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56~60HRC Chrome Alloyed Ball Mill Liner Plates powder grinding mill Liner Plate
C | Si | Mn | Cr | Cu | Mo | P | S |
0.25~0.9 | 1.25~1.95 | 0.4~1.2 | 1.2~1.9 | 0.25~0.75 | 0.2~0.7 | < 0.04 | < 0.035 |
Initial Hardness | 48~52HRC |
Hardness after Hardening | 56~60HRC |
Thickness of Impact Hardening Layer | 10~18mm |
Impact Absorbing Energy | KN2 120J~160J |
Yield Strength | 800~1000Mpa |
Metallgraphic Structure | Bainite+Retained Austenite |