D207 electrode wear line with GB EDPCrMnSi-A1-15 

 Description: D207 is a low hydrogen sodium type coating CrMnSi type welding electrode, the use of DCRP. 

 Uses: used bulldozer blade welding, propeller and other wear parts. 

 Chemical Composition of Deposited Metal (%) 
 Chemical Composition C Mn Si S P Cr total amount of other elements 
 To ensure that the value of 0.50 ~ 1.00 ≤ 2.50 ≤ 1.00 ≤ 0.035 ≤ 0.035 ≤ 3.50 ≤ 1.00 


 Surfacing layer hardness: HRC ≥ 50 

 Reference Current (DC +) 
 Electrode diameter (mm) φ3.2 φ4.0 φ5.0 
 Welding current (A) 90 ~ 110 140 ~ 160 180 ~ 220 


 Note: 
 1. Welding electrodes shall be subject prior to baking about 300-350 ℃ 1h. 
 2. Large parts should be properly preheated before welding to about 200 ℃, and welding parts of the surface rust and oil removed.