D842 cobalt-based electrodes 
 Model: GB / T EDCoCr-D-03 pretty: JIS DF-CoCrC 
 Description: 4 low-carbon cobalt-based cobalt chromium tungsten alloy core welding electrode welding, the use of DCRP, deposited metal can be maintained even at 800 ℃, thermal fatigue and corrosion resistance. 
 Uses: Used to withstand impact and high temperature conditions, hot and cold welding parts staggered, such as hot forging die, the valve sealing surface, with good performance. 
 Surfacing hardness HRC: 28-35 

 Hammer crusher with wear-resistant electrode