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 (%)

アルそして亜鉛
10.5-11.5レム。3.0~5.00最大.03最大3.53.0~5.50最大.50最大.3
11.0*78.5*4.0*1.0*5.0*0.15*0.1*

*Nominal values

Table 2: Mechanical Properties of C95500 Aluminum Bronze

財産価値Unit
抗張力650-760MPa
降伏強さ280-340MPa
伸長15-25%
ブリネル硬度170-220HB
密度7.5g/cm3
弾性率110GPa
熱伝導率42W/m・K
熱膨張係数16.2μm/m・k
電気伝導性8% IACS

3. Direct Equivalent Alternatives to C95500

3.1 International Standard Equivalents

Table 3: International Standards Equivalents for C95500

標準指定Equivalence Level
アメリカ合衆国ASTMUNS C95500Reference
ヨーロッパCuAl11Fe5Ni5高い
ドイツからCuAl11Ni5Fe5高い
イギリスBSCA105高い
日本CAC707中~高
中国GBZCuAl11Ni5Fe5高い
ロシアゴストBrAZhNMts 11-6-6中~高
国際的ISOCuAl11Ni5Fe5高い

3.2 Chemical Composition Comparison

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

合金標準アルそしてその他
C95500ASTM10.5-11.5レム。3.0~5.00最大.03最大3.53.0~5.50最大.5Zn≤0.3
CuAl11Fe5Ni510.0-12.0レム。4.0-6.00最大.02最大2.04.0-6.00最大.5Zn≤0.5
CA105BS10.0-11.5レム。4.0-5.50最大.01最大2.04.5-6.00最大.3Zn≤0.5
CAC70710.0-12.0レム。3.0~5.00最大.05最大2.04.0-6.00.6 maxZn≤1.0
ZCuAl11Ni5Fe5GB10.0-12.0レム。4.0-6.00最大.02最大2.04.0-6.00最大.5Zn≤0.5

3.3 Mechanical Properties Comparison

Table 5: Mechanical Properties Comparison of C95500 and Direct Equivalents

合金引張強さ(MPa)降伏強さ(MPa)伸長 (%)硬度(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

合金UNS#主な違い相対コストパフォーマンス評価
C95800C95800Lower Al, higher Ni, better corrosion resistance110%非常に高い
C95400C95400Lower Ni, reduced strength and corrosion resistance85%中~高
C95900C95900Higher Al, increased hardness, less ductile105%高い
C63000C63000Different Al-Ni ratio, higher strength115%非常に高い
C63200C63200Lower Al, better ductility, similar strength110%高い

4.2 Nickel Aluminum Bronze Equivalents

Table 7: Nickel Aluminum Bronze Equivalents

合金UNS#Key Composition主要なプロパティCost Ratio to C95500Best Applications
C95800C95800Cu-9Al-4Fe-4NiSuperior seawater corrosion110%Marine propellers, valves
C95700C95700Cu-12Al-6Fe-2NiHigher hardness, lower ductility95%Heavy-duty bearings
C96900C96900Cu-16Al-3Fe-4NiVery high strength and wear resistance130%Aerospace components
C96400C96400Cu-11Al-6Fe-3Ni-3MnExcellent wear resistance105%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
マンガン青銅C86300Lower corrosion resistance, similar strength80%中くらい
ステンレス鋼17-4PHHigher strength, lower friction90%中~高
ニッケル合金モネルK-500Superior corrosion, higher strength, higher cost175%High for marine
Duplex SS2205Good corrosion, lower wear resistance95%中くらい
チタン合金Ti-6Al-4VHigher strength-to-weight, much higher cost250%中くらい

5. Cost-Performance Analysis

5.1 Relative Material Cost Index

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

材料原材料費処理コストTotal 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
モネルK-500170-190150-170165-185Increasing

5.2 Performance Rating by Application

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

材料海洋用途航空宇宙Oil & GasHeavy IndustryOverall Value Rating
C9550098898.5
CuAl11Fe5Ni598898.5
C95800108988.8
C9540076787.0
C6300089898.5
17-4PH SS78887.8
モネルK-500109978.8

6。製造上の考慮事項

6.1 Processability Comparison

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

材料砂型鋳造遠心鋳造インベストメント鋳造被削性溶接性Heat Treatment Response
C95500897668
CuAl11Fe5Ni5897668
C95800897678
C95400987757
C63000898659
17-4PH SS678589
モネルK-500677478

6.2 Supply Chain Considerations

Table 12: Supply Chain Factors

材料Global AvailabilityLead Time (weeks)Supplier DiversityPrice Stabilityリサイクル性
C95500中~高4-6中~高中くらい高い
CuAl11Fe5Ni5中~高4-6中~高中くらい高い
C95800中くらい5-8中くらいMedium-Low高い
C95400高い3-5高い中~高高い
C63000中くらい5-7中くらい中くらい高い
17-4PH SS高い3-5高い中くらい高い
モネルK-500Low-Medium8-12Low-Medium低い中~高

7. Application-Specific Equivalence

Table 13: Recommended Alternatives by Application

応用First Choice2番目の選択Third ChoiceKey Selection Factor
Marine propellersC95800C95500モネルK-500Seawater corrosion
Valve seatsC95500C6300017-4PH耐摩耗性
Aircraft bearingsC95500C63000C95900Strength/durability
Offshore equipmentC95800C955002205 Duplex SS耐食性
ポンプのコンポーネントC95500C95800C95400Erosion resistance
Gears and pinionsC95500C6300017-4PHFatigue strength
Wear platesC95900C95500C86300Abrasion resistance
ブシュC95500C95400C95520Load bearing/wear

8. Selection Methodology for Equivalent Materials

Table 14: Decision Matrix for Material Selection

Selection Factor重さC95500CuAl11Fe5Ni5C95800C95400C6300017-4PH SS
Mechanical strength20%888799
耐食性25%889787
耐摩耗性20%998897
Cost-effectiveness15%776867
被削性10%666765
可用性10%776978
Weighted Score100%7.857.857.707.457.957.40

9. Regional Market Availability and Pricing Trends

Table 15: Regional Availability and Price Variations

地域C95500 AvailabilityPrice IndexLeading SuppliersImport Considerations
North America高い100Columbia Metals, Concast MetalsDomestic supply robust
ヨーロッパ中~高105-115KME, Lebronze alloysEU material certifications
中国中~高85-95Various foundriesQuality verification critical
日本中くらい115-125Mitsubishi Materials, JX NipponPremium quality, higher cost
インド中くらい90-100Multiple foundriesQuality consistency variable
Middle EastLow-Medium120-130Mostly importedImport duties, lead times
オーストラリア中くらい115-125Regional distributorsTransport costs significant

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

YearC95500C95800C95400C6300017-4PH SSCopper IndexNickel Index
2020100100100100100100100
2021120125118122110125135
2022135142130138118135150
2023130138125132120130145
2024年125132120128115125140
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.