1. Introduction

C95500 aluminum bronze is a premium nickel-aluminum bronze alloy recognized for its exceptional mechanical properties, wear resistance, and superior corrosion performance, particularly in demanding marine and aerospace applications. This comprehensive analysis examines C95500 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 requiring high strength, excellent wear resistance, and corrosion protection.

2. C95500 Aluminum Bronze: Baseline Specifications

Table 1: Chemical Composition of C95500 Aluminum Bronze (%)

AlС участиемFePbMnNiА такжеZn
10.5-11.5Рем.3,0-5,000,03 макс.3,5 макс.3,0-5,500,5 макс.0.3 макс.
11.0*78.5*4.0*-1.0*5.0*0.15*0.1*

*Nominal values

Table 2: Mechanical Properties of C95500 Aluminum Bronze

ИмуществоФормование и изгибЕд. изм
Предел прочности650-760МПа
Предел текучести280-340МПа
Удлинение15-25%
Твердость по Бринеллю170-220HB
Плотность7,5г / см³
Модуль упругости110ГПа
Формование и изгиб42W/m·K
Коэффициент температурного расширения16.2μm/m·K
Электрическая проводимость8% IACS

3. Direct Equivalent Alternatives to C95500

3.1 International Standard Equivalents

Table 3: International Standards Equivalents for C95500

СтранаСтандартОбозначениеEquivalence Level
Соединенные Штаты АмерикиАСТМАУНС C95500Reference
ЕвропаНАCuAl11Fe5Ni5Высокий
ГерманияИЗCuAl11Ni5Fe5Высокий
Соединенное КоролевствоBSCA105Высокий
ЯпонияJISCAC707Средне-высокий
КитайГБZCuAl11Ni5Fe5Высокий
РоссияГОСТBrAZhNMts 11-6-6Средне-высокий
МеждународныйISOCuAl11Ni5Fe5Высокий

3.2 Chemical Composition Comparison

Table 4: Chemical Composition Comparison of C95500 and Its Direct Equivalents (%)

СплавСтандартAlС участиемFePbMnNiА такжеДругие
C95500АСТМА10.5-11.5Рем.3,0-5,000,03 макс.3,5 макс.3,0-5,500,5 макс.Zn≤0.3
CuAl11Fe5Ni5НА10.0-12.0Рем.4.0-6.000,02 макс.2,0 макс.4.0-6.000,5 макс.Zn≤0.5
CA105BS10.0-11.5Рем.4.0-5.500,01 макс.2,0 макс.4.5-6.00.3 макс.Zn≤0.5
CAC707JIS10.0-12.0Рем.3,0-5,000,05 макс.2,0 макс.4.0-6.00.6 maxZn≤1.0
ZCuAl11Ni5Fe5ГБ10.0-12.0Рем.4.0-6.000,02 макс.2,0 макс.4.0-6.000,5 макс.Zn≤0.5

3.3 Mechanical Properties Comparison

Table 5: Mechanical Properties Comparison of C95500 and Direct Equivalents

СплавПрочность на растяжение (МПа)Предел текучести (МПа)Удлинение (%)Твердость (HB)
C95500 (ASTM)650-760280-34015-25170-220
CuAl11Fe5Ni5 (EN)650-750280-35015-22170-220
CA105 (BS)650-750280-33515-20175-220
CAC707 (JIS)620-730270-33015-20165-215
ZCuAl11Ni5Fe5 (GB)650-750280-34015-22170-220

4. Alternative Material Categories

4.1 Other Aluminum Bronze Grades

Table 6: Alternative Aluminum Bronze Grades Comparison

СплавUNS#Ключевые различияОтносительная стоимостьРейтинг производительности
C95800C95800Lower Al, higher Ni, better corrosion resistance110%Очень высоко
C95400C95400Lower Ni, reduced strength and corrosion resistance85%Средне-высокий
C95900C95900Higher Al, increased hardness, less ductile105%Высокий
C63000C63000Different Al-Ni ratio, higher strength115%Очень высоко
C63200C63200Lower Al, better ductility, similar strength110%Высокий

4.2 Nickel Aluminum Bronze Equivalents

Table 7: Nickel Aluminum Bronze Equivalents

СплавUNS#Key CompositionКлючевые свойстваCost Ratio to C95500Best Applications
C95800C95800Cu-9Al-4Fe-4NiSuperior seawater corrosion110%Marine propellers, valves
C95700C95700Cu-12Al-6Fe-2NiHigher hardness, lower ductility95%Подшипники для тяжелых условий эксплуатации
C96900C96900Cu-16Al-3Fe-4NiVery high strength and wear resistance130%Aerospace components
C96400C96400Cu-11Al-6Fe-3Ni-3MnОтличная износостойкость105%Sliding components
C95520C95520Cu-11Al-4Fe-5Ni-SiEnhanced machinability105%Precision components

4.3 Alternative Material Categories

Table 8: Non-Aluminum Bronze Alternative Materials

Material CategoryExample GradeComparative PerformanceCost RatioApplication Overlap
Manganese BronzeC86300Lower corrosion resistance, similar strength80%Середина
Нержавеющая сталь17-4PHHigher strength, lower friction90%Средне-высокий
Никелевые сплавыМонель К-500Superior corrosion, higher strength, higher cost175%High for marine
Duplex SS2205Good corrosion, lower wear resistance95%Середина
Титановые сплавыТи-6Ал-4ВHigher strength-to-weight, much higher cost250%Середина

5. Cost-Performance Analysis

5.1 Relative Material Cost Index

Table 9: Relative Material Cost Index (C95500 = 100)

МатериалСтоимость сырьяСтоимость обработкиTotal Cost IndexCost Trend (2-Year)
C95500100100100Stable
CuAl11Fe5Ni5 (EN)95-10595-10595-105Stable
C95800105-115100-110103-113Slight increase
C9540080-9090-10083-93Stable
C63000110-120105-115108-118Increasing
17-4PH SS85-9595-10588-98Volatile
Монель К-500170-190150-170165-185Increasing

5.2 Performance Rating by Application

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

МатериалМорские приложенияАэрокосмическая промышленностьOil & GasHeavy IndustryOverall Value Rating
C9550098898,5
CuAl11Fe5Ni598898,5
C95800108988,8
C9540076787,0
C6300089898,5
17-4PH SS78887,8
Монель К-500109978,8

6. Manufacturing Considerations

6.1 Processability Comparison

Table 11: Manufacturing Process Suitability (1-10 scale, 10=excellent)

МатериалЛитье в песокЦентробежное литьеКастинг по выплавляемым моделямОбрабатываемостьСвариваемостьHeat Treatment Response
C95500897668
CuAl11Fe5Ni5897668
C95800897678
C95400987757
C63000898659
17-4PH SS678589
Монель К-500677478

6.2 Supply Chain Considerations

Table 12: Supply Chain Factors

МатериалGlobal AvailabilityLead Time (weeks)Supplier DiversityPrice StabilityВозможность вторичной переработки
C95500Средне-высокий4-6Средне-высокийСерединаВысокий
CuAl11Fe5Ni5Средне-высокий4-6Средне-высокийСерединаВысокий
C95800Середина5-8СерединаMedium-LowВысокий
C95400Высокий3-5ВысокийСредне-высокийВысокий
C63000Середина5-7СерединаСерединаВысокий
17-4PH SSВысокий3-5ВысокийСерединаВысокий
Монель К-500Low-Medium8-12Low-MediumНизкийСредне-высокий

7. Application-Specific Equivalence

Table 13: Recommended Alternatives by Application

заявкаFirst ChoiceSecond ChoiceThird ChoiceKey Selection Factor
Marine propellersC95800C95500Монель К-500Seawater corrosion
Valve seatsC95500C6300017-4PHОбычно используемые марки бериллиевой меди следующие:
Aircraft bearingsC95500C63000C95900Strength/durability
Offshore equipmentC95800C955002205 Duplex SSУстойчивость к коррозии
Компоненты насосаC95500C95800C95400Erosion resistance
Gears and pinionsC95500C6300017-4PHFatigue strength
Износные пластиныC95900C95500C86300Abrasion resistance
ВтулкиC95500C95400C95520Load bearing/wear

8. Selection Methodology for Equivalent Materials

Table 14: Decision Matrix for Material Selection

Selection FactorМассаC95500CuAl11Fe5Ni5C95800C95400C6300017-4PH SS
Mechanical strength20%888799
Устойчивость к коррозии25%889787
Обычно используемые марки бериллиевой меди следующие:20%998897
Экономическая эффективность15%776867
Обрабатываемость10%666765
Доступность10%776978
Weighted Score100%7,857,857.707.457.957.40

9. Regional Market Availability and Pricing Trends

Table 15: Regional Availability and Price Variations

ОбластьC95500 AvailabilityPrice IndexLeading SuppliersImport Considerations
North AmericaВысокий100Columbia Metals, Concast MetalsDomestic supply robust
ЕвропаСредне-высокий105-115KME, Lebronze alloysEU material certifications
КитайСредне-высокий85-95Various foundriesQuality verification critical
ЯпонияСередина115-125Mitsubishi Materials, JX NipponPremium quality, higher cost
ИндияСередина90-100Multiple foundriesQuality consistency variable
Middle EastLow-Medium120-130Mostly importedImport duties, lead times
АвстралияСередина115-125Regional distributorsTransport costs significant

Table 16: Five-Year Price Trend Analysis (Index: 2020=100)

ГодC95500C95800C95400C6300017-4PH SSCopper IndexNickel Index
2020100100100100100100100
2021120125118122110125135
2022135142130138118135150
2023130138125132120130145
2024125132120128115125140
2025*122130115125112120135

*Projected values

10. Conclusion and Procurement Recommendations

C95500 nickel-aluminum bronze offers exceptional performance in demanding applications requiring a combination of high strength, excellent wear resistance, and good corrosion properties. The most direct equivalent alternatives are found in the European standard CuAl11Fe5Ni5 and the Chinese standard ZCuAl11Ni5Fe5, which offer very similar performance characteristics with minimal cost variations.

For applications requiring superior seawater corrosion resistance, C95800 provides enhanced performance at a modest 5-10% cost increase. For less demanding applications, C95400 offers good performance at approximately 10-15% lower cost and greater availability. C63000 presents a viable alternative for applications requiring higher strength, though at a slightly higher cost.

For procurement professionals, the following strategic recommendations apply:

  1. Always request material certification documentation with chemical analysis to verify composition compliance
  2. Consider total cost of ownership including lifecycle maintenance and replacement costs
  3. Develop relationships with multiple qualified suppliers to ensure supply chain resilience
  4. For critical marine applications, verify specific corrosion performance data in relevant environments
  5. Monitor nickel prices as a leading indicator, as nickel content significantly impacts material cost
  6. Implement material equivalence approval protocols to facilitate substitutions when necessary
  7. Consider regional pricing variations when sourcing for large projects
  8. For high-volume applications, evaluate the feasibility of long-term supply agreements to stabilize pricing
  9. Maintain safety stock of critical components during periods of commodity price volatility

By carefully evaluating the equivalence factors presented in this analysis, procurement specialists and engineers can make informed decisions when selecting alternatives to C95500 aluminum bronze, balancing performance requirements with cost considerations and ensuring supply chain resilience in a dynamic market environment.