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Hard Facing ALLOY-120

Hard Facing ALLOY-120

Flux core wire for self shielded metal open arc welding
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Description

1. Features
  • Austenitic chrome manganese steel.
  • High crack resistance self shielded metal arc surfacing flux cored wire.
  • Austenitic structure, with good work hardening property, can be used as buffer layer.

2. Applications
  • Crack resistant buffer layer, high impact area, repair of high chromium and high manganese castings.
  • Train track, high-speed forming roll.

3. Typical all-weld metal analysis

    Element           C        Cr       Si        Mn         Ni            Fe
    Minimum       0.1     10.0      0.5    13.0        0.2       Balance  
    Maximum       0.3      18.0   1.5    20.0       1.0         Balance


4. Typical all-weld Metal Mechanical properties
                              Hardness          HRB       
        Welding layer (more than 3 layers)             200~240    


5. Wire diameter and Packing method
          Wire diameter (mm)          1.2, 1.6      2.4, 2.8, 3.2     
Packing method
     Reel (EN759:BS 300)   
 Drum
Net weight (KG) 15             250


6. Welding Parameters
Wire diameter (mm)        1.6 2.8
Current polarity    DC reverse connection       DC reverse connection   
Welding Process Open arc welding Open arc welding
Voltage (V) 22-28 29-30
Current (A) 150-280 300-450
Extension length (mm) 18-25 30-35
Shielding gas Self shielded  Self shielded 
Welding position  Flat welding Flat welding