Aluminum Bronze Alloys
Aluminum Bronze Alloys

The aluminum bronzes are a family of copper-based alloys offering a combination of mechanical and chemical properties unmatched by any other alloy series.Used for welding aluminum bronze plate fabrications and for joining dissimilar metals such as cast iron, carbon steels, copper, bronze and copper-nickel materials. Applications include wear surface reconstruction, casting repair and general maintenance, and galvanized sheet metal fabrication when high strength welds are required.

  • Standard Alloy Chemical Composition(%) Solidus Liquidus Application
    AWS A5.7 BS EN14640 ERCuAl-A1 CuAl8 Cu:Balance Ni:≤0.5 Si:0.10 Zn:0.2 Al:6.0-8.5 Fe:≤0.2 Mn:≤0.5 Other:≤0.5 1030℃ 1040℃ Prefer for joining welding of pure and austenitic steel sheet. Maintain good temperament flow and creates seamless welding line. Suggested for the joining welding of copper with steel,particularly suitable for machinery and ship building industry.
    AWS A5.7
    BS EN14640
    ERCuAl-A2 CuAl10 Cu:Balance Ni:≤0.5 Si:0.10 Zn:0.2 Al:8.5-11.0 Fe:0.5-1.5 Mn:≤0.5 Other:≤0.5 1030℃ 1090℃ Particularly suitable for the overlay welding of copper,aluminum,and nickel material with steel. It has increased resistance to wear and abrasion,as well as superior corrosion resistence to seawater. Widely used for ship constructions, apparatus and plumb
    AWS A5.7
    BS EN14640
    ERCuAl-A3 CuAl11Fe Cu:Balance Ni:≤0.5 Si:0.10 Zn:0.10 Al:10.0-11.5 Fe:2.0-4.5 Mn:≤0.5 Other:≤0.5 1030℃ 1045℃ Recommended for the joining and overlay welding of copper-aluminum alloy, aluminum coated steel and cast iron .It has been widely used in shipbuilding, machinery, and the chemical industry. Best for high overlay welding requirement for hardness,resistance
    ISO24373 ERCuNiAl Cu:Balance Ni:4.0-6.0 Al:8.5-9.5 Fe:3.0-5.0 Mn:0.6-3.5 Other:0.5 1015℃ 1045℃ Recommended for the joining and overlaying of copper-aluminum alloy, aluminum coated steel in machinery and chemical industry as well as for iron welding in shipbuilding.
    AWS A5.7 BS EN14640 CuAl8Ni2Fe2Mn2 Cu:Balance Ni:0.5-3.0 Si:0.20 Zn:0.20 Al:7.5-9.5 Fe:0.5-2.5 Mn:0.5-2.5 Other:0.5 1030℃ 1050℃ Particularly suitable for welding casting and forging products of Cu-Al-Ni Material such as propellers,bearing weights,valves,pumps and pipe systems.Very good corrosion resistance to seawater.
    AWS A5.7
    BS EN14640
    ERCuMnNiAl Cu:Balance Ni:1.5-3.0 Si:0.10 Zn:0.15 Al:8.5-9.5 Fe:2.0-4.0 Mn:11-14.0 Other:0.5 945℃ 985℃ Best for the overlay welding of iron-casting and non-alloy steel that especially need corrosion resistance. Also good for overlay welding of cast iron,non-alloy and low-alloy steel that require corrosion resistance.

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