The product high hardness, wear low, good toughness and broken less, in use process sphere surface hardness. High Chrome Alloyed Cast Grinding ... ;g )P :0.15max;h )S :0.15max;High and low chromium alloy micro section widely used in cement building materials ... industries of powder preparation and superfine processing. The product high hardness, wear low, good toughness and broken less, in use process ...