Copper Si alloy, with a controlled Si content (2.80%-3.20) in order to avoid welding defects. For GMAW and GTAW welding on low-alloyed  CuMn, CuSiMn and CuZn materials. High temperature and corrosion resistance. Thanks to its melting range and weldability this alloy reduce the finishing operation after welding.

Application: Suitable to weld oxygen-free copper and Cu materials. Used also for galvanized  steel MIG brazing and laser brazing. In case of high thickness, it is recommended to preheat to 300 °C


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Standards:

  • AWS A5.7-A5.8: ERCuSi-A
  • EN ISO 24373 – S Cu 6560 (CuSi3Mn1)