D327 die welding electrodes meet the GB EDRCrMoWV-A1-15 
 Description: D327 is a low hydrogen sodium type CrWMoV Die welding electrodes, the use of DCRP. 

 Use: Die and a variety of cutting tools welding can also be used to repair high wear resistance requirements of mechanical parts. 

 Chemical Composition of Deposited Metal (%) chemical composition of CSP Mo Cr VW 
 Guaranteed value ≤ 0.50 ≤ 0.035 ≤ 0.040 ≤ 2.50 ≤ 5.00 ≤ 1.00 7.0 ~ 10.0 

 Surfacing layer hardness: (welding followed by air cooling) HRC ≥ 55 
 Reference Current (DC +) electrode diameter (mm) φ3.2 φ4.0 φ5.0 
 Welding current (A) 100 ~ 130 130 ~ 160 170 ~ 220 

 Note: 
 1. Welding electrodes shall be subject to the former is about 300 ℃ -350 ℃ baking 1h. 
 2. Preheating before welding the workpiece to be over 300 ℃ in order to avoid cracking.