D172 electrode wear line with GB EDPCrMo-A3-03 

 Description: D172 titanium calcium type of CrMo-type welding electrodes can be AC and DC. When welding arc stability, easy slag removal, process performance is better. 

 Uses: welding gear, dredging bucket, tractor scraper, deep plowing plow, mining machinery, and other wear parts. 

 Chemical Composition of Deposited Metal (%) 
 Chemical composition of C Mo Cr 
 Guaranteed value ≤ 0.50 ≤ 2.50 ≤ 2.50 


 Surfacing layer hardness: HRC ≥ 40 

 Reference current (AC, DC) 
 Electrode diameter (mm) φ3.2 φ4.0 φ5.0 
 Welding current (A) 90 ~ 120 150 ~ 180 190 ~ 230 


 Note: 
 1. Welding electrodes shall be subject to 150 ℃ or so before baking 1h. 
 2. Large parts should be properly preheated before welding to about 300 ℃, and welding surface rust and oil removed.