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:

Yếu tốC95800 (%)C63200 (%)C95500 (%)Impact on Properties
Đồng79.0-82.081.0-83.078.0-82.0Base metal matrix
Nhôm (Al)8,5-9,58,5-9,58.2-9.5Strength enhancement
Niken (Ni)4.0-5.04.0-4.83,0-5,5Chống ăn mòn
Sắt (Fe)3,5-4,53.5-4.33,5-4,5Grain refinement
Mangan (Mn)0.8-1.51.2-2.00.8-1.5Deoxidation

1.2 Trace Elements Control

Yếu tốC95800C63200C95500Critical Control
Silic (Si)0.100.100.10Fluidity control
Lead (Pb)0.030.020.03Toxicity limit
Kẽm (Zn)0.200.200.20Corrosion control
Khác Tổng cộng0.500.500.50Quality control

2. Mechanical Properties

2.1 Room Temperature Properties

Tài sảnC95800C63200C95500Test Standard
Độ bền kéo (MPa)585-760640-720650-790ASTM E8
Sức mạnh năng suất (MPa)270-380280-380280-450ASTM E8
Độ giãn dài (%)15 min15 min15 minASTM E8
Độ cứng (Brinell)160-190160-200170-210ASTM E10
Impact Strength (J)343434ASTM E23

2.2 Elevated Temperature Properties

Nhiệt độ (°C)Tài sảnC95800C63200C95500
100Độ bền kéo (MPa)550650680
100Sức mạnh năng suất (MPa)250310330
200Độ bền kéo (MPa)480600630
300Độ bền kéo (MPa)410520550

3. Physical Properties

3.1 Basic Physical Properties

Tài sảnC95800C63200C95500Units
Tỉ trọng7.647 giờ 457.58g / cm³
Phạm vi nóng chảy1040-10801030-10601045-1080° C
Dẫn nhiệt384245W/m·K
Điện trở suất13,513.312.8μΩ·cm
Mô đun đàn hồi115110113GPa

3.2 Thermal Expansion

Temperature Range (°C)C95800C63200C95500Units
20-10016.216.416.2μm/m·K
20-30017.317,517.3μm/m·K

4. Corrosion Resistance

4.1 Corrosion Rates in Various Environments

Môi trườngC95800 (mm/year)C63200 (mm/year)C95500 (mm/year)
Nước biển0.0250.0250.025
Nước ngọt0.0130.0130.013
3% NaCl0.0280.0280.028
Industrial Atmosphere0.0080.0080.008

4.2 Environmental Resistance Ratings (1-10 Scale)

Môi trườngC95800C63200C95500Ghi chú
Hàng hải999All excellent
Chemical Processingsố 87số 8C95800/C95500 preferred
High Temperature7số 8số 8C63200/C95500 preferred
Erosion9số 8số 8C95800 superior
Cavitationsố 87số 8C95800/C95500 better

5. Application Suitability

5.1 Industry-Specific Applications

Ngành công nghiệpC95800C63200C95500Best Choice
Marine PropulsionXuất sắcTốtXuất sắcC95800/C95500
Chemical ProcessingRất tốtTốtXuất sắcC95500
Oil & GasXuất sắcRất tốtXuất sắcC95800/C95500
Sản xuất điệnRất tốtXuất sắcXuất sắcC95500
MiningTốtRất tốtXuất sắcC95500

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
Hao mòn điện trở8/107/108/10C95800/C95500

6. Manufacturing Considerations

6.1 Processing Parameters

Tiến trìnhC95800C63200C95500Ghi chú
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
Đánh giá khả năng xử lý403538(% of C36000)

6.2 Welding Characteristics

Welding ProcessC95800C63200C95500Filler Metal
GTAWXuất sắcRất tốtXuất sắcERCuNiAl
GMAWRất tốtTốtRất tốtERCuNiAl
SMAWTốtTốtTốtECuNiAl

7. Selection Guidelines

7.1 Primary Selection Criteria

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

7.2 Application-Specific Recommendations

  1. Ứng dụng hàng hải
  • First choice: C95800 for best overall corrosion and erosion resistance
  • Alternative: C95500 when higher strength is required
  • Consider C63200 for cost-sensitive applications
  1. Chemical Processing
  • 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

Phần kết luận

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