About Alloy
C63000, also known as nickel aluminum bronze, is a high-strength copper alloy renowned for its exceptional corrosion resistance, mechanical properties, and wear resistance. Composed primarily of copper with additions of aluminum, iron, and nickel, C63000 exhibits superior strength and toughness, making it suitable for demanding industrial applications. This alloy is characterized by its excellent resistance to corrosion in seawater and various chemical environments, as well as its ability to withstand wear and abrasion. Commonly used in marine hardware, valve components, and aerospace applications, C63000 nickel aluminum bronze is favored for its reliability and performance in environments where durability and resistance to corrosion are critical.
Product Form
ASTM B-150, B-124, B-171, B-283
SAE J463
QQ-C-465
CW307G
NF L14-705
WS 2.0966
DIN 17672
GAM MM11 CuAl9Ni5Fe2
GAM MM13 CuAl9Ni5Fe4
ISO 428
NFA 51-116
NES 833
NC4
UNS C63000
AMS 4640 Aluminium Bronze Bar, Drawn and Stress releived (HR50) or Temper Annealed (TQ50)
Chemical Composition
| Weight % | Cu | Al | Fe | Mn | Ni | Si | Sn | Zn |
| AMS 4640 | Bal | 9.0-11.0 | 2.0-4.0 | 1.5 | 4.0-5.5 | 0.25 | 0.20 | 0.30 |
Property
| Material | Diameter | Tensile Strength ksi | Yield Strength ksi | Elongation 4D % | Hardness HB |
| AMS 4640 Annealed Bar | <1.0" | 110 | 68 | 10 | 201-248 |
| AMS 4640 Annealed Bar | 1.0" - 2.0" | 110 | 60 | 10 | 201-248 |
| AMS 4640 Annealed Bar | 2.0" - 3.0" | 105 | 55 | 10 | 187-241 |
| AMS 4640 Annealed Bar | 3.0" - 5.0" | 100 | 50 | 10 | 187-241 |
Application
C63000 nickel aluminum bronze is utilized across various industries for its exceptional mechanical properties and corrosion resistance. Key applications include:
● Marine Hardware: Due to its excellent resistance to corrosion in seawater, C63000 is extensively used for marine hardware such as propeller shafts, marine fittings, and valve components.
● Valve Components: The alloy is employed in valve components, including gate valves, ball valves, and pump components, where its high strength, corrosion resistance, and wear resistance ensure reliable operation and longevity.
● Aerospace Components: C63000 nickel aluminum bronze finds use in aerospace applications for landing gear components, bushings, and structural parts due to its strength, corrosion resistance, and fatigue resistance properties.
● Oil and Gas Industry: In the oil and gas sector, C63000 is chosen for valves, pumps, and underwater equipment where its corrosion and erosion resistance in harsh environments are crucial.
● Industrial Machinery: The alloy is suitable for heavy-duty industrial applications such as gears, bearings, and bushings where its high strength and wear resistance contribute to reliable performance under demanding conditions.
● Defense Applications: C63000 is utilized in defense applications for components requiring high mechanical strength, corrosion resistance, and reliability in various military equipment.
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