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2021-7-20 · polycrystalline cubic boron nitride is an optimal material to cut ferrous metals, because pcbn is thermally stable up to approximately 1200℃ and has high resistance to chemical attack, so when pcbn inserts occur extreme temperatures for machining hard ferrous metals, it performed perfectly and can be used to promote self-induced hot cutting, so pcbn inserts are widely used for iron based alloy machining such as cast iron and hardened steel…
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