ITEMS |
BRAND |
SURFACE HARDNESS |
ENDURANCE IMPACT TEST ( TIMES ) |
QUENCHED |
UNQUENCHED |
HIGH CHROME CASTING IRON BALL |
ZBCr26 |
≥56 |
≥45 |
≥8000 |
HIGH CHROME CASTING IRON BALL |
ZBCr20 |
≥56 |
≥45 |
≥8000 |
HIGH CHROME CASTING IRON BALL |
ZBCr15 |
≥56 |
≥49 |
≥8000 |
MIDDLE CHROME CASTING IRON BALL |
ZBCr8 |
- |
≥48 |
≥8000 |
LOW CHROME CASTING IRON BALL |
ZBCr2 |
- |
≥45 |
≥8000 |
BAINITE DUCTILE CASTING IRON BALL |
ZBSi3 |
≥50 |
- |
≥8000 |