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Electro-Spark Alloying

Electro-Spark Alloying: Technology Overview and Applications

ESA Electrode Types

Electrodes  
Electrode shapes vary with
engineering application

Carbides   Hardface alloys   Ferrous alloys   Corrosion Resistance
Cr3C2 / Ni/Cr   Stellite 1   Steel weld rod   Hastalloy C-22
WC/Co   Stellite 6   A-2 steel rod-blue   Alloy 400
TiC/Ni   Stellite 12   M-2 steel rod-yellow   Monel 190
TiC/Co   Stellite 21   M-42 cobalt steel   Ni 99
VC/Co   Ta-10W   CPM 10V   Moly
TiB2/Ni       D6AC Hatfield steel   Inconel-INA 625
Stainless Alloys   Aluminum alloys   Misc. alloys    
AL6XN Stainless   Al-5356   Ti-6Al-4V    
Stainless 316   Al-4043   Ti-CP Grade 2    
Stainless 309   Al 6061   Cu + P    
Alloy 20       Carbon    
        Graphite    

 

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