A comprehensive comparison guide for Nickel Aluminum Bronze (NAB) tubes – C95800, C63200, and C95500. Detailed analysis of chemical composition, mechanical properties, corrosion resistance, and application-specific recommendations for marine, chemical processing, and industrial uses.

1. Chemical Composition Analysis

1.1 Primary Chemical Composition

The precise control of alloying elements significantly influences mechanical properties, corrosion resistance, and overall performance. Each element serves specific functions in the alloy:

ÖğeC95800 (%)C63200 (%)C95500 (%)Impact on Properties
Bakır79.0-82.081.0-83.078.0-82.0Base metal matrix
Alüminyum (Al)8.5-9.58.5-9.58.2-9.5Strength enhancement
Nikel (Ni)4.0-5.04.0-4.83.0-5.5Korozyon direnci
Demir (Fe)3.5-4.53.5-4.33.5-4.5Grain refinement
Manganez (Mn)00,8-1,51.2-2.000,8-1,5Deoxidation

1.2 Trace Elements Control

ÖğeC95800C63200C95500Critical Control
Silikon (Si)00,1000,1000,10Fluidity control
Kurşun (Pb)00,0300,0200,03Toxicity limit
Çinko (Zn)00,2000,2000,20Corrosion control
Others Total00,5000,5000,50Quality control

2. Mekanik Özellikler

2.1 Room Temperature Properties

MülkC95800C63200C95500Test Standard
Çekme Dayanımı (MPa)585-760640-720650-790ASTM E8
Akma Dayanımı (MPa)270-380280-380280-450ASTM E8
Uzama (%)15 min15 min15 minASTM E8
Sertlik (Brinell)160-190160-200170-210ASTM E10
Impact Strength (J)343434ASTM E23

2.2 Elevated Temperature Properties

Sıcaklık (°C)MülkC95800C63200C95500
100Çekme Dayanımı (MPa)550650680
100Akma Dayanımı (MPa)250310330
200Çekme Dayanımı (MPa)480600630
300Çekme Dayanımı (MPa)410520550

3. Physical Properties

3.1 Basic Physical Properties

MülkC95800C63200C95500Birimler
Yoğunluk7.647.457.58g/cm³
Erime aralığı1040-10801030-10601045-1080°C
Termal iletkenlik384245W/m·K
Elektriksel Direnç13.513.312.8μΩ·cm
Esneklik Modülü115110113not ortalaması

3.2 Thermal Expansion

Temperature Range (°C)C95800C63200C95500Birimler
20-10016.216.416.2μm/m·K
20-30017.317.517.3μm/m·K

4. Korozyon Direnci

4.1 Corrosion Rates in Various Environments

ÇevreC95800 (mm/year)C63200 (mm/year)C95500 (mm/year)
Deniz suyu00,02500,02500,025
Temiz su0.0130.0130.013
3% NaCl0.0280.0280.028
Endüstriyel Atmosfer0.0080.0080.008

4.2 Environmental Resistance Ratings (1-10 Scale)

ÇevreC95800C63200C95500Notlar
Deniz999All excellent
Kimyasal İşleme878C95800/C95500 preferred
High Temperature788C63200/C95500 preferred
Erosion988C95800 superior
Cavitation878C95800/C95500 better

5. Application Suitability

5.1 Industry-Specific Applications

EndüstriC95800C63200C95500Best Choice
Marine PropulsionHarikaİyiHarikaC95800/C95500
Kimyasal İşlemeÇok güzelİyiHarikaC95500
Oil & GasHarikaÇok güzelHarikaC95800/C95500
Güç üretimiÇok güzelHarikaHarikaC95500
madencilikİyiÇok güzelHarikaC95500

5.2 Service Condition Ratings

Service ConditionC95800C63200C95500Comments
High Pressure8/109/109/10All suitable
High Temperature7/108/109/10C95500 best
Corrosive Media9/108/109/10C95800/C95500
Aşınma direnci8/107/108/10C95800/C95500

6. Manufacturing Considerations

6.1 Processing Parameters

İşlemC95800C63200C95500Notlar
Hot Working Temp (°C)760-870760-870760-870Similar ranges
Annealing Temp (°C)650-750650-750650-750Similar ranges
Stress Relief Temp (°C)350-400350-400350-400Similar ranges
İşlenebilirlik Derecelendirmesi403538(% of C36000)

6.2 Welding Characteristics

Welding ProcessC95800C63200C95500Filler Metal
GTAWHarikaÇok güzelHarikaERCuNiAl
GMAWÇok güzelİyiÇok güzelERCuNiAl
SMAWİyiİyiİyiECuNiAl

7. Selection Guidelines

7.1 Primary Selection Criteria

RequirementBest ChoiceSecond ChoiceNotlar
Highest StrengthC95500C95800For critical applications
Best Corrosion ResistanceC95800C95500Marine environments
Cost EffectivenessC63200C95500Standard applications
High Temperature UseC95500C63200Above 200°C

7.2 Application-Specific Recommendations

  1. Denizcilik Uygulamaları
  • First choice: C95800 for best overall corrosion and erosion resistance
  • Alternative: C95500 when higher strength is required
  • Consider C63200 for cost-sensitive applications
  1. Kimyasal İşleme
  • Primary choice: C95500 for high-temperature applications
  • Alternative: C95800 for superior corrosion resistance
  • C63200 suitable for less demanding conditions
  1. General Industrial Use
  • Standard choice: C63200 for good all-around properties
  • Upgrade to C95500 for higher stress applications
  • Consider C95800 when corrosion resistance is critical

Çözüm

Selection Priorities:

  1. Operating environment conditions
  2. Mechanical property requirements
  3. Temperature service conditions
  4. Manufacturing requirements
  5. Cost considerations

Grade Summary:

  • C95800: Optimal for marine and high-erosion environments
  • C95500: Best for high-strength and high-temperature applications
  • C63200: Cost-effective choice for general industrial use