D327 in line with GB / T 984 EDRCrMoWV-A1-15 Description: D327 is a low hydrogen sodium type coating CrWMoV Die welding electrodes, DC reverse. Use: welding and cutting tools of various Die, also can be used to repair high wear resistance performance requirements of mechanical parts. Deposited metal chemical composition (%) C Cr Mo WVSP guaranteed ≤0.50 ≤5.00 ≤2.50 7.00 ~ 10.00 ≤1.00 ≤0.035 ≤0.040 :( surfacing layer hardness after welding, air-cooled) HRC≥55 Reference Current (DC +) Electrode Diameter ( mm) f3.2 f4.0 f5.0 welding current (A) 100 ~ 130 130 ~ 160 170 ~ 220 Note: 1. Welding electrodes shall be subject to 300 ~ 350 ℃ baking 1h. 2. before welding workpieces preheated to 300 ℃, in order to avoid cracking.