C63000 is a high-strength nickel-aluminum bronze alloy engineered for heavy-duty industrial and aerospace applications. Governed by theАСТМ Б150/Б150Мstandard for rods, bars, and shapes, this alloy is characterized by its exceptional mechanical properties, resistance to seawater corrosion, and stability at elevated temperatures.
1. Химический состав
The alloy’s performance is derived from a precise metallurgical balance of Aluminum, Nickel, and Iron.
| Элемент | Условное обозначение | Содержание (%) |
|---|---|---|
| Медь | С участием | который представляет собой продукт из высококачественного алюминиевого сплава, изготовленный путем термообработки и предварительного растяжения. |
| Алюминий | Al | 9,0 – 11,0 |
| Nickel (incl. Co) | Ni | 4,0 – 5,5 |
| Железо | Fe | 2,0 – 4,0 |
| Марганец | Mn | 1.5 Max |
| Цинк | Zn | 0.30 Max |
| Олово | Sn | 0.20 Max |
2. Mechanical Properties (ASTM B150 Standard)
C63000 offers one of the highest strength-to-weight ratios among copper-based alloys.
| Имущество | Метрическое значение | Имперская ценность |
|---|---|---|
| Предел прочности | 690 – 900 MPa | 100,000 – 130,000 psi |
| Предел текучести (смещение 0,2%) | 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 |
| Модуль упругости | 117 ГПа | 17 000 кв |
3. Физические свойства
| Имущество | Value (Metric) | Value (Imperial) |
|---|---|---|
| Плотность | 7,58 г/см³ | 00,274 фунта/дюйм³ |
| Точка плавления (жидкость) | 1,054 °C | 1,930 °F |
| Формование и изгиб | 37.7 W/m·K | 21.8 Btu/ft²/ft/hr/°F |
| Электрическая проводимость | 7% IACS | 7% IACS |
| Удельная теплоемкость | 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.
- Обрабатываемость: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 | Обозначение |
|---|---|
| нас | C63000 |
| Аэрокосмическая промышленность | АМС 4640 |
| European (EN) | CW307G / CuAl10Ni5Fe4 |
| British (BS) | CA 104 |
| ISO | CuAl10Ni5Fe4 |
6. Technical Performance Features
- Устойчивость к коррозии: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
- Аэрокосмическая промышленность:Landing gear bushings, sleeve bearings, and actuator components.
- Marine Engineering:Propeller shafts, pump internal components, and marine fasteners.
- Промышленный:High-load bushings, valve stems, heavy-duty gears, and wear plates.
- Oil & Gas:Drill collars and blowout preventer (BOP) parts.