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.
| Alloy | Chemical Composition(%) | Solidus | Liquidus | Application | AWS A5.7 | ISO17672 | BS EN 14640 | DIN 1733 |
| CuAl8 | Cu:Bal Si:0.1 Zn:0.2 Al:7.5 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. | ERCuAl-A1 | Cu 561 | CuAl8 | SG-CuAl8 |
| CuAl10 | Cu:Balance Si:0.1 Al:9.5 Fe:1.0 Other:≤0.5 | 1030℃ | 1040℃ | 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 | ERCuAl-A2 | Cu 565 | CuAl10 | SG-CuAl10Fe |
| CuAl11Fe | Cu:Balance Si:0.1 Zn:0.1 Al:11 Fe:3.0 Other:≤0.5 | 1030℃ | 1040℃ | 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 | ERCuAl-A3 | CuAl11Fe | ||
| CuAl8Ni2 | Cu:Balance Ni:2.0 Si:0.5 Zn:0.2 Al:8.0 Fe:1.5 Mn:1.5 Other:0.5 | 1030℃ | 1054℃ | 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. | CuAl8Ni2 | SG-CuAl8Ni2 | ||
| CuAl9Ni5 | Cu:Balance Ni:5.0 Al:9.0 Fe:4.0 Mn:2.0 Si:0.1 Zn:0.1 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. | ERCuNiAl | CuAl9Ni5 | ||
| CuMn13Al8 | Cu:Balance Ni:2.0 Si:0.1 Zn:0.2 Al:8.0 Fe:3.0 Mn:13.0 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. | ERCuMnNiAl | Cu 571 | CuMn13Al7 | SG-CuMn13Al7 |
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