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. 化学組成
The alloy’s performance is derived from a precise metallurgical balance of Aluminum, Nickel, and Iron.
| 要素 | Symbol | コンテンツ （％） |
|---|---|---|
| 銅 | 銅 | 残り |
| アルミニウム | アル | 9.0～11.0 |
| Nickel (incl. Co) | で | 4.0～5.5 |
| 鉄 | 鉄 | 2.0 - 4.0 |
| マンガン | ん | 1.5 Max |
| 亜鉛 | 亜鉛 | 0.30 Max |
| 錫 | SN | 0.20 Max |
2. Mechanical Properties (ASTM B150 Standard)
C63000 offers one of the highest strength-to-weight ratios among copper-based alloys.
| 財産 | メトリック値 | 帝国の価値 |
|---|---|---|
| 抗張力 | 690 – 900 MPa | 100,000 – 130,000 psi |
| 耐力 (0.2% オフセット) | 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 |
| 弾性率 | 117GPa | 17,000 ksi |
3。物理的特性
| 財産 | Value (Metric) | Value (Imperial) |
|---|---|---|
| 密度 | 7.58 g/cm³ | 0.274 lb/in³ |
| 融点（液体） | 1,054 °C | 1,930 °F |
| 熱伝導率 | 37.7 W/m·K | 21.8 Btu/ft²/ft/hr/°F |
| 電気伝導性 | 7% IACS | 7% IACS |
| 比熱容量 | 377 J/kg·K | 0.09 Btu/ポンド/°F |
4. Fabrication & Thermal Characteristics
C63000 is primarily worked through hot-forming processes and responds well to specific joining techniques.
- 機械加工性: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 |
|---|---|
| 私たち | C63000 |
| 航空宇宙 | AMS 4640 |
| European (EN) | CW307G / CuAl10Ni5Fe4 |
| British (BS) | CA 104 |
| ISO | CuAl10Ni5Fe4 |
6. Technical Performance Features
- 耐食性: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
- 航空宇宙:Landing gear bushings, sleeve bearings, and actuator components.
- Marine Engineering:Propeller shafts, pump internal components, and marine fasteners.
- 産業用:High-load bushings, valve stems, heavy-duty gears, and wear plates.
- Oil & Gas:Drill collars and blowout preventer (BOP) parts.