MaxCore 309

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General characteristics

MaxCore 309 flux-cored wire is used for welding 25%Cr-12%Ni stainless steels and welding dissimilar alloys. The higher carbon content of 0.04-0.08% in this electrode helps in high temperature applications. It is used in refineries, petro-chemicals and processing equipments. It is used in a big way in dissimilar joints between carbon and stainless steels and also between carbon and low alloy steels. It has also substantial application as first layer of overlay in cladding carbon steels.

Applications

MaxCore 309 can be used in dissimilar joints or weld like 410, 304L, 321 and 316L to mils and low alloy steels. Also can be used as buffer layers and clad steels – overlays on CMn, mils steel or low alloy steels.

Characteristics

MaxCore 309 flux cored wire is welded in all position welding to be used with CO2or Argon + CO2 mixed shielding gases. This wire benefits from a fast freezing slag system which assist the operator when welding out of position and performs equally well when welding in the flat and horizontal positions.

Welding Position

1G , 3G

Shielding Gas

100%Co2 or 75-80% Ar/Bal.Co2 at 275-400 cc/sec (35-50 cfh)