AMS 4880-C95510 Nickel Aluminum Bronze Product Introduction
Composizione chimica
| Elemento | Percentuale (%) | Role in the Alloy |
|---|
| Insieme a | 78.00 min | Primary constituent, provides base structure and properties |
| Sn | 0.20 massimo | Migliora la resistenza alla corrosione e la robustezza |
| Zn | 0.30 massimo | Enhances strength and acts as a deoxidizer |
| Fe | 2.00-3.50 | Refines grain structure and increases strength |
| Ni | 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 massimo | 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.
Proprietà meccaniche
| Proprietà | Castings <4.0, Heat Treated | Castings 4.0+, Heat Treated |
|---|
| Resistenza alla trazione, min | 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% |
| Durezza Brinell | 192 to 248 BHN | 192 to 248 BHN |
Prestazioni a diverse temperature
| Intervallo di temperatura | Caratteristiche di performance |
|---|
| Low Temperatures (-50°C to 0°C) | Maintains good ductility and toughness |
| Room Temperature (20°C to 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 |
Applicazioni industriali
| Settore industriale | Specific Applications |
|---|
| Aerospaziale | Landing gear bushings, bearings in aircraft structures |
| Marino | Propellers, pump impellers, valve components in seawater systems |
| Olio e gas | Offshore platform components, subsea equipment |
| Rendimento della resistenza alla trazione | Bushings in suspension systems, gearbox components |
| Macchinari industriali | Wear plates, bushings in heavy machinery |
| Mining | Pump components, conveyor system parts |
| Produzione di energia | Turbine components, valve seats in power plants |
Disponibilità di forme e dimensioni
| Modulo | Gamma di dimensioni | è un acciaio strutturale ad alta resistenza a bassa lega standard cinese GB |
|---|
| Solids | 1/2″ to 9″ O.D. | – |
| Tubes | 1 1/8″ to 13″ O.D. | Consult mill for wall thickness |
| Rectangles | Up to 15″ | – |
| Standard lengths | 24″ | Consult mill for other lengths |
| Bar Stock | Various diameters | Available in round, hexagonal, and square shapes |
| Piatto | Fino a 6″ di spessore | Width and length vary by thickness |
| forgiati | Dimensioni personalizzate | Made to order based on specifications |
Standard di produzione
| Standard | Descrizione |
|---|
| 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 |
Standards and Corresponding Grades in Different Countries
| Paese/regione | Standard/Grade | Equivalent Designation |
|---|
| Stati Uniti d'America | AMS 4880-C95510 | UNS C95510 |
| Europa | EN 1982-CC333G | CuAl10Ni5Fe4 |
| Giappone | JIS H5120-CAC703 | – |
| Cina | GB/T 5231-QAl9-4 | – |
| Russia | GOST 493-79 Grade BrA9Zh4N4 | – |
| India | IS 3091 Grade 2 | – |
| Australia | AS 2074-CA953 | – |
Welding, Processing, Polishing, Heat Treatment, Cold Processing
Saldatura
| Metodo di saldatura | adeguatezza | è un acciaio strutturale ad alta resistenza a bassa lega standard cinese GB |
|---|
| Gas Tungsten Arc Welding (GTAW/TIG) | Eccellente | Preferred method for high-quality welds |
| Gas Metal Arc Welding (GMAW/MIG) | Bene | Suitable for larger components |
| Shielded Metal Arc Welding (SMAW) | Equo | Can be used but not preferred |
| Electron Beam Welding | Eccellente | For precision welding in aerospace applications |
| Friction Stir Welding | Bene | Emerging method for solid-state joining |
in lavorazione
| Metodo di elaborazione | Valutazione di lavorabilità | è un acciaio strutturale ad alta resistenza a bassa lega standard cinese GB |
|---|
| girando | 50 (0-100 scale) | Use carbide tools for best results |
| Fresatura | 50 (0-100 scale) | Moderate cutting speeds recommended |
| foratura | 50 (0-100 scale) | Use high-speed steel or carbide drills |
| Rettifica | Bene | Suitable for achieving tight tolerances |
| Electrical Discharge Machining (EDM) | Eccellente | For complex shapes and profiles |
Lucidatura
| Polishing Method | Finish Achievable | è un acciaio strutturale ad alta resistenza a bassa lega standard cinese GB |
|---|
| Mechanical Polishing | Mirror finish | Use progressively finer abrasives |
| Electro-polishing | High luster | Suitable for complex geometries |
| Buffing | High shine | Final step for decorative applications |
Trattamento termico
| Heat Treatment Process | Intervallo di temperatura | Purpose |
|---|
| Ricottura della soluzione | 870-900°C | Homogenize microstructure |
| tempra | Rapid cooling to room temperature | Increase strength and hardness |
| Invecchiamento | 350-400°C for 2-4 hours | Improve mechanical properties |
| Alleviare lo stress | 350-400°C for 1-2 hours | Reduce internal stresses |
Lavorazione a freddo
| Cold Processing Method | Effect on Material | Applicazioni |
|---|
| Cold Rolling | Increases strength and hardness | Sheet and strip production |
| Cold Drawing | Improves surface finish and dimensional accuracy | Wire and tube production |
| Forgiatura a freddo | Migliora le proprietà meccaniche | Near-net shape components |
Advantages and Disadvantages of Materials
Vantaggi
| Vantaggio | Descrizione |
|---|
| Molta forza | Excellent tensile and yield strength compared to many other copper alloys |
| Resistenza all'usura | Superior resistance to abrasion and galling |
| Resistenza alla corrosione | Good resistance to seawater and many chemicals |
| Conduttività termica | Better than stainless steels, suitable for heat exchange applications |
| Antiscintilla | Sicuro per l'uso in ambienti esplosivi |
| Low Magnetic Permeability | Suitable for applications requiring non-magnetic materials |
Svantaggi
| Svantaggio | Descrizione |
|---|
| Costo | More expensive than simpler copper alloys or steels |
| Il 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 |
Prodotti simili e confronto
Similar Nickel Aluminum Bronze Alloys
| Designazione della lega | Composizione chimica | Differenze chiave |
|---|
| 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
| Materiale | 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 |
| Bronzo fosforoso | 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
| Proprietà | AMS 4880-C95510 | Stainless Steel 316 | Aluminum Bronze C95400 | Titanio grado 5 (Ti-6Al-4V) |
|---|
| Resistenza alla trazione (MPa) | 655-724 | 515-690 | 586-758 | 895-930 |
| Carico di snervamento (MPa) | 386-431 | 205-310 | 241-379 | 828-910 |
| Allungamento (%) | 9 (min) | 40 | 12 | 10-15 |
| Densità (g/cm³) | 7.64 | 8.00 | 7.45 | 4.43 |
| Conducibilità termica (W/m·K) | 42 | 16.3 | 59 | 6.7 |
| Corrosion Resistance in Seawater | Eccellente | Eccellente | Bene | Eccellente |
| Machinability (0-100 scale) | 50 | 50 | 60 | 30 |
| Relative Cost | Alto | Moderare | Moderare | Molto alto |
Additional Properties and Characteristics
| Proprietà | Valore | Unità |
|---|
| Rendimento della resistenza alla trazione | 14.4 | µΩ·cm |
| Capacità termica specifica | 0.375 | J/g·°C |
| Rendimento della resistenza alla trazione | 1030-1060 | °C |
| Modulo di elasticità | 110-120 | GPa |
| Rapporto di Poisson | 0.33 | – |
| Fatigue Strength (10⁷ cycles) | 207-241 | MPa |
| Damping Capacity | Moderare | – |
Environmental and Recycling Considerations
| Aspetto | Descrizione |
|---|
| Riciclabilità | Highly recyclable, can be remelted and reused |
| Impatto ambientale | 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
| Metodo di prova | Purpose | Standard |
|---|
| Prove di trazione | Determine strength and ductility | ASTM E8 |
| Test di durezza | Measure surface hardness | ASTM E10 (Brinell) |
| Analisi chimica | Verify composition | ASTM E478 |
| Test ad ultrasuoni | Detect internal defects | ASTM E114 |
| Radiographic Testing | Inspect for porosity and inclusions | ASTM E1742 |
| Corrosion Testing | Evaluate corrosion resistance | ASTM G31 |
Storage and Handling Recommendations
| Aspetto | Recommendation |
|---|
| Storage Environment | Dry, clean area away from chemicals |
| Handling | Use appropriate lifting equipment for heavy pieces |
| Protezione | 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
| Fattore | Descrizione |
|---|
| 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 |
Conclusione
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.
