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.
1. 화학성분
The alloy’s performance is derived from a precise metallurgical balance of Aluminum, Nickel, and Iron.
| 요소 | 상징 | 콘텐츠 (%) |
|---|---|---|
| 구리 | 와 함께 | 나머지 |
| 알류미늄 | 알 | 9.0 – 11.0 |
| Nickel (incl. Co) | Ni | 4.0 – 5.5 |
| 철 | 철 | 2.0 – 4.0 |
| 망간 | 미네소타 | 1.5 Max |
| 아연 | 아연 | 0.30 Max |
| 주석 | Sn | 0.20 Max |
2. Mechanical Properties (ASTM B150 Standard)
C63000 offers one of the highest strength-to-weight ratios among copper-based alloys.
| 재산 | 메트릭 값 | 제국 가치 |
|---|---|---|
| 인장 강도 | 690 – 900 MPa | 100,000 – 130,000 psi |
| 항복 강도(0.2% 오프셋) | 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 |
| 탄성계수 | 117GPa | 17,000 KSI |
3. 물리적 특성
| 재산 | Value (Metric) | Value (Imperial) |
|---|---|---|
| 밀도 | 7.58 g/cm³ | 0.274 lb/in³ |
| 녹는 점 (액체) | 1,054 °C | 1,930 °F |
| 열 전도성 | 37.7 W/m·K | 21.8 Btu/ft²/ft/hr/°F |
| 전기 전도도 | 7% IACS | 7% IACS |
| 비열용량 | 377 J/kg·K | 0.09Btu/lb/°F |
4. Fabrication & Thermal Characteristics
C63000 is primarily worked through hot-forming processes and responds well to specific joining techniques.
- 가공성: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 | 지정 |
|---|---|
| 표준 및 화학 성분 | C63000 |
| 항공우주 | AMS 4640 |
| European (EN) | CW307G / CuAl10Ni5Fe4 |
| British (BS) | CA 104 |
| ISO | CuAl10Ni5Fe4 |
6. Technical Performance Features
- 내식성: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
- 항공우주:Landing gear bushings, sleeve bearings, and actuator components.
- Marine Engineering:Propeller shafts, pump internal components, and marine fasteners.
- 산업 :High-load bushings, valve stems, heavy-duty gears, and wear plates.
- Oil & Gas:Drill collars and blowout preventer (BOP) parts.