1. Introduction

C63000 aluminum bronze is a premium copper-based alloy recognized for its exceptional mechanical strength, corrosion resistance, and performance in demanding applications. This comprehensive analysis examines C63000 alongside its potential equivalent alternatives, providing procurement specialists, engineers, and materials selection professionals with detailed comparisons of chemical composition, mechanical properties, manufacturing considerations, and cost-performance ratios. This guide aims to facilitate informed decision-making when sourcing materials for critical applications in aerospace, marine, oil and gas, and heavy industrial sectors.

2. C63000 Aluminum Bronze: Baseline Specifications

Table 1: Chemical Composition of C63000 Aluminum Bronze (%)

AlInsieme aFePbmnNie
9.0-11.0REM.2.0-4.000,02 massimo1,5 massimo4.0-5.500,25 massimo
10.0*81.25*3.0*1.0*4.5*0.25*

*Nominal values

Table 2: Mechanical Properties of C63000 Aluminum Bronze

ProprietàValoreUnità
Resistenza alla trazione690-860MPa
Resa380-450MPa
Allungamento6-15%
Durezza Brinell170-240HB
Densità7.6g/cm³
Modulo di elasticità117GPa
Conduttività termica38W/m·K
Rendimento della resistenza alla trazione16.0μm/m·K
Conduttività elettrica6% IACS

3. Direct Equivalent Alternatives to C63000

3.1 International Standard Equivalents

Table 3: International Standards Equivalents for C63000

NazioneStandardDesignazioneEquivalence Level
Stati Uniti d'AmericaASMAUNS C63000Reference
EuropaSUCuAl10Ni5Fe4Alto
GermaniaA PARTIRE DALCuAl10Fe5Ni5Alto
UKBSCA104Media altezza
GiapponeJISCAC704medio
CinaGBQAl10-5-5Alto
RussiaGOSTBrAZhNFe 10-5-5Media altezza
InternazionaleISOCuAl10Fe5Ni5Alto

3.2 Chemical Composition Comparison

Table 4: Chemical Composition Comparison of C63000 and Its Direct Equivalents (%)

LegaStandardAlInsieme aFePbmnNieAltri
C63000ASMA9.0-11.0REM.2.0-4.000,02 massimo1,5 massimo4.0-5.500,25 massimo
CuAl10Ni5Fe4SU8.5-10.5REM.3.0-5.000,02 massimo0.5-2.54.0-6.00.1 maxZn≤0.5
CA104BS9.0-11.0REM.2.0-4.00.01 max1.0-2.04.0-6.00.2 maxZn≤0.5
CAC704JIS9.0-11.0REM.2.0-4.000,05 max1.0-2.04.0-6.000,3 massimo
QAl10-5-5GB9.0-11.0REM.4.0-5.50.01 max0.5-1.54.5-6.00.2 max

3.3 Mechanical Properties Comparison

Table 5: Mechanical Properties Comparison of C63000 and Direct Equivalents

LegaResistenza alla trazione (MPa)Carico di snervamento (MPa)Allungamento (%)Durezza (HB)
C63000 (ASTM)690-860380-4506-15170-240
CuAl10Ni5Fe4 (EN)650-830350-4208-15160-220
CA104 (BS)680-840360-4307-15170-230
CAC704 (JIS)650-820350-4206-12170-220
QAl10-5-5 (GB)680-850370-4407-14170-230

4. Alternative Material Categories

4.1 Other Aluminum Bronze Grades

Table 6: Alternative Aluminum Bronze Grades Comparison

LegaUNS#Al (%)Differenze chiaveRelative CostValutazione delle prestazioni
C63200C632008.7-9.5Lower Al, better ductility95%Alto
C63020C6302010.0-11.5Higher Al, increased hardness105%Molto alto
C62300C623008.5-10.0Lower Ni, reduced strength85%Media altezza
C95400C9540010.0-11.5No Ni, lower corrosion resistance80%medio
C95500C9550010.0-11.5Contains Ni, similar strength90%Alto

4.2 Nickel Aluminum Bronze Alternatives

Table 7: Nickel Aluminum Bronze Alternatives

LegaUNS#Key CompositionProprietà chiaveCost Ratio to C63000Best Applications
C95800C95800Cu-9Al-4Fe-4NiHigher corrosion resistance110%Marine propellers, valves
C95700C95700Cu-12Al-6Fe-2NiMaggiore resistenza, minore duttilità105%Heavy-duty bearings
C95900C95900Cu-12Al-6Ni-2.5FeEccellente resistenza all'usura115%Aircraft landing gear parts

4.3 Non-Aluminum Bronze Alternatives

Table 8: Non-Aluminum Bronze Alternative Materials

Material CategoryExample AlloyKey Properties ComparisonCost RatioCompatibility
Bronzo fosforosoC52400Lower strength, better electrical conductivity70%Low-Medium
Bronzo al manganeseC86300Similar strength, lower corrosion resistance75%medio
Silicon BronzeC87300Better machinability, lower wear resistance80%medio
Rame al berillioC17200Higher strength, excellent spring properties170%medio
Nickel-SilverC75200Lower strength, good corrosion resistance85%Basso

4.4 Non-Copper Based Alternatives

Table 9: Non-Copper Based Alternative Materials

Material CategoryExample GradeComparative PerformanceCost RatioApplication Overlap
Acciaio inossidabile17-4PHHigher strength, lower friction70%Media altezza
Leghe di nichelInconel 625Superior corrosion resistance, higher cost180%High for marine
Titanium AlloysTi-6Al-4VHigher strength-to-weight, much higher cost300%medio
Duplex Stainless2205Good corrosion resistance, lower cost80%medio
Composite BearingsPTFE/BronzeLow friction, limited load capacity65%Basso

5. Cost-Performance Analysis

5.1 Relative Material Cost Index

Table 10: Relative Material Cost Index (C63000 = 100)

MaterialeCosto della materia primaCosto di elaborazioneTotal Cost IndexCost Trend (2-Year)
C63000100100100Stable
CuAl10Ni5Fe4 (EN)95-10595-10595-105Stable
C6320090-10095-10592-102Stable
C9540075-8590-10080-90Slight decrease
C95800105-115100-110103-113Increasing
17-4PH SS65-7575-8568-78Volatile
Inconel 625170-190150-170160-180Increasing
Ti-6Al-4V280-320150-170240-270Volatile

5.2 Performance Rating by Application

Table 11: Performance Rating by Application (1-10 scale, 10=best)

MaterialeAerospazialeMarinoOil & GasHeavy MachineryOverall Value Rating
C6300098898.5
CuAl10Ni5Fe488898.3
C6320089898.5
C9540067787.0
C9580089988.5
17-4PH SS97888.0
Inconel 62599978.5
Ti-6Al-4V108767.8

6. Considerazioni sulla produzione

6.1 Processability Comparison

Table 12: Manufacturing Process Suitability (1-10 scale, 10=excellent)

MaterialeColata in sabbiaColata centrifugaColata di investimentolavorabilitàForgiatura a caldoHeat Treatment Response
C63000898659
CuAl10Ni5Fe4898659
C63200998768
C95400897657
C95800897667
17-4PH SS678589
Inconel 625567487
Ti-6Al-4V457378

6.2 Supply Chain Considerations

Table 13: Supply Chain Factors

MaterialeGlobal AvailabilityLead Time (weeks)Supplier DiversityPrice StabilityRiciclabilità
C63000Alto5-7AltomedioAlto
CuAl10Ni5Fe4Alto5-7AltomedioAlto
C63200Alto4-6AltomedioAlto
C95400Alto3-5AltomedioAlto
C95800Media altezza5-8medioLow-MediumAlto
17-4PH SSMolto alto2-4Molto altomedioAlto
Inconel 625medio8-12medioBassomedio
Ti-6Al-4Vmedio10-14medioBassomedio

7. Application-Specific Equivalence

Table 14: Recommended Alternatives by Application

ApplicazioneFirst ChoiceSeconda sceltaThird ChoiceKey Selection Factor
Aerospace bearingsC63000C63020Ti-6Al-4VStrength-to-weight
Marine shaftsC63000C95800Inconel 625ma ci sono alcune limitazioni
Oil & gas valvesC63000C9580017-4PHPressure capacity
Heavy machinery gearsC63000C6320017-4PHResistenza all'usura
High-temp applicationsC63000Inconel 625C95800Temperature stability
Structural componentsC63000C6320017-4PHFatigue resistance
Elementi di fissaggioC6300017-4PHTi-6Al-4VForza
Bushings and bearingsC63000C63200C95400Load capacity

8. Selection Methodology for Equivalent Materials

Table 15: Decision Matrix for Material Selection

Selection FactorIl pesoC63000CuAl10Ni5Fe4C6320017-4PH SSC95800Inconel 625
Mechanical strength25%988989
ma ci sono alcune limitazioni20%8887910
Resistenza all'usura15%989787
Costo-efficacia15%777864
lavorabilità10%667564
Disponibilità10%888976
Forgiatura a caldo5%556868
Weighted Score100%8.057.657.907.707.657.40

9. Regional Market Availability and Pricing Trends

Table 16: Regional Availability and Price Variations

RegioneC63000 AvailabilityPrice IndexLeading SuppliersImport Considerations
North AmericaAlto100Copper & Brass Fabricators Council membersDomestic supply robust
EuropaAlto105-110KME, Wieland, AurubisEU material certifications
CinaMedia altezza85-95Ningbo, Shanghai copper alloy suppliersQuality verification needed
Giapponemedio110-120JX Nippon Mining, Mitsubishi MaterialsHigh quality, premium price
Indiamedio90-100Hindustan Copper, regional foundriesVariable quality
Middle EastLow-Medium115-125Mostly importedImport duties, lead times
Australiamedio110-120Regional distributorsTransport costs factor

Table 17: Five-Year Price Trend Analysis (Index: 2020=100)

AnnoC63000C63200C9580017-4PH SSCopper IndexNickel Index
2020100100100100100100
2021118116122108125135
2022132128138116135150
2023128125135120130145
2024125122130115128140
2025*120118128118125138

*Projected values

10. Conclusion and Procurement Recommendations

C63000 aluminum bronze offers exceptional performance in demanding applications requiring high strength, good corrosion resistance, and wear properties. The most direct equivalent alternatives are found in the European standard CuAl10Ni5Fe4 and the Chinese standard QAl10-5-5, which offer very similar performance characteristics with minimal cost variations.

C63200 presents an excellent alternative with slightly better machinability and similar mechanical properties at a comparable or slightly lower cost. For applications with extreme corrosion requirements, particularly in marine environments, C95800 nickel aluminum bronze may justify its 5-10% higher cost through superior performance and longevity.

For procurement professionals, the following strategic recommendations apply:

  1. Develop relationships with multiple suppliers across different regions to mitigate supply chain risks
  2. Always request material certification documentation to verify composition and properties
  3. Consider total cost of ownership including maintenance and replacement frequency, not just initial material cost
  4. For non-critical applications, evaluate 17-4PH stainless steel as a potential cost-saving alternative
  5. Monitor copper and nickel commodity prices, as these significantly impact aluminum bronze costs
  6. Maintain safety stock of critical components during periods of price volatility or supply constraints
  7. Develop standardized material substitution protocols for emergency situations

By carefully evaluating the equivalence factors presented in this analysis, procurement specialists and engineers can make informed decisions when selecting alternatives to C63000 aluminum bronze, balancing performance requirements with cost considerations and supply chain resilience.