AMS 4880-C95510 Nickel Aluminum Bronze Product Introduction
Composição química
Elemento | Porcentagem (%) | Role in the Alloy |
---|
Cu | 78,00 minutos | Primary constituent, provides base structure and properties |
Sn | 00,20 no máximo | Improves corrosion resistance and strength |
Zn | 00,30 no máximo | Enhances strength and acts as a deoxidizer |
Fe | 2.00-3.50 | Refines grain structure and increases strength |
Dentro | 4.50-5.50 | Improves corrosion resistance and mechanical properties |
Al | 9.70-10.90 | Forms intermetallic compounds, enhancing strength and wear resistance |
Mn | 1,50 no máximo | Improves strength and deoxidizes the alloy |
Note: Cu + sum of named elements, 99.8% min. Ni value includes Co. Unless otherwise noted, single values represent maximums.
Propriedades mecânicas
Propriedade | Castings <4.0, Heat Treated | Castings 4.0+, Heat Treated |
---|
Resistência à tração, mín. | 105.0 ksi (724 MPa) | 95.0 ksi (655 MPa) |
Yield strength (0.2% Offset), min | 62.5 ksi (431 MPa) | 56.0 ksi (386 MPa) |
Elongation in 4D, min | 9% | 9% |
Dureza Brinell | 192 to 248 BHN | 192 to 248 BHN |
Desempenho em diferentes temperaturas
Faixa de temperatura | Características de desempenho |
---|
Low Temperatures (-50°C to 0°C) | Maintains good ductility and toughness |
Temperatura ambiente (20°C a 25°C) | Optimal balance of strength and ductility |
Moderate Temperatures (100°C to 200°C) | Retains good hardness and wear resistance |
Elevated Temperatures (200°C to 300°C) | Slight decrease in strength, but maintains good corrosion resistance |
High Temperatures (300°C to 400°C) | Reduced mechanical properties, but still usable in some applications |
Aplicações Industriais
Setor industrial | Specific Applications |
---|
Aeroespacial | Landing gear bushings, bearings in aircraft structures |
Marinho | Propellers, pump impellers, valve components in seawater systems |
Óleo e gás | Offshore platform components, subsea equipment |
Automotivo | Bushings in suspension systems, gearbox components |
Máquinas Industriais | Wear plates, bushings in heavy machinery |
Mineração | Pump components, conveyor system parts |
Geração de energia | Turbine components, valve seats in power plants |
Disponibilidade de formato e tamanho
Forma | Faixa de tamanho | Notas |
---|
Sólidos | 1/2 ″ a 9 ″ diâmetro externo | – |
Tubos | 1 1/8″ to 13″ O.D. | Consult mill for wall thickness |
Retângulos | Até 15″ | – |
Standard lengths | 24″ | Consult mill for other lengths |
Bar Stock | Various diameters | Available in round, hexagonal, and square shapes |
Prato | Up to 6″ thick | Width and length vary by thickness |
Forjados | Tamanhos personalizados | Made to order based on specifications |
Padrões de produção
Padrão | Descrição |
---|
AMS 4880 | Aerospace Material Specification for Nickel Aluminum Bronze |
ASTM B150 | Standard Specification for Aluminum Bronze Rod, Bar, and Shapes |
ASTM B171 | Standard Specification for Copper-Alloy Plate and Sheet for Pressure Vessels, Condensers, and Heat Exchangers |
SAE J461 | Wrought Copper and Copper Alloy Heat Exchanger Tube |
MIL-B-21230 | Military Specification for Bronze, Aluminum |
Padrões e notas correspondentes em diferentes países
País/Região | Standard/Grade | Equivalent Designation |
---|
EUA | AMS 4880-C95510 | UNS C95510 |
Europa | EN 1982-CC333G | CuAl10Ni5Fe4 |
Japão | JIS H5120-CAC703 | – |
China | GB/T 5231-QAl9-4 | – |
Rússia | GOST 493-79 Grade BrA9Zh4N4 | – |
Índia | IS 3091 Grade 2 | – |
Austrália | AS 2074-CA953 | – |
Welding, Processing, Polishing, Heat Treatment, Cold Processing
Soldagem
Método de soldagem | Aptidão | Notas |
---|
Gas Tungsten Arc Welding (GTAW/TIG) | Excelente | Preferred method for high-quality welds |
Gas Metal Arc Welding (GMAW/MIG) | Bom | Suitable for larger components |
Soldagem por arco metálico blindado (SMAW) | Justo | Can be used but not preferred |
Soldagem por feixe de elétrons | Excelente | For precision welding in aerospace applications |
Friction Stir Welding | Bom | Emerging method for solid-state joining |
Em processamento
Método de processamento | Classificação de usinabilidade | Notas |
---|
Girando | 50 (0-100 scale) | Use carbide tools for best results |
Fresagem | 50 (0-100 scale) | Moderate cutting speeds recommended |
Perfuração | 50 (0-100 scale) | Use high-speed steel or carbide drills |
Esmerilhamento | Bom | Suitable for achieving tight tolerances |
Electrical Discharge Machining (EDM) | Excelente | For complex shapes and profiles |
Polimento
Método de polimento | Finish Achievable | Notas |
---|
Polimento Mecânico | Mirror finish | Use progressively finer abrasives |
Eletropolimento | High luster | Suitable for complex geometries |
Polimento | High shine | Final step for decorative applications |
Tratamento térmico
Heat Treatment Process | Faixa de temperatura | Propósito |
---|
Solution Annealing | 870-900°C | Homogenize microstructure |
Extinção | Rapid cooling to room temperature | Aumentar a força e a dureza |
Envelhecimento | 350-400°C for 2-4 hours | Improve mechanical properties |
Alívio de estresse | 350-400°C for 1-2 hours | Reduza tensões internas |
Processamento a frio
Cold Processing Method | Effect on Material | Formulários |
---|
Laminação a Frio | Increases strength and hardness | Sheet and strip production |
Desenho a frio | Improves surface finish and dimensional accuracy | Wire and tube production |
Forjamento a frio | Enhances mechanical properties | Near-net shape components |
Advantages and Disadvantages of Materials
Vantagens
Vantagem | Descrição |
---|
Força elevada | Excellent tensile and yield strength compared to many other copper alloys |
Resistência ao desgaste | Superior resistance to abrasion and galling |
Resistência à corrosão | Good resistance to seawater and many chemicals |
Condutividade térmica | Better than stainless steels, suitable for heat exchange applications |
Non-sparking | Safe for use in explosive environments |
Low Magnetic Permeability | Suitable for applications requiring non-magnetic materials |
Desvantagens
Desvantagem | Descrição |
---|
Custo | More expensive than simpler copper alloys or steels |
Peso | Heavier than aluminum alloys, which may be a concern in some applications |
Complex Processing | Requires careful control during casting and heat treatment |
Limited Ductility | Less ductile than pure copper or some other copper alloys |
Potential for Stress Corrosion Cracking | Can occur under certain environmental conditions |
Produtos semelhantes e comparação
Similar Nickel Aluminum Bronze Alloys
Designação de liga | Composição química | Principais diferenças |
---|
C95800 | Cu-9Al-4Fe-4Ni | Higher iron content, slightly lower strength |
C95700 | Cu-11Al-3Fe-5Ni | Higher aluminum content, increased hardness |
C95400 | Cu-11Al-4Fe | No nickel, lower corrosion resistance |
Comparison with Other Material Classes
Material | Advantages over C95510 | Disadvantages compared to C95510 |
---|
Stainless Steel 316 | Lower cost, higher availability | Lower thermal conductivity, higher weight |
Aluminum Bronze (e.g., C95400) | Lower cost, easier to cast | Lower strength and corrosion resistance |
Phosphor Bronze | Better electrical conductivity | Lower strength and wear resistance |
Titanium Alloys | Lower density, higher strength-to-weight ratio | Much higher cost, more difficult to machine |
Detailed Comparison Table
Propriedade | AMS 4880-C95510 | Stainless Steel 316 | Aluminum Bronze C95400 | Titanium Grade 5 (Ti-6Al-4V) |
---|
Resistência à tração (MPa) | 655-724 | 515-690 | 586-758 | 895-930 |
Força de rendimento (MPa) | 386-431 | 205-310 | 241-379 | 828-910 |
Alongamento (%) | 9 (min) | 40 | 12 | 10-15 |
Density (g/cm³) | 7.64 | 8.00 | 7h45 | 4.43 |
Condutividade Térmica (W/m·K) | 42 | 16.3 | 59 | 6.7 |
Corrosion Resistance in Seawater | Excelente | Excelente | Bom | Excelente |
Machinability (0-100 scale) | 50 | 50 | 60 | 30 |
Relative Cost | Alto | Moderado | Moderado | Muito alto |
Additional Properties and Characteristics
Propriedade | Valor | Units |
---|
Resistividade elétrica | 14.4 | µΩ·cm |
Capacidade Específica de Calor | 00,375 | J/g·°C |
Intervalo de fusão | 1030-1060 | °C |
Módulos de elasticidade | 110-120 | GPa |
Razão de Poisson | 0.33 | – |
Fatigue Strength (10⁷ cycles) | 207-241 | MPa |
Damping Capacity | Moderado | – |
Environmental and Recycling Considerations
Aspecto | Descrição |
---|
Recyclability | Highly recyclable, can be remelted and reused |
Environmental Impact | Lower energy requirement for recycling compared to primary production |
Toxicity | Non-toxic in solid form, but dust and fumes during processing should be controlled |
End-of-Life | Can be collected and recycled through established metal recycling streams |
Quality Control and Testing Methods
Método de teste | Propósito | Padrão |
---|
Tensile Testing | Determine strength and ductility | ASTM E8 |
Hardness Testing | Measure surface hardness | ASTM E10 (Brinell) |
Análises químicas | Verify composition | ASTM E478 |
Teste ultrassônico | Detectar defeitos internos | ASTM E114 |
Teste Radiográfico | Inspect for porosity and inclusions | ASTM E1742 |
Corrosion Testing | Evaluate corrosion resistance | ASTM G31 |
Storage and Handling Recommendations
Aspecto | Recommendation |
---|
Storage Environment | Dry, clean area away from chemicals |
Handling | Use appropriate lifting equipment for heavy pieces |
Protection | Apply protective coatings or wraps to prevent surface damage |
Inventory Management | Use FIFO (First In, First Out) system to manage stock |
Safety Precautions | Wear appropriate PPE when handling, especially during cutting or machining |
Typical Lead Times and Pricing Factors
Fator | Descrição |
---|
Standard Stock Sizes | Usually available with 1-2 week lead time |
Custom Sizes/Shapes | May require 4-8 weeks lead time |
Quantity | Larger orders may have longer lead times but better pricing |
Market Conditions | Copper and nickel prices can significantly affect final cost |
Certification Requirements | Special certifications may increase lead time and cost |
Conclusão
AMS 4880-C95510 Nickel Aluminum Bronze is a high-performance alloy that offers an excellent combination of strength, wear resistance, and corrosion resistance. Its versatility makes it suitable for a wide range of applications across various industries, particularly in marine and aerospace environments. While it may have a higher initial cost compared to some other materials, its long-term performance and durability often result in lower lifecycle costs for critical components. The material’s ability to maintain its properties under diverse operating conditions, coupled with its non-sparking characteristics, makes it a preferred choice for safety-critical applications. As with any specialized material, proper consideration should be given to design, processing, and maintenance to fully leverage its capabilities and ensure optimal performance throughout its service life.