Superabrasive Grinding 101 | Norton Abrasives
12/03/2018 · Cubic boron nitride (CBN) is a superabrasive traditionally used to grind steels and nickel alloys. Though not as hard as diamond (4,500kg/mm 2 vs. 9,000 kg/mm 2 ), CBN is not chemically reactive with ferritebased and nickel alloys, allowing it to outperform diamondbased grinding wheels in life and material removal rates on these materials 1 ...