The C95800 nickel aluminum bronze alloy follows strict compositional requirements as per ASTM B150/B150M standard:
Element
Composition Range (%)
Copper (Cu)
79.0 – 81.5
Nickel (Ni)
4.0 – 5.0
Aluminum (Al)
8.5 – 9.5
Iron (Fe)
3.5 – 4.5
Manganese (Mn)
0.8 – 1.5
Silicon (Si)
0.10 max
Lead (Pb)
0.03 max
2. Mechanical Properties
Standard mechanical properties at room temperature:
Property
Value
Unit
Tensile Strength
585-760
MPa
Yield Strength
245-485
MPa
Elongation
15 (min)
%
Hardness
160-190
Brinell
Impact Strength
34
Joules
Density
7.64
g/cm³
3. Standard Dimensions
Common available sizes for C95800 tubes:
Outer Diameter (mm)
Wall Thickness (mm)
Length (m)
15.88 – 25.4
1.65 – 3.38
3 – 6
31.75 – 50.8
2.11 – 4.78
3 – 6
63.5 – 101.6
3.18 – 6.35
3 – 6
114.3 – 219.1
4.78 – 12.7
3 – 6
273.0 – 406.4
6.35 – 19.1
3 – 6
4. Physical Properties
Property
Value
Unit
Melting Range
1030-1060
°C
Thermal Conductivity
42
W/m·K
Electrical Resistivity
13.3
μΩ·cm
Thermal Expansion Coefficient
16.2
μm/m·K
Maximum Operating Temperature
315
°C
5. Key Applications
5.1 Marine Industry Applications
Propeller shaft sleeves
Pump housings
Valve bodies
Sea water piping systems
Marine hardware components
5.2 Oil & Gas Industry
Offshore platform components
Subsea equipment
Pipeline fittings
Pump components
Heat exchanger tubes
5.3 Chemical Processing
Chemical transport lines
Process equipment
Reaction vessels
Heat exchanger tubes
Distillation equipment
6. Corrosion Resistance Properties
Performance ratings in various environments:
Environment
Resistance Rating
Notes
Seawater
Excellent
Superior resistance to chloride attack
Fresh Water
Excellent
Low corrosion rates
Industrial Atmosphere
Very Good
Forms protective oxide layer
Acids (mild)
Good
Depends on concentration
Alkalis
Very Good
Suitable for most alkaline environments
7. Manufacturing Standards
Applicable international standards:
Standard
Description
ASTM B150/B150M
Standard Specification for Aluminum Bronze Rod, Bar, and Shapes
ASTM B171/B171M
Standard Specification for Copper-Alloy Plate and Sheet
ASTM B467
Standard Specification for Welded Copper-Nickel Pipe
MIL-C-24679
Military Specification for Copper-Nickel-Aluminum Bronze
8. Quality Testing Requirements
Test Type
Method
Frequency
Chemical Analysis
Spectrographic Analysis
Per Heat
Mechanical Testing
Tensile Test
Per Lot
Dimensional Check
Precision Measurement
100%
Non-destructive Testing
Ultrasonic Testing
As Required
Hydrostatic Test
Pressure Testing
100%
9. Advantages and Benefits
Key benefits of C95800 tubes:
Superior corrosion resistance in marine environments
Excellent mechanical strength
Good wear resistance
High impact strength
Superior fatigue resistance
Good machinability
Excellent weldability
10. Storage and Handling
Storage recommendations:
Aspect
Requirement
Temperature
Room temperature
Humidity
< 60% relative humidity
Storage Position
Horizontal on suitable racks
Protection
Cover from dust and debris
Identification
Clear marking and tagging
11. Certifications Required
Common certification requirements:
Certificate Type
Description
Material Test Certificate (EN 10204 3.1)
Chemical and mechanical properties
Manufacturing Process Certificate
Production process details
Quality System Certificate
ISO 9001:2015 compliance
Non-destructive Test Reports
As per customer specification
Third-Party Inspection Reports
When required
12. Maintenance Recommendations
Maintenance Aspect
Frequency
Action
Visual Inspection
Quarterly
Check for surface defects
Thickness Measurement
Annually
Ultrasonic testing
Cleaning
As needed
Remove deposits
Corrosion Check
Semi-annually
Inspect critical areas
This comprehensive guide provides essential information for engineers, procurement professionals, and technical specialists working with C95800 nickel aluminum bronze tubes. For specific applications or requirements, please consult with qualified metallurgists or engineering professionals.
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