灰口铸铁U钻刀片ZXMT170608GM PR1210

PR1210

实现灰口铸铁、球墨铸铁的高效率稳定加工。
铸铁用特殊硬质合金母材覆膜耐磨损性、抗氧化性能良好的。
PVD涂层是以PVD法(物理涂层法)在硬质合金母材表面覆膜涂层。一般来说因为比CVD法(化学涂层法)处理温度低、具有涂层引起的劣化层少,抗弯强度又不降低的特征,在铣削、钻孔等加工中可实现长寿命稳定加工。

硬质合金

黑红色

灰铸铁 硬度120–290HB(<32HRC), HT250 GG15, GG25, GG30, GG40, GTW40;
低-中强度延性铁 (球墨铁)和蠕墨铸铁(CGI) 硬度130–260HB(<28HRC), GGG40, GTS35;QT250 ,QT450,QT600;
高强度延性铁和奥氏体回火处理延性铁(ADI) 硬度180–350HB(<43HRC), GGG60, GTW55, GTS65;
低碳钢，短切屑，易切钢C<0.25%，硬度<125HB，C15, Ck22, ST37-2, S235JR, 9SMnPb28, GS38；
中碳钢和高碳钢C>0.25%，硬度<220HB(<25HRC),ST52, S355JR, C35, GS60, Cf53;
合金钢和工具钢C>0.25%，硬度<330HB(<35HRC),16MnCr5, Ck45, 紧固件用合金钢21CrMoV5-7, 高硫中碳易切削钢38SMn28,40MnB,20MnCr5,55#钢;
合金钢和工具钢C>0.25%，硬度340-450HB(35-48HRC),轴承钢100Cr6, 调质钢30CrNiMo8, 齿轮钢42CrMo4, 弹簧钢C70W2, 高速工具钢S6525, 高锰钢X120Mn12;

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