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Grade | CBN Content | Machining Mode | Workpiece Material | Application |
UBN S1 | 90% | Interrupted Continuous | Grey cast iron Rough/semi-finish | Roll, surfacing roll repairing, mining machinery, large gear and etc. |
UBN S2 | 70% | Interrupted Continuous | Hardened steel Rough/semi-finish | Wind powder bearing, crankshaft, mining machinery, automobile gear and etc. |
UBN S3 | 50% | Interrupted Continuous | Hardened steel semi-finish/finish | Crankshaft, drive shaft and etc. |
UBN S4 | 60% | Interrupted Continuous | Hardened steel semi-finish/finish | Gear, shaft and etc. |
UBN S5 | 75% | Interrupted Continuous | Hardened steel semi-finish/finish | Wind powder bearing, gear for mining machinery, gear for automobile. |


Grade | CBN Content | Machining Mode | Workpiece Material | Application |
UBN X2 | 85% | Interrupted Continuous | Cast iron hardened steel semi-finis /finish | Automobile brake disc, engine cylinder block, cylinder liner, gear, bear and etc. |
UBN X3 | 92% | Interrupted Continuous | Cast iron | Automobile brake disc, engine cylinder block, cylinder liner, gear, bear and etc. |
UBN X5 | 85% | Interrupted Continuous | Borron copper/cast iron semi finish/ finish | Cylinder liner |


Grades | CBN Content | Machining Mode | Workpiece Material | Application |
UDI Q | Special ingredients | Continuous | Bane of ductile iron | Be mainly applied for components such as crankshaft, camshaft, cylinder liner and and engine case for automobile, tractors, heavy duty machinery, internal combustion engine and etc, medium-pressure valve for general machinery, which are under complex conditions, and have high requirements for strength,toughness and wear resistance at the same time. |



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