4820 AC

elektrody_2
SMAW Stick electrodes
High Chromium electrode for high temperature applications.
Cap layers for joining refractory Cr-Al-Si steels. Cladding corrosion resistant overlays. Cladding heat resistant overlays up to 1150ºC. Cladding components in a sulphurous environment.
Ceweld 4820 AC is an AC-weldable fully core-wire alloyed electrode for fabrication and repair welding on equal or similar, corrosion and heat-resistant steels and steel-castings. The weld-deposit is on equal base-material scale-resistant and, by reason of its low nickel-content, resistant against attack of sulphurous gases at higher temperatures up to 1150°C. When welding Ceweld 4820 AC low heat-input is required as alloys of such chemistry are sensitive to embrittlement at 600-800°C. The interpas temperature should not exceed 300°C.
  • AWS:A 5.4: ~E 2504-17
  • EN ISO:3581-A: E 25 4 R 12
  • DIN: W.Nr1.4820
  • DIN:8556: E 25 4 MP R 23

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