Aluminum bronze wire is a strong, golden-hued copper alloy (mostly copper & aluminum) prized for its exceptional resistance to corrosion (especially in seawater), wear, and fatigue, often outperforming steel and stainless steel in harsh marine or acidic environments, used for welding, fasteners, and high-strength, corrosion-resistant components like bearings, bushings, and propellers, offering strength similar to low-alloy steels with good ductility and high hardness.
Key Characteristics:
Composition: Primarily copper (89%) and aluminum (10%), with small amounts of iron, nickel, etc..
Appearance: Distinctive golden color.
Strength: High tensile strength, comparable to low-alloy steels, with good fatigue and creep resistance.
Corrosion Resistance: Excellent, particularly against seawater, acidic, and sulfurous compounds, due to a self-healing aluminum oxide layer.
Wear Resistance: High hardness and wear resistance, making it ideal for bearings and sliding surfaces.
Weldability: Good, often weldable without preheating, though thick sections may need it.
Common Uses:
Welding Filler: For joining aluminum bronze, steel, and dissimilar metals, especially in marine or chemical processing.
Marine: Propellers, pumps, shafts, valve seats, and other components in salt or brackish water.
Industrial: Bushings, bearings, gears, couplings, and wear-resistant overlays.
Fasteners: Due to its strength and corrosion resistance.
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