GENERAL TECHNICAL INFORMATION CERAMIC INSERTS PHYSICAL PROPERTIES - CERAMIC GRADES Grade AW20 AB20 AB30 AS10 SC10 AS20 Composition Al2O3- Al2O3- Al2O3-ZrO2Ti(C,N)TiCSi3N4 CVD-Si3N4 Si3N4-TiN Density (g/cm3) 4,05 4,30 4,25 3,22 3,22 3,50 HRA 94,0 94,5 94,5 93,6 93,6 93,0 Hardness Vickers 1,800 2,050 2,050 1,700 1,700 1,500 Bending Strength (MPa) 600 650 700 900 900 1,000 APPLICATION DIAGRAM OF CERAMIC GRADES AB2010 AW20 AB20 AB30 SC10 AS10 AS20 Feed 1160 Cutting speed