ECuAl-A2 Electrode

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ECuAl-A2 Electrode

ECuAl-A2 is a stick welding rod that is commonly used for welding aluminum bronze alloys. It is an electrode with a copper-aluminum alloy core and a flux coating that provides protection from atmospheric contaminants during the welding process.

ECuAl-A2 electrodes are known for their high strength, excellent corrosion resistance, and good weldability. They are often used in marine applications, such as shipbuilding and repair, as well as in the manufacture of valves, pumps, and other industrial equipment.

ECuAl-A2 Electrode Chemical Compositions

The chemical composition of ECuAl-A2 welding electrodes as per AWS A5.6 Specification are:

  • Copper (Cu): Reminder%
  • Aluminum (Al): 6.5-9.5%
  • Iron (Fe): 0.50-5.0%
  • Silicon (Si): 1.5%
  • Lead (Pb): <0.02%
  • Other elements: <0.5%

ECuAl-A2 Electrode Mechanical Properties

The mechanical properties of ECuAl-A2 welding electrodes can vary depending on the specific product and the welding process used. However, some typical mechanical properties of ECuAl-A2 electrodes as per AWS A5.6 (except Yield strength) include:

  • Tensile strength: 410 MPa (60,000 psi)
  • Yield strength: 240 MPa (35,000 psi)
  • Elongation: 20%
  • Hardness: 130-150 HB

ECuAl-A2 Electrode F Number

ECuAl-A2 electrode is listed as an AWS (American Welding Society) F-number 36 in the ASME Section IX.

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ECuAl-A2 Rod characteristics

CuAl-A2 welding electrodes are used to join aluminum bronzes that share similar compositions, as well as high-strength copper-zinc alloys, silicon bronzes, manganese bronzes, nickel alloys, and various ferrous metals and alloys, including combinations of dissimilar metals.

The resulting weld metal is capable of surfacing wear-resistant and corrosion-resistant bearing surfaces, making it ideal for such applications.

ECuAl-A2 Rod applications

ECuAl-A2 welding rod is widely used for welding aluminum bronze alloys, such as nickel aluminum bronze and silicon bronze.

It is also used for welding dissimilar metals, such as copper to steel, and for overlaying or cladding bronze onto steel components.

There are many applications of ECuAl-A2 welding rod, including marine applications like shipbuilding and repair, manufacturing of valves, pumps, and other industrial equipment, repair of castings and forgings made of aluminum bronze alloys, welding of copper to steel components such as pipelines and heat exchangers, and overlaying or cladding of bronze onto steel components for corrosion protection or wear resistance.

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