C95400 Aluminum Bronze and Its Equivalent Alternatives: Performance and Cost Analysis

1。はじめに

C95400 aluminum bronze is a widely used copper-based alloy valued for its excellent combination of strength, wear resistance, and moderate corrosion resistance in industrial applications. This comprehensive analysis examines C95400 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 applications in marine, industrial equipment, valve components, and general engineering sectors.

2. C95400 Aluminum Bronze: Baseline Specifications

Table 1: Chemical Composition of C95400 Aluminum Bronze (%)

アル	銅	鉄	鉛	ん	で	そして	亜鉛
10.0-11.5	レム。	2.5-4.5	0最大.05	0最大.5	最大1.5	0最大.5	0.8 max
11.0*	83.0*	4.0*	–	0.3*	1.0*	0.2*	0.5*

*Nominal values

Table 2: Mechanical Properties of C95400 Aluminum Bronze

財産	価値	Unit
抗張力	585-690	MPa
降伏強さ	240-310	MPa
伸長	12-20	%
ブリネル硬度	150-190	HB
密度	7.45	g/cm3
弾性率	110	GPa
熱伝導率	50	W/m・K
熱膨張係数	16.4	μm/m・k
電気伝導性	12	% IACS

3. Direct Equivalent Alternatives to C95400

3.1 International Standard Equivalents

Table 3: International Standards Equivalents for C95400

国	標準	指定	等価レベル
アメリカ合衆国	ASTM	米国 C95400	Reference
ヨーロッパ	で	CuAl11Fe4	高い
ドイツ	から	CuAl10Fe3	中～高
イギリス	BS	AB2	高い
日本	彼	CAC406	中～高
中国	GB	ZCuAl10Fe3	高い
ロシア	ゴスト	BrAZh 9-4	中くらい
国際的	ISO	CuAl10Fe3	中～高

3.2 Chemical Composition Comparison

Table 4: Chemical Composition Comparison of C95400 and Its Direct Equivalents (%)

合金	標準	アル	銅	鉄	鉛	ん	で	そして	その他
C95400	ASTM	10.0-11.5	レム。	2.5-4.5	0最大.05	0最大.5	最大1.5	0最大.5	Zn≤0.8
CuAl11Fe4	で	10.0-12.0	レム。	3.0～5.0	0最大.02	最大2.0	最大1.0	0.6 max	Zn≤0.5
AB2	BS	10.0-11.5	レム。	3.0～5.0	0最大.01	最大1.5	最大1.5	0最大.4	Zn≤0.5
CAC406	彼	9.0-11.0	レム。	2.0～4.0	0最大.05	最大1.5	最大1.0	0最大.5	Zn≤1.0
ZCuAl10Fe3	GB	9.0-11.0	レム。	2.5-4.0	0最大.01	0最大.5	最大1.0	0最大.3	Zn≤0.5

3.3 Mechanical Properties Comparison

Table 5: Mechanical Properties Comparison of C95400 and Direct Equivalents

合金	引張強さ(MPa)	降伏強さ(MPa)	伸長（％）	硬度（HB）
C95400 (ASTM)	585-690	240-310	12-20	150-190
CuAl11Fe4 (EN)	600-700	250-320	10-18	160-200
AB2(BS)	580-680	240-300	10-18	150-190
CAC406 (JIS)	550-650	220-280	12-22	140-180
ZCuAl10Fe3 (GB)	570-670	230-300	10-20	145-185

4. Alternative Material Categories

4.1 Other Aluminum Bronze Grades

Table 6: Alternative Aluminum Bronze Grades Comparison

合金	UNS#	アルミニウム(%)	主な違い	相対コスト	パフォーマンス評価
C95500	C95500	10.5-11.5	Contains Ni, higher strength	110%	高い
C95800	C95800	8.5-9.5	Higher Ni, better corrosion resistance	120%	非常に高い
C95900	C95900	11.5-13.0	Higher Al, increased hardness	115%	高い
C95700	C95700	11.0-12.0	Contains Ni, higher strength	115%	高い
C63000	C63000	9.0-11.0	Higher Ni, superior strength	130%	非常に高い

4.2 Other Bronze Alternatives

Table 7: Other Bronze Alternatives

合金	UNS#	Key Composition	主要なプロパティ	Cost Ratio to C95400	Best Applications
C90300	C90300	Cu-Sn-Zn	Good bearing properties, lower strength	90%	Low-pressure applications
C86300	C86300	Cu-Mn-Zn-Fe	High strength, lower corrosion resistance	85%	Wear applications
C93200	C93200	Cu-Sn-Pb-Zn	Excellent bearing properties, lower strength	80%	ベアリングとブッシュ
C95200	C95200	銅-アルミニウム-鉄	Lower Al, improved ductility	95%	General components
C61300	C61300	Cu-Al-Fe-Ni	Higher strength, better corrosion	125%	Marine applications

4.3 Non-Copper Based Alternatives

Table 8: Non-Copper Based Alternative Materials

Material Category	Example Grade	Comparative Performance	Cost Ratio	Application Overlap
Ductile Iron	65-45-12	Higher strength, lower corrosion	45%	中くらい
炭素鋼	1045	Higher strength, poor corrosion	40%	Low-Medium
ステンレス鋼	316	Moderate strength, better corrosion	85%	中～高
アルミニウム合金	7075-T6	Lower weight, less wear resistant	80%	低い
Nickel Aluminum Bronze	C95800	Higher corrosion resistance, more costly	120%	高い

5. Cost-Performance Analysis

5.1 Relative Material Cost Index

Table 9: Relative Material Cost Index (C95400 = 100)

材料	原材料費	処理コスト	Total Cost Index	Cost Trend (2-Year)
C95400	100	100	100	Stable
CuAl11Fe4 (EN)	95-105	95-105	95-105	Stable
C95500	105-115	100-110	103-113	Slight increase
C95800	115-125	105-115	110-120	Increasing
C90300	85-95	90-100	87-97	Stable
316 SS	80-90	85-95	82-92	Volatile
Ductile Iron	40-50	45-55	42-52	Stable

5.2 Performance Rating by Application

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

材料	Marine Pumps	Industrial Valves	General Bearings	Wear Components	Overall Value Rating
C95400	7	8	8	8	7.8
CuAl11Fe4	7	8	8	8	7.8
C95500	8	8	9	9	8.5
C95800	9	9	8	8	8.5
C90300	6	7	8	6	6.8
316 SS	8	7	6	6	6.8
Ductile Iron	4	6	7	6	5.8

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
C95400	9	8	7	7	5	7
CuAl11Fe4	9	8	7	7	5	7
C95500	8	8	7	6	5	8
C95800	8	8	7	6	6	8
C90300	9	8	8	8	7	6
316 SS	6	7	8	5	8	7
Ductile Iron	9	7	5	6	5	8

6.2 Supply Chain Considerations

Table 12: Supply Chain Factors

材料	Global Availability	Lead Time (weeks)	Supplier Diversity	Price Stability	リサイクル性
C95400	高い	3-5	高い	中～高	高い
CuAl11Fe4	高い	3-5	高い	中～高	高い
C95500	中～高	4-6	中～高	中くらい	高い
C95800	中くらい	5-8	中くらい	中くらい	高い
C90300	非常に高い	2-4	非常に高い	高い	高い
316 SS	非常に高い	2-3	非常に高い	中くらい	非常に高い
Ductile Iron	非常に高い	1-3	非常に高い	高い	非常に高い

7. Application-Specific Equivalence

Table 13: Recommended Alternatives by Application

応用	First Choice	2番目の選択	Third Choice	Key Selection Factor
Marine pumps	C95800	C95400	316 SS	耐食性
Industrial valves	C95400	C95500	Ductile Iron	Pressure/temperature rating
プレートを着用してください	C95400	C95900	C86300	Abrasion resistance
Propeller components	C95800	C95400	316 SS	Seawater corrosion
Bearings/bushings	C95400	C93200	C90300	Load capacity/wear
General gears	C95400	C95500	C63000	Strength/durability
Hydraulic components	C95400	C95500	316 SS	Pressure handling
Mining equipment	C95400	Ductile Iron	C86300	Durability/cost

8. Selection Methodology for Equivalent Materials

Table 14: Decision Matrix for Material Selection

Selection Factor	重さ	C95400	CuAl11Fe4	C95500	C95800	316 SS	Ductile Iron
Mechanical strength	20%	7	7	8	8	7	6
耐食性	20%	7	7	8	9	9	4
耐摩耗性	15%	8	8	9	8	6	7
Cost-effectiveness	15%	8	8	7	6	7	9
被削性	10%	7	7	6	6	5	6
キャスタビリティ	10%	9	9	8	8	6	9
可用性	10%	9	9	8	7	9	9
Weighted Score	100%	7.70	7.70	7.85	7.75	7.15	6.75

9. Regional Market Availability and Pricing Trends

Table 15: Regional Availability and Price Variations

地域	C95400 Availability	Price Index	Leading Suppliers	Import Considerations
North America	非常に高い	100	Concast Metals, Advance Bronze	Domestic supply robust
ヨーロッパ	高い	105-110	KME, Wieland	EU material certifications
中国	非常に高い	80-90	Various foundries	Quality verification essential
日本	中～高	110-120	Sambo, Mitsubishi Materials	Premium quality, higher cost
インド	高い	85-95	Multiple foundries	Quality consistency varies
Middle East	中くらい	115-125	Mostly imported	Import duties, longer lead times
オーストラリア	中くらい	110-120	Regional distributors	Transport costs significant

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

Year	C95400	C95500	C95800	316 SS	Copper Index	Aluminum Index
2020	100	100	100	100	100	100
2021	120	122	125	108	125	130
2022	135	138	142	116	135	145
2023	128	132	138	118	130	135
2024年	122	125	132	112	125	130
2025*	118	122	130	110	120	125

*Projected values

10. Conclusion and Procurement Recommendations

C95400 aluminum bronze remains a versatile and widely used alloy for industrial applications requiring good strength, wear resistance, and moderate corrosion performance. The most direct equivalent alternatives are found in the European standard CuAl11Fe4 and the British standard AB2, which offer nearly identical performance characteristics with minimal cost variations.

For applications demanding superior corrosion resistance, particularly in seawater environments, C95800 nickel aluminum bronze offers significant performance advantages that may justify its 10-20% cost premium. For applications prioritizing wear resistance and strength, C95500 provides enhanced performance at a modest cost increase.

For procurement professionals, the following strategic recommendations apply:

Match material selection precisely to application requirements to avoid over-specification and unnecessary costs
Always request material certification documentation to verify composition and properties
Consider total cost of ownership including maintenance cycles, not just initial purchase price
For non-critical, moderate-wear applications in non-corrosive environments, evaluate ductile iron as a potential cost-saving alternative
Maintain relationships with multiple suppliers to ensure competitive pricing and supply continuity
Consider regional price variations when sourcing globally, particularly for large orders
Monitor copper and aluminum commodity price trends as leading indicators of aluminum bronze price movements
Develop standardized material equivalence tables for emergency substitutions

By carefully evaluating the equivalence factors presented in this analysis, procurement specialists and engineers can make informed decisions when selecting alternatives to C95400 aluminum bronze, balancing performance requirements with cost considerations and ensuring supply chain resilience.