C63200 aluminum bronze, a high-performance copper-based alloy, is widely used in critical applications across marine, aerospace, oil and gas, and heavy machinery industries. This comprehensive analysis examines C63200 alongside its potential equivalent alternatives, providing detailed comparisons of chemical composition, mechanical properties, manufacturing considerations, and cost-performance ratios. This guide aims to assist procurement specialists, engineers, and material selection professionals in making informed decisions when sourcing materials for demanding applications.
Table 1: Chemical Composition of C63200 Aluminum Bronze (%)
Al
Cu
Fe
Pb
Mn
Ni
Si
8.7-9.5
Rem.
3.5-4.3
0.02 max
1.2-2.0
4.0-4.8
0.1 max
9.0000*
82.0000*
4.0000*
–
1.6000*
4.0000*
–
*Nominal values
Table 2: Mechanical Properties of C63200 Aluminum Bronze
Property
Value
Unit
Tensile Strength
621-950
MPa
Yield Strength
310-365
MPa
Elongation
9-25
%
Brinell Hardness
120-210
HB
Density
7.6
g/cm³
Modulus of Elasticity
110
GPa
Thermal Conductivity
42
W/m·K
Coefficient of Thermal Expansion
16.2
μm/m·K
Electrical Conductivity
7
% IACS
3. Direct Equivalent Alternatives to C63200
3.1 International Standard Equivalents
Table 3: International Standards Equivalents for C63200
Country
Standard
Designation
Equivalence Level
USA
ASTM
UNS C63200
Reference
Europe
EN
CuAl10Ni5Fe4
High
Germany
DIN
CuAl10Ni5Fe4
High
UK
BS
CA106
High
Japan
JIS
CAC702
Medium
China
GB
QAl10-4-4
High
Russia
GOST
BrAZhNMts 9-4-4-1
Medium
International
ISO
CuAl10Fe5Ni5
Medium-High
3.2 Chemical Composition Comparison
Table 4: Chemical Composition Comparison of C63200 and Its Direct Equivalents (%)
Alloy
Standard
Al
Cu
Fe
Pb
Mn
Ni
Si
Others
C63200
ASTM
8.7-9.5
Rem.
3.5-4.3
0.02 max
1.2-2.0
4.0-4.8
0.1 max
–
CuAl10Ni5Fe4
EN
8.5-10.5
Rem.
3.0-5.0
0.02 max
0.5-2.5
4.0-6.0
0.1 max
Zn≤0.5
CA106
BS
8.8-10.0
Rem.
3.0-5.0
0.01 max
0.5-2.0
4.0-5.5
0.1 max
Zn≤0.5
CAC702
JIS
8.5-10.0
Rem.
2.0-4.0
0.05 max
1.5-3.0
4.0-5.5
0.3 max
–
QAl10-4-4
GB
9.0-10.5
Rem.
3.5-5.0
0.01 max
0.5-2.0
4.0-5.0
0.1 max
–
3.3 Mechanical Properties Comparison
Table 5: Mechanical Properties Comparison of C63200 and Direct Equivalents
Alloy
Tensile Strength (MPa)
Yield Strength (MPa)
Elongation (%)
Hardness (HB)
C63200 (ASTM)
621-950
310-365
9-25
120-210
CuAl10Ni5Fe4 (EN)
650-830
300-350
10-20
140-200
CA106 (BS)
640-800
300-340
12-18
140-190
CAC702 (JIS)
590-780
280-330
10-18
130-180
QAl10-4-4 (GB)
640-820
300-350
10-20
140-200
4. Alternative Material Categories
4.1 Other Aluminum Bronze Grades
Table 6: Alternative Aluminum Bronze Grades Comparison
Alloy
UNS#
Al (%)
Key Differences
Relative Cost
Performance Rating
C63000
C63000
9.0-11.0
Higher Al, similar properties
105%
High
C63020
C63020
10.0-11.5
Higher strength, less ductile
110%
High
C62300
C62300
8.5-10.0
Lower Ni, reduced strength
85%
Medium-High
C95400
C95400
10.0-11.5
No Ni, lower corrosion resistance
80%
Medium
C95500
C95500
10.0-11.5
Contains Ni, higher strength
90%
High
4.2 Nickel Aluminum Bronze Alternatives
Table 7: Nickel Aluminum Bronze Alternatives
Alloy
UNS#
Key Composition
Key Properties
Cost Ratio to C63200
Best Applications
C95800
C95800
Cu-9Al-4Fe-4Ni
Higher corrosion resistance
115%
Marine propellers, pumps
C95700
C95700
Cu-12Al-6Fe-2Ni
Higher strength, lower ductility
110%
Heavy-duty bearings
C95900
C95900
Cu-12Al-6Ni-2.5Fe
Excellent wear resistance
120%
Aircraft landing gear parts
4.3 Non-Aluminum Bronze Alternatives
Table 8: Non-Aluminum Bronze Alternative Materials
Material Category
Example Alloy
Key Properties Comparison
Cost Ratio
Compatibility
Phosphor Bronze
C52400
Lower strength, better electrical conductivity
75%
Medium
Manganese Bronze
C86300
Higher strength, lower corrosion resistance
80%
Medium
Silicon Bronze
C87300
Better machinability, lower wear resistance
85%
Medium
Beryllium Copper
C17200
Higher strength, excellent spring properties
180%
Medium-Low
Nickel-Silver
C75200
Lower strength, good corrosion resistance
90%
Low-Medium
4.4 Non-Copper Based Alternatives
Table 9: Non-Copper Based Alternative Materials
Material Category
Example Grade
Comparative Performance
Cost Ratio
Application Overlap
Stainless Steel
316L
Higher strength, lower friction
65%
Medium
Nickel Alloys
Monel 400
Superior corrosion resistance, higher cost
160%
High for marine
Titanium Alloys
Ti-6Al-4V
Higher strength-to-weight, much higher cost
280%
Low-Medium
Engineered Plastics
PEEK
Lightweight, self-lubricating, lower strength
85%
Low
Composite Bearings
PTFE/Fiber
Low friction, limited load capacity
70%
Very Low
5. Cost-Performance Analysis
5.1 Relative Material Cost Index
Table 10: Relative Material Cost Index (C63200 = 100)
Material
Raw Material Cost
Processing Cost
Total Cost Index
Cost Trend (2-Year)
C63200
100
100
100
Stable
CuAl10Ni5Fe4 (EN)
95-105
95-105
95-105
Stable
C63000
100-110
100-105
100-108
Slight increase
C95400
75-85
90-100
80-90
Stable
C95800
110-120
105-115
110-120
Increasing
316L Stainless
55-65
70-80
60-70
Volatile
Monel 400
150-170
140-160
145-165
Increasing
PEEK
160-180
40-50
80-90
Stable
5.2 Performance Rating by Application
Table 11: Performance Rating by Application (1-10 scale, 10=best)
Material
Marine
Oil & Gas
Aerospace
Heavy Machinery
Overall Value Rating
C63200
9
8
8
9
8.5
CuAl10Ni5Fe4
9
8
8
9
8.5
C95400
7
7
6
8
7.5
C95800
9
9
8
8
8.8
316L Stainless
7
7
6
6
7.5
Monel 400
9
9
7
6
7.0
PEEK
6
7
8
5
6.5
6. Manufacturing Considerations
6.1 Processability Comparison
Table 12: Manufacturing Process Suitability (1-10 scale, 10=excellent)
Material
Sand Casting
Centrifugal Casting
Investment Casting
Machinability
Weldability
C63200
9
9
8
7
6
CuAl10Ni5Fe4
9
9
8
7
6
C95400
8
9
7
6
5
C95800
8
9
7
6
6
316L Stainless
6
7
8
5
8
Monel 400
6
7
7
5
7
PEEK
N/A
N/A
N/A
8
N/A
6.2 Supply Chain Considerations
Table 13: Supply Chain Factors
Material
Global Availability
Lead Time (weeks)
Supplier Diversity
Price Stability
C63200
High
4-6
High
Medium
CuAl10Ni5Fe4
High
4-6
High
Medium
C95400
High
3-5
High
Medium
C95800
Medium-High
5-8
Medium
Low-Medium
316L Stainless
Very High
2-4
Very High
Medium
Monel 400
Medium
6-10
Medium
Low
PEEK
Medium
3-5
Medium
High
7. Application-Specific Equivalence
Table 14: Recommended Alternatives by Application
Application
First Choice
Second Choice
Third Choice
Key Selection Factor
Marine bearings
C63200
C95800
Monel 400
Corrosion resistance
Valve components
C63200
CuAl10Ni5Fe4
316L
Pressure handling
Pump bushings
C63200
C95400
C95800
Wear resistance
Gears
C63200
C95500
Hardened steel
Strength
Hydraulic components
C63200
CuAl10Ni5Fe4
PEEK
Pressure capacity
Aircraft fittings
C63200
C95900
Ti-6Al-4V
Weight optimization
Offshore equipment
C63200
C95800
Monel 400
Corrosion resistance
8. Selection Methodology for Equivalent Materials
Table 15: Decision Matrix for Material Selection
Selection Factor
Weight
C63200
CuAl10Ni5Fe4
C95800
316L SS
Monel 400
PEEK
Mechanical strength
20%
9
9
8
8
7
5
Corrosion resistance
25%
8
8
9
7
9
9
Wear resistance
20%
9
9
8
6
7
6
Cost-effectiveness
15%
7
7
6
8
5
6
Availability
10%
8
8
7
9
6
7
Processability
10%
8
8
8
7
6
8
Weighted Score
100%
8.25
8.25
7.85
7.30
6.90
6.75
9. Conclusion and Recommendations
C63200 aluminum bronze remains an excellent material choice for demanding applications requiring a combination of strength, corrosion resistance, and wear properties. The most direct equivalent alternatives are found in the European standard CuAl10Ni5Fe4 and the Chinese standard QAl10-4-4, which offer nearly identical performance characteristics and cost.
For cost-sensitive applications where some performance compromise is acceptable, C95400 aluminum bronze presents a viable alternative at approximately 15-20% lower cost. In highly corrosive environments, particularly seawater applications, C95800 nickel aluminum bronze may justify its 10-20% higher cost through superior longevity.
For procurement professionals, the following recommendations apply:
Request material certification documentation to verify composition and properties
Consider regional availability and lead times in sourcing decisions
Evaluate total cost of ownership including maintenance and replacement frequency
Build relationships with multiple suppliers to ensure material availability
For critical applications, conduct performance testing with alternative materials before full implementation
By carefully evaluating the equivalence factors presented in this analysis, procurement specialists and engineers can make informed decisions when selecting alternatives to C63200 aluminum bronze, balancing performance requirements with cost considerations.
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