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Hard Facing ALLOY-627

Hard Facing ALLOY-627

Flux core wire for self shielded metal open arc welding
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Description

1. Features
  • Iron based high carbon Cr-C-Nb-Mo-V cemented carbide.
  • The solution deposited metal contains hard composite carbide in the tough matrix, especially in fine grain wear and coarse grain wear.
  • For parts with severe wear and medium impact resistance, high temperature resistance to 700 ℃

2. Applications
  • Vertical grinding rolls and discs in power plants and cement plants.
  • Buckets, teeth and cutting edges for sand and gravel earthwork equipment.
  • Bucket excavator, Crushing equipment, Pump impeller, Fan blade, etc.

3. Typical all-weld metal analysis

    Element         C        Cr       Mn       Nb        Mo        V
    Minimum     4.5      23.0       0.5    1.0    2.0       1.0  
    Maximum     6.0    26.0    2.0    4.0    4.0     3.0   


4. Typical all-weld Metal Mechanical properties
                              Hardness          HRC       
        Welding layer (more than 3 layers)               62~67    


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) 26-32 28-35
Current (A) 150-350 250-450
Extension length (mm) 15-25 25-35
Shielding gas Self shielded  Self shielded 
Welding position  Flat welding Flat welding