GENERAL TECHNICAL INFORMATION CERAMIC INSERTS AW20 (Al2O3+ZrO2) • Excellent wear resistant grade with high■ chemical stability and temperature resistance. • For high speed continuous turning of cast iron. • For finishing applications on hardened steels and other hard materials. AB2010 (Al2O3+TiCN) with TIN PVD Coat • Excellent wear resistance with extended tool life compared to uncoated ceramic grades. • TIN coating makes it easy to identify■ used corners. • Successful application of ceramic inserts on hard materials can provide significant cost advantage compared to CBN. • The combination of this ceramic grade with TIN PVD coating provides improved wear resistance and fracture toughness. • Application area is in the finish machining of hardened steels and cast iron.■ AB20 (Al2O3+TiCN) • High wear resistant grade with excellent cutting edge stability. • For high speed continuous turning of hardened steels and other hard materials. • For cast iron finishing applications.■ 1161