C63000 is a high-strength nickel-aluminum bronze alloy engineered for heavy-duty industrial and aerospace applications. Governed by theأستم 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. التكوين الكيميائي
The alloy’s performance is derived from a precise metallurgical balance of Aluminum, Nickel, and Iron.
| عنصر | Symbol | محتوى (٪) |
|---|---|---|
| نحاس | مع | بقية |
| الألومنيوم | ال | 9.0 - 11.0 |
| Nickel (incl. Co) | ني | 4.0 - 5.5 |
| حديد | Fe | 2.0 - 4.0 |
| المنغنيز | Mn | 1.5 Max |
| الزنك | Zn | 0.30 Max |
| القصدير | Sn | 0.20 Max |
2. Mechanical Properties (ASTM B150 Standard)
C63000 offers one of the highest strength-to-weight ratios among copper-based alloys.
| ملكية | القيمة المترية | القيمة الإمبراطورية |
|---|---|---|
| إلى 500 درجة مئوية وتخفيف التوتر | 690 – 900 MPa | 100,000 – 130,000 psi |
| قوة الخضوع (إزاحة 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 |
| معامل المرونة | 117 GPA | 17000 KSI |
3. الخصائص الفيزيائية
| ملكية | Value (Metric) | Value (Imperial) |
|---|---|---|
| سمك 12-300 مم × عرض 200-2300 مم | 7.58 g/cm³ | 0.274 lb/in³ |
| نقطة الانصهار (السائل) | 1,054 °C | 1,930 °F |
| توصيل حراري | 37.7 W/m·K | 21.8 Btu/ft²/ft/hr/°F |
| التوصيل الكهربائي | 7% IACS | 7% IACS |
| السعة الحرارية محددة | 377 J/kg·K | 0.09 وحدة حرارية بريطانية/رطل/درجة فهرنهايت |
4. Fabrication & Thermal Characteristics
C63000 is primarily worked through hot-forming processes and responds well to specific joining techniques.
- القدرة على التصنيع: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 | تعيين |
|---|---|
| أدوات معالجة البلاستيك وقوالب الصب بالضغط | C63000 |
| الفضاء | ايه ام اس 4640 |
| European (EN) | CW307G / CuAl10Ni5Fe4 |
| British (BS) | CA 104 |
| ISO | CuAl10Ni5Fe4 |
6. Technical Performance Features
- المقاومة للتآكل: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
- الفضاء الجوي:Landing gear bushings, sleeve bearings, and actuator components.
- Marine Engineering:Propeller shafts, pump internal components, and marine fasteners.
- Industrial:High-load bushings, valve stems, heavy-duty gears, and wear plates.
- Oil & Gas:Drill collars and blowout preventer (BOP) parts.