1. Chemical Composition

The C95800 nickel aluminum bronze alloy follows strict compositional requirements as per ASTM B150/B150M standard:

ElementComposition 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:

PropertyValueUnit
Tensile Strength585-760MPa
Yield Strength245-485MPa
Elongation15 (min)%
Hardness160-190Brinell
Impact Strength34Joules
Density7.64g/cm³

3. Standard Dimensions

Common available sizes for C95800 tubes:

Outer Diameter (mm)Wall Thickness (mm)Length (m)
15.88 – 25.41.65 – 3.383 – 6
31.75 – 50.82.11 – 4.783 – 6
63.5 – 101.63.18 – 6.353 – 6
114.3 – 219.14.78 – 12.73 – 6
273.0 – 406.46.35 – 19.13 – 6

4. Physical Properties

PropertyValueUnit
Melting Range1030-1060°C
Thermal Conductivity42W/m·K
Electrical Resistivity13.3μΩ·cm
Thermal Expansion Coefficient16.2μm/m·K
Maximum Operating Temperature315°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:

EnvironmentResistance RatingNotes
SeawaterExcellentSuperior resistance to chloride attack
Fresh WaterExcellentLow corrosion rates
Industrial AtmosphereVery GoodForms protective oxide layer
Acids (mild)GoodDepends on concentration
AlkalisVery GoodSuitable for most alkaline environments

7. Manufacturing Standards

Applicable international standards:

StandardDescription
ASTM B150/B150MStandard Specification for Aluminum Bronze Rod, Bar, and Shapes
ASTM B171/B171MStandard Specification for Copper-Alloy Plate and Sheet
ASTM B467Standard Specification for Welded Copper-Nickel Pipe
MIL-C-24679Military Specification for Copper-Nickel-Aluminum Bronze

8. Quality Testing Requirements

Test TypeMethodFrequency
Chemical AnalysisSpectrographic AnalysisPer Heat
Mechanical TestingTensile TestPer Lot
Dimensional CheckPrecision Measurement100%
Non-destructive TestingUltrasonic TestingAs Required
Hydrostatic TestPressure Testing100%

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:

AspectRequirement
TemperatureRoom temperature
Humidity< 60% relative humidity
Storage PositionHorizontal on suitable racks
ProtectionCover from dust and debris
IdentificationClear marking and tagging

11. Certifications Required

Common certification requirements:

Certificate TypeDescription
Material Test Certificate (EN 10204 3.1)Chemical and mechanical properties
Manufacturing Process CertificateProduction process details
Quality System CertificateISO 9001:2015 compliance
Non-destructive Test ReportsAs per customer specification
Third-Party Inspection ReportsWhen required

12. Maintenance Recommendations

Maintenance AspectFrequencyAction
Visual InspectionQuarterlyCheck for surface defects
Thickness MeasurementAnnuallyUltrasonic testing
CleaningAs neededRemove deposits
Corrosion CheckSemi-annuallyInspect 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.