FINOX 4820 AC

Finox 4820 AC is the electrode for joint welding and surfacing on heat-resistant chromium and chromium-nickel steels and cast steels of the same or similar alloy at working temperatures of up to 1,100 °C and rustless, corrosion-resistant molybdenum-free chromium (-nickel) steel and cast steel types. The ferritic-austenitic weld metal is scale-resistant at air and oxidising (combustion) gases up to 1,100 °C and shows good resistance against reducing, sulphur-containing (combustion) gases.

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FINOX 4820 AC

Finox 4820 AC is the electrode for joint welding and surfacing on heat-resistant chromium and chromium-nickel steels and cast steels of the same or similar alloy at working temperatures of up to 1,100 °C and rustless, corrosion-resistant molybdenum-free chromium (-nickel) steel and cast steel types. The ferritic-austenitic weld metal is scale-resistant at air and oxidising (combustion) gases up to 1,100 °C and shows good resistance against reducing, sulphur-containing (combustion) gases.

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Standards:

DIN EN ISO 3581-A E 25 4 R 52
Werkstoff-Nr. 1.4820
1.4710 GX 30 CrSi 7
1.4713 X 10 CrAl 7
1.4724 X 10 CrAlSi 13
1.4740 GX 40 CrSi 17
1.4742 X 10 CrAlSi 18
1.4762 X 10 CrAl 25
1.4821 X 15 CrNiSi 25-4
1.4823 GX 40 CrNiSi 27-4

PA      PB     PC      PD      PF

Type of current AC
DC plus pole
Diameter 2.5 mm
3.25 mm
4.0 mm
Weld Metal Composition C Si Mn Cr Ni Structure
  0.06 % 0.8 % 1 % 26 % 4.5 % Austenite with approx. 20 % ferrite

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