MAGMAWELD EH 528 HARD FACING ELECTRODE

EH 528 HARD FACING ELECTRODE
 
 
A basic type heavy coated high recovery electrode for depositing primary and eutectic Cr and Nb carbides in austenitic matrix. Suitable for hardfacing of parts subjected to heavy abrasion with moderate impact. Service temperature is maximum 450°C. The typical transverse cracks occurring in such a hard metal is not suitable for applications where impact and shock conditions prevail. Wear coefficient of one layer deposit is 0.5 % with Si 02. The weld metal is machinable only by grinding. Metal recovery of 180%. Suitable to use in hardfacing of cement crushers, cement presses and brick conveyor screws, mixer blades, press screws in the oil industry, bucket lips and teeth in earth moving equipment. Possible to use with both DC and AC.
 
 
Specs
 Heavy Abrasion Moderate Impact
 Non Machinable, Grind Only 
Chrome, Niobium Carbide Matrix 
Easy Strike and Restrike 
Relief Checks in Final Deposit 
Metal Recovery 180% 
 
 
Hardness
63HRc (1st pass)
62HRc (2nd pass)
64HRc (3rd pass) 
 
 
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