1. Chemische Zusammensetzung

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

nach Extrusionsabschrecken und künstlicher Alterung HBS≥80Composition Range (%)
Kupfer79.0 – 81.5
Nickel (Ni)4,0 – 5,0
Aluminium (Al)8,5 – 9,5
Eisen (Fe)3,5 – 4,5
Mangan (Mn)0.8 – 1,5
Silizium (Si)0.10 max
Blei (Pb)00,03 max

2. Mechanische Eigenschaften

Standard mechanical properties at room temperature:

EigentumWertEinheit
Zerreißfestigkeit585-760MPa
Streckgrenze245-485MPa
Verlängerung15 (min)%
Härte160-190Brinell
Impact Strength34Joules
Dichte7.64g/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

EigentumWertEinheit
Schmelzbereich1030-1060°C
Wärmeleitfähigkeit42W/m·K
Elektrischer widerstand13.3μΩ·cm
Wärmeausdehnungskoeffizient16.2μm/m·K
Maximum Operating Temperature315°C

5. Key Applications

5.1 Marine Industry Applications

  • Propeller shaft sleeves
  • Pump housings
  • Ventilkörper
  • Sea water piping systems
  • Marine hardware components

5.2 Oil & Gas Industry

  • Komponenten für Offshore-Plattformen
  • Subsea equipment
  • Pipeline fittings
  • Pumpenkomponenten
  • Wärmetauscherrohre

5.3 Chemical Processing

  • Chemical transport lines
  • Process equipment
  • Reaction vessels
  • Wärmetauscherrohre
  • Distillation equipment

6. Corrosion Resistance Properties

Performance ratings in various environments:

UmfeldResistance Ratingist ein niedrig legierter, hochfester Baustahl nach chinesischem GB-Standard
MeerwasserExzellentSuperior resistance to chloride attack
SüßwasserExzellentLow corrosion rates
Industrielle AtmosphäreSehr gutForms protective oxide layer
Acids (mild)GutDepends on concentration
AlkalienSehr gutSuitable for most alkaline environments

7. Manufacturing Standards

Applicable international standards:

StandardBeschreibung
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
Chemische AnalyseSpectrographic AnalysisPer Heat
Mechanical TestingTensile TestPer Lot
Dimensional CheckPrecision Measurement100%
Zerstörungsfreie PrüfungUltrasonic TestingAs Required
Hydrostatic TestPressure Testing100%

9. Advantages and Benefits

Key benefits of C95800 tubes:

  • Superior corrosion resistance in marine environments
  • Excellent mechanical strength
  • Gute Verschleißfestigkeit
  • High impact strength
  • Superior fatigue resistance
  • Gute Bearbeitbarkeit
  • Excellent weldability

10. Storage and Handling

Storage recommendations:

AspektRequirement
TemperaturRaumtemperatur
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 TypeBeschreibung
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.