de produção
Placas/FolhasLençóis, PratosEspessura: 0,5 mm – 100 mmASTM B168, AMS 5540
Barras/hastesBarras redondas, barras quadradasDiâmetro: 1mm – 300mmASTM B166, AMS 5665
ForjadosBlocos, discos, anéisTamanho: PersonalizadoASTM B564, AMS 5665

Soldagem e Processamento

Inconel® 600 offers good weldability and processing characteristics:

  • Soldagem: Can be welded using conventional methods such as TIG, MIG, and resistance welding. Preheating and post-weld heat treatment may be required to maintain properties.
  • Usinabilidade: Generally machined in the annealed or solution-annealed condition using carbide tools and appropriate cutting fluids.

Vantagens e desvantagens

AspectoDetalhes
VantagensExcellent high-temperature strength and oxidation resistance, good corrosion resistance in a wide range of environments, and versatility in various applications.
DesvantagensLimited resistance to high-temperature sulfur-bearing environments, higher cost compared to standard stainless steels.

Comparação com ligas semelhantes

Inconel® 600 (Alloy 600, UNS N06600) is often compared with similar nickel-based alloys such as Inconel® 625 and Inconel® 718. Here’s a brief comparison:

Tipo/propriedade da ligaInconel® 600Inconel® 625Inconel® 718
Composição químicaHigh nickel, chromium, iron for high-temperature strength and oxidation resistance.High nickel, chromium, molybdenum, niobium for high corrosion resistance and strength.High nickel, chromium, niobium, molybdenum for high-temperature strength and corrosion resistance.
Propriedades mecânicasGood tensile and yield strength, excellent fatigue and creep resistance.Higher strength compared to Inconel® 600, superior resistance to chloride stress corrosion cracking.Higher tensile and yield strength compared to Inconel® 600, excellent mechanical properties at elevated temperatures.
FormuláriosAerospace engine components, chemical processing equipment, heat exchangers.Marine and offshore applications, aerospace components requiring high corrosion resistance.Gas turbine components, rocket motors, nuclear reactors requiring high-temperature strength and oxidation resistance.

This detailed article introduces Inconel® 600 (Alloy 600, UNS N06600), highlighting its chemical composition, mechanical properties, performance characteristics, industry applications, available forms and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and a comparison with similar alloys. Engineers and professionals seeking a reliable, high-performance nickel-based alloy for demanding applications in aerospace, chemical processing, and nuclear engineering will find Inconel® 600 an ideal choice for its robustness and versatility in extreme environments.