C63000 is a high-strength nickel-aluminum bronze alloy engineered for heavy-duty industrial and aerospace applications. Governed by theASTM B150/B150Mstandard for rods, bars, and shapes, this alloy is characterized by its exceptional mechanical properties, resistance to seawater corrosion, and stability at elevated temperatures.
一、化學成分
The alloy’s performance is derived from a precise metallurgical balance of Aluminum, Nickel, and Iron.
| 元素 | Symbol | 內容 （％） |
|---|---|---|
| 銅 | 和 | 餘 |
| 鋁 | 鋁 | 9.0 – 11.0 |
| Nickel (incl. Co) | 你 | 4.0 – 5.5 |
| 鐵 | 鐵 | 2.0 – 4.0 |
| 錳 | 錳 | 1.5 Max |
| 鋅 | 鋅 | 0.30 Max |
| 錫 | 錫 | 0.20 Max |
2. Mechanical Properties (ASTM B150 Standard)
C63000 offers one of the highest strength-to-weight ratios among copper-based alloys.
| 財產 | 度量值 | 帝國價值 |
|---|---|---|
| 抗拉強度 | 690 – 900 MPa | 100,000 – 130,000 psi |
| 屈服強度（0.2% 偏移） | 345 – 550 MPa | 50,000 – 80,000 psi |
| Elongation (in 2″ or 50mm) | 5% – 15% | 5% – 15% |
| Brinell Hardness (3000kg) | 180 – 250 HBW | 180 – 250 HBW |
| 彈性模量 | 117 氣壓 | 17,000 ksi |
3. 物理性能
| 財產 | Value (Metric) | Value (Imperial) |
|---|---|---|
| 密度 | 7.58 g/cm³ | 0.274 lb/in³ |
| 熔點（液體） | 1,054 °C | 1,930 °F |
| 導熱係數 | 37.7 W/m·K | 21.8 Btu/ft²/ft/hr/°F |
| 電導率 | 7％IAC | 7％IAC |
| 比熱容 | 377 J/kg·K | 0.09 BTU/LB/°F |
4. Fabrication & Thermal Characteristics
C63000 is primarily worked through hot-forming processes and responds well to specific joining techniques.
- 可加工性：20% (Relative to C36000 Free Cutting Brass).
- Hot Working Temperature:788°C – 927°C (1450°F – 1700°F).
- Annealing Temperature:593°C – 704°C (1100°F – 1300°F).
- Welding Suitability:Excellent for Gas Shielded Arc (TIG/MIG) and Coated Metal Arc welding; not recommended for Oxyacetylene or Soldering.
5. Comparative Standards
| Region/Standard | 指定 |
|---|---|
| 我們 | C63000 |
| 航天 | AMS 4640 |
| European (EN) | CW307G / CuAl10Ni5Fe4 |
| British (BS) | CA 104 |
| 國際標準化組織 | 銅鋁10鎳5鐵4 |
6. Technical Performance Features
- 耐腐蝕性能：Outstanding resistance to impingement, stress corrosion cracking, and cavitation in seawater and brackish water.
- Anti-Galling Properties:Exceptional metal-to-metal wear characteristics, making it ideal for non-lubricated or poorly lubricated environments.
- Elevated Temperature Strength:Retains significant tensile and yield strength at temperatures up to 300°C (approx. 600°F).
7. Primary Applications
- 航天：Landing gear bushings, sleeve bearings, and actuator components.
- Marine Engineering:Propeller shafts, pump internal components, and marine fasteners.
- 工業的：High-load bushings, valve stems, heavy-duty gears, and wear plates.
- Oil & Gas:Drill collars and blowout preventer (BOP) parts.