D638 high chromium cast iron welding electrode surfacing hardness HRC: ≥ 56 
 Description: High chromium cast iron welding electrodes, wear-resistant material with good abrasion resistance, AC-DC dual-use, stable arc, little spatter, almost no residue, high deposition efficiency. 
 Uses: requirements for welding materials with good anti-wear properties of wear resistant parts, such as hoppers, shovel blade, mud, hammer and so on.