Diameter(mm) | ||||||||||||||||
Φ8*10 | Φ10*12 | Φ12*14 | Φ14*16 | Φ16*18 | Φ18*20 | 20*25 | 30*35 | Φ35*40 | ||||||||
Chemical Composition | ||||||||||||||||
Item | Designation | C | Si | Mn | Cr | Mo | P | S | ||||||||
High chrome grinding cylpebs | ZQCr10 | 1.8-3.2 | 0.2-1.2 | 0.2-1.0 | >10~14 | ≦1.0 | ≦0.1 | ≦0.08 | ||||||||
Properties and Microstructure | ||||||||||||||||
Item | Designation | Hardness(HRC) | Impact Value(J/cm²) | Micro-structure | Times of falling Balls | |||||||||||
High chrome grinding cylpebs | ZQCr10 | ≧58 | ≧4.0 | M+C | ≧15000 | |||||||||||