1. Composizione chimica

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

ElementoIntervallo di composizione (%)
Rame79.0 – 81.5
Nichel (Ni)4.0 – 5.0
Alluminio (Al)8.5 – 9.5
Ferro (Fe)3,5 – 4,5
Manganese (Mn)0.8 – 1.5
Silicon (Si)0.10 massimo
Piombo (Pb)0.03 massimo

2. Proprietà meccaniche

Standard mechanical properties at room temperature:

ProprietàValoreUnità
Resistenza alla trazione585-760MPa
Resa245-485MPa
Allungamento15 (min)%
Durezza160-190Brinell
Impact Strength34Joules
Densità7.64g/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

ProprietàValoreUnità
Rendimento della resistenza alla trazione1030-1060°C
Conduttività termica42W/m·K
Rendimento della resistenza alla trazione13.3μΩ·cm
Coefficiente di dilatazione termica16.2μm/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
  • Componenti della pompa
  • 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:

AmbienteResistance Ratingè un acciaio strutturale ad alta resistenza a bassa lega standard cinese GB
Acqua di mareEccellenteSuperior resistance to chloride attack
Acqua dolceEccellenteLow corrosion rates
Atmosfera industrialeMolto beneForms protective oxide layer
Acids (mild)BeneDepends on concentration
AlcaliMolto beneSuitable for most alkaline environments

7. Manufacturing Standards

Applicable international standards:

StandardDescrizione
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

Tipo di provaMethodFrequenza
Analisi chimicaSpectrographic AnalysisPer calore
Mechanical TestingTensile TestPer lotto
Dimensional CheckPrecision Measurement100%
Non-destructive TestingTest ad ultrasuoniCome richiesto
Hydrostatic TestPressure Testing100%

9. Advantages and Benefits

Key benefits of C95800 tubes:

  • Superior corrosion resistance in marine environments
  • Excellent mechanical strength
  • Buona resistenza all'usura
  • High impact strength
  • Superior fatigue resistance
  • Buona lavorabilità
  • Excellent weldability

10. Storage and Handling

Storage recommendations:

AspettoRequisito
TemperaturaRoom temperature
Umidità< 60% relative humidity
Storage PositionHorizontal on suitable racks
ProtezioneCover from dust and debris
IdentificationClear marking and tagging

11. Certifications Required

Common certification requirements:

Tipo di certificatoDescrizione
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 AspectFrequenzaAction
Ispezione visivaQuarterlyCheck 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.