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Nickel Aluminium Bronze is a high-performance copper alloy primarily composed of copper, aluminium (typically 9-11%), nickel (around 4-6%), and iron (about 3-5%). This alloy is known for its exceptional strength, corrosion resistance—especially in seawater—and good wear and fatigue resistance. The aluminium forms a protective oxide film that contributes to its durability in harsh environments. Nickel and iron enhance strength and toughness, making it ideal for demanding marine, aerospace, and industrial applications.
Nickel Aluminium Bronze is a high-performance copper alloy primarily composed of copper, aluminium (typically 9-11%), nickel (around 4-6%), and iron (about 3-5%). This alloy is known for its exceptional strength, corrosion resistance—especially in seawater—and good wear and fatigue resistance. The aluminium forms a protective oxide film that contributes to its durability in harsh environments. Nickel and iron enhance strength and toughness, making it ideal for demanding marine, aerospace, and industrial applications.
Common Nickel Aluminium Bronze grades and their equivalents include:
Common Nickel Aluminium Bronze grades and their equivalents include:
- UNS C63200 (CA104, CW307G)
ISO Symbol: CuAl10Ni5Fe4
Description: A widely used grade with about 10% Al, 5% Ni, and 4-5% Fe, known for strong corrosion resistance and wear properties. Equivalent standards:- IS: Used in India as per ASTM/BS references
- UNS C63000
ISO Symbol: CuAl10Ni5Fe4 (similar to C63200)
Description: Another nickel aluminium bronze is often used in industrial applications with similar composition and properties. - UNS C95400
ISO Symbol: CuAl8Fe3
Description: Aluminium bronze containing about 10-11.5% aluminium, 3-5% iron, and minor nickel, is employed for excellent wear resistance. Equivalent standards: - DEF STAN 02-833 (NES833)
British standard for high-strength aluminium bronze for the navigation and marine industry.
These alloys combine the strength, corrosion resistance, and wear properties of aluminium bronze with the enhanced toughness from nickel and iron, making them suitable for heavy-duty marine propellers, valve components, pump parts, landing gear bushes, and other critical applications.
These alloys combine the strength, corrosion resistance, and wear properties of aluminium bronze with the enhanced toughness from nickel and iron, making them suitable for heavy-duty marine propellers, valve components, pump parts, landing gear bushes, and other critical applications.
ISO symbols follow the copper-aluminium alloy system, such as CuAl10Ni5Fe4 and CuAl8Fe3, identifying key alloying elements and their approximate percentages.
ISO symbols follow the copper-aluminium alloy system, such as CuAl10Ni5Fe4 and CuAl8Fe3, identifying key alloying elements and their approximate percentages.
This comprehensive overview aligns Nickel Aluminium Bronze grades with their international counterparts and ISO classification for ease of specification and global communication.
This comprehensive overview aligns Nickel Aluminium Bronze grades with their international counterparts and ISO classification for ease of specification and global communication.
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