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Hard Facing ALLOY-625

Hard Facing ALLOY-625

Flux core wire for self shielded metal open arc welding
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Description

1. Features
  • High strength nickel-based material, used for welding dissimilar steel.
  • Good oxidation resistance at 1000℃ high temperature.
  • High quality fatigue strength, excellent welding performance.
  • Excellent corrosion resistance such as chloride ions, corrosion cracks.
  • Excellent resistance to salt corrosion of seawater, sewage etc.

2. Applications
  • Marine anti-corrosion components.
  • Oxidation and Abrasion of Mixed Acidic Medium Treated by Petrochemical Process.
  • Aircraft duct system, jet exhaust system, Engine thrust steering system.
  • Bellows and expansion joints, Turbine wind guide ring.

3. Typical all-weld metal analysis

    Element           C         Cr        Mo          Nb         Co            Ni     
    Minimum         /      20.0        8.0      3.0       /               / 
    Maximum       0.1        23.0    10.0      4.5     1.0    Balance   


4. Typical all-weld Metal Mechanical properties

 Tensile strength (RM N/mm2)   Yield Strength (RP0.2 N/mm2)   Elongation (%)   Impact strength (J) 
780 500 40 -196℃，70


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


6. Welding Parameters
Wire diameter (mm)        1.2 1.6
Current polarity    DC positive connection       DC positive connection   
Welding Process Open arc welding Open arc welding
Voltage (V) 26-35 26-35
Current (A) 120-200 160-300
Extension length (mm) 25-50 25-50
Shielding gas 100%Ar  100%Ar
Welding position  Flat welding Flat welding