Direct D856-1 electrode wear high temperature welding electrode wear D856-1 for coal grinding rollers, impact plate, wear plates, shovel teeth, crusher rolls, hammer and so on. Deposited metal electrode grade characteristics Abrasive wear anti-erosion impact abrasion resistance to high temperature (℃) anti-corrosion and wear between the metal hardness (HRC) D856-1 electrode grade drug skin type welding power deposited metal chemical composition table (% ) C Mn Si Cr Ni Mo WV Nb B Co amount of other elements D856-1