C63000 Nickel Aluminum Bronze (NAB) is a premium-grade copper alloy containing aluminum, nickel, and iron, designed for extreme mechanical strength, superior corrosion resistance, and long service life.
Compared with standard aluminum bronzes like C61000 and C61300, C63000 offers:
Much higher strength
Outstanding resistance to seawater and cavitation
Exceptional fatigue and impact resistance
It is widely used in aerospace components, marine propulsion systems, and critical industrial applications.
Chemical Composition (%)
| Element | Content (%) |
|---|---|
| Copper (Cu) | 79.0 – 83.0 |
| Aluminum (Al) | 9.0 – 11.0 |
| Nickel (Ni) | 4.0 – 6.0 |
| Iron (Fe) | 3.0 – 5.0 |
| Manganese (Mn) | ≤ 1.5 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 760 MPa |
| Yield Strength | ≥ 350 MPa |
| Elongation | ≥ 10% |
| Hardness | 170 – 220 HB |
Physical Properties
| Property | Value |
|---|---|
| Density | 7.6 g/cm³ |
| Electrical Conductivity | ~10% IACS |
| Thermal Conductivity | ~45 W/m·K |
| Melting Range | 1020 – 1050°C |
Key Features & Advantages
✔ Ultra-High Strength & Fatigue Resistance
C63000 provides superior tensile and yield strength, suitable for high-load and high-impact environments.
✔ Exceptional Seawater Corrosion Resistance
Highly resistant to:
Seawater corrosion
Biofouling
Chloride attack
Cavitation erosion
✔ Outstanding Wear & Galling Resistance
Ideal for sliding, rotating, and friction components under heavy load.
✔ Long Service Life
Extended durability reduces maintenance cost and downtime.
Product Forms & Specifications
Available Forms
Round Bar / Square Bar / Flat Bar
Plate / Sheet
Seamless Tube / Pipe
Forged Components
Standard Sizes
| Form | Metric Size | Imperial Size |
|---|---|---|
| Bar | Ø10 – 500 mm | 3/8" – 20" |
| Plate | 6 – 150 mm | 1/4" – 6" |
| Tube | OD 25 – 800 mm | 1" – 32" |
Dimensional Tolerances
ASTM / EN / DIN compliant
Precision machining tolerances available
Equivalent Grades
| Standard | Grade |
|---|---|
| ASTM | C63000 |
| SAE | 630 |
| AMS | 4640 |
| EN | CuAl10Ni5Fe4 |
| DIN | 2.0966 |
Applications
C63000 Nickel Aluminum Bronze is widely used in:
Marine Engineering
Ship propellers
Pump shafts
Seawater valves
Offshore platforms
Aerospace Industry
Landing gear components
Bushings and bearings
Structural fittings
Oil & Gas
Valve seats
Pump components
Corrosion-resistant parts
Defense & Heavy Industry
High-load gears
Wear-resistant components
Hydraulic systems
Comparison with Other Aluminum Bronze Grades
| Grade | Strength | Corrosion Resistance | Application Level |
|---|---|---|---|
| C61000 | Medium | Excellent | General industrial |
| C61300 | High | Good | Heavy-duty |
| C63000 | Ultra High | Outstanding | Aerospace / Marine |
Inspection & Quality Assurance
We apply strict quality control standards:
Spectrometer chemical analysis
Mechanical testing (tensile / yield / hardness)
Ultrasonic Testing (UT)
Eddy current & NDT inspection
Dimensional accuracy inspection
Third-party inspection: SGS / BV / TUV
Certification: EN 10204 3.1 MTC
Product Delivery Standards
Packaging: Seaworthy wooden cases / pallets
Surface: Rough machined / polished / customized
Delivery Time: 10–35 days
MOQ: Flexible
Shipping: Sea freight / Air freight / Express
FAQ
Q1: What is C63000 material?
C63000 is a nickel aluminum bronze alloy known for ultra-high strength and excellent seawater corrosion resistance.
Q2: What is the difference between C63000 and C61300?
C63000 contains nickel, providing higher strength, better corrosion resistance, and longer service life.
Q3: Is C63000 suitable for marine use?
Yes, it is one of the best materials for marine and offshore applications.
Q4: What industries use C63000?
Aerospace, marine, oil & gas, and defense industries.
Q5: Can C63000 be machined?
Yes, but due to its strength, it requires proper tooling and machining parameters.
Why Choose Us
Full range of Aluminum Bronze Alloys (C61000 / C61300 / C63000 / C95400)
Advanced forging + CNC machining capabilities
Global export experience
Stable inventory & fast delivery
Competitive pricing
Contact Us
Looking for a reliable C63000 Nickel Aluminum Bronze supplier?
We offer:
Fast quotation within 12 hours
Free technical consultation
Sample support
Custom machining solutions
👉 Send your RFQ now and get the best price!
+8615769214734
office@dongmjd.com
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