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:
要素 C95800 (%) C63200 (%)C95500 (%) Impact on Properties 銅 79.0-82.0 81.0-83.0 78.0-82.0 Base metal matrix アルミニウム(Al) 8.5-9.5 8.5-9.5 8.2-9.5 Strength enhancement ニッケル(Ni) 4.0-5.0 4.0～4.8 3.0～5.5 耐食性 鉄(Fe) 3.5-4.5 3.5-4.3 3.5-4.5 Grain refinement マンガン(Mn) 0.8-1.5 1.2～2.0 0.8-1.5 Deoxidation
1.2 Trace Elements Control 要素 C95800 C63200 C95500 Critical Control シリコン（Si） 0.10 0.10 0.10 Fluidity control 鉛(Pb) 0.03 0.02 0.03 Toxicity limit 亜鉛(Zn) 0.20 0.20 0.20 Corrosion control Others Total 0.50 0.50 0.50 Quality control
2. 機械的性質 2.1 Room Temperature Properties 財産 C95800 C63200 C95500 Test Standard 引張強さ(MPa) 585-760 640-720 650-790 ASTM E8 降伏強さ(MPa) 270-380 280-380 280-450 ASTM E8 伸長 （％） 15 min 15 min 15 min ASTM E8 硬度（ブリネル） 160-190 160-200 170-210 ASTM E10 Impact Strength (J) 34 34 34 ASTM E23
2.2 Elevated Temperature Properties 温度(℃) 財産 C95800 C63200 C95500 100 引張強さ(MPa) 550 650 680 100 降伏強さ(MPa) 250 310 330 200 引張強さ(MPa) 480 600 630 300 引張強さ(MPa) 410 520 550
3. Physical Properties 3.1 Basic Physical Properties 財産 C95800 C63200 C95500 単位 密度 7.64 7.45 7.58 g/cm3 溶解範囲 1040-1080 1030-1060 1045-1080 ℃ 熱伝導率 38 42 45 W/m・K 電気抵抗率 13.5 13.3 12.8 μΩ・cm 弾性率 115 110 113 GPa
3.2 Thermal Expansion Temperature Range (°C) C95800 C63200 C95500 単位 20～100 16.2 16.4 16.2 μm/m·K 20～300 17.3 17.5 17.3 μm/m·K
4. Corrosion Resistance 4.1 Corrosion Rates in Various Environments 環境 C95800 (mm/year) C63200 (mm/year) C95500 (mm/year) 海水 0.025 0.025 0.025 淡水 0.013 0.013 0.013 3% NaCl 0.028 0.028 0.028 工業的な雰囲気 0.008 0.008 0.008
4.2 Environmental Resistance Ratings (1-10 Scale) 環境 C95800 C63200 C95500 注意事項 マリン 9 9 9 All excellent 化学処理 8 7 8 C95800/C95500 preferred 高温 7 8 8 C63200/C95500 preferred Erosion 9 8 8 C95800 superior Cavitation 8 7 8 C95800/C95500 better
5. Application Suitability 5.1 Industry-Specific Applications 業界 C95800 C63200 C95500 Best Choice Marine Propulsion 素晴らしい 良い 素晴らしい C95800/C95500 化学処理 とても良い 良い 素晴らしい C95500 Oil & Gas 素晴らしい とても良い 素晴らしい C95800/C95500 発電 とても良い 素晴らしい 素晴らしい C95500 マイニング 良い とても良い 素晴らしい C95500
5.2 Service Condition Ratings Service Condition C95800 C63200 C95500 Comments High Pressure 8/10 9/10 9/10 All suitable 高温 7/10 8/10 9/10 C95500 best 腐食性媒体 9/10 8/10 9/10 C95800/C95500 耐摩耗性 8/10 7/10 8/10 C95800/C95500
6. Manufacturing Considerations 6.1 Processing Parameters プロセス C95800 C63200 C95500 注意事項 Hot Working Temp (°C) 760-870 760-870 760-870 Similar ranges Annealing Temp (°C) 650-750 650-750 650-750 Similar ranges Stress Relief Temp (°C) 350-400 350-400 350-400 Similar ranges 被削性評価 40 35 38 (% of C36000)
6.2 Welding Characteristics 溶接工程 C95800 C63200 C95500 フィラーメタル GTAW 素晴らしい とても良い 素晴らしい エルクニアル GMAW とても良い 良い とても良い エルクニアル スマウ 良い 良い 良い ＥＣｕＮｉＡｌ
7. Selection Guidelines 7.1 Primary Selection Criteria Requirement Best Choice Second Choice 注意事項 Highest Strength C95500 C95800 For critical applications Best Corrosion Resistance C95800 C95500 Marine environments Cost Effectiveness C63200 C95500 Standard applications High Temperature Use C95500 C63200 Above 200°C
7.2 Application-Specific Recommendations 海洋用途 First choice: C95800 for best overall corrosion and erosion resistance Alternative: C95500 when higher strength is required Consider C63200 for cost-sensitive applications 化学処理 Primary choice: C95500 for high-temperature applications Alternative: C95800 for superior corrosion resistance C63200 suitable for less demanding conditions 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 結論 Selection Priorities:
Operating environment conditions Mechanical property requirements Temperature service conditions Manufacturing requirements 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 
