... 05.0A90-100120-150160-190 Z408Nickel ferroalloy welding core, strong reducing graphite cast iron welding type medicine leather, high strength, good, ... almost But for ball mill cast iron is strong, z308 to the phosphorous higher cast iron, also have good effect, ... slightly preheat (200 degrees Celsius) or so, gray iron and ball mill iron welding, ac/dc amphibious, arc stability, convenient operation ...