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KBN25M

淬火鋼、高硬度合金鋼的通用領域的穩(wěn)定加工。
高耐熱性CBN覆膜耐熱性涂層；母材硬度27GPa，抗折強度1000GPa。
CBN是由硬度僅次于金剛石的立方晶體氮化硼粒子在高溫高壓下燒結而成的多結晶CBN(立方晶體氮化硼)刀具。

 

CBN(立方晶體氮化硼)

黑紅色

中碳鋼和高碳鋼C>0.25%，硬度<220HB(<25HRC),ST52, S355JR, C35, GS60, Cf53;
合金鋼和工具鋼C>0.25%，硬度<330HB(<35HRC),16MnCr5, Ck45, 緊固件用合金鋼21CrMoV5-7, 高硫中碳易切削鋼38SMn28,40MnB,20MnCr5,55#鋼;
合金鋼和工具鋼C>0.25%，硬度340-450HB(35-48HRC),軸承鋼100Cr6, 調質鋼30CrNiMo8, 齒輪鋼42CrMo4, 彈簧鋼C70W2, 高速工具鋼S6525, 高錳鋼X120Mn12;
硬化材料 48-55HRC;
硬化材料 56-63HRC;

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