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Nom | Composition chimique(%) | ||||||||||||||
C | Si | Mn | Cr | Mo | Cu | P | S | ||||||||
Les balles de meulage à haut chrome normal | 2.0-3.3 | ≤1.2 | 0.3-1.5 | 10-13 | 0-3.0 | 0-1.2 | ≤0.1 | ≤0.06 | |||||||
Les balles de meulage à haut chromespécial | 2.0-3.3 | ≤1.2 | 0.3-1.5 | 10-13 | 0-3.0 | 0-1.2 | ≤0.1 | ≤0.06 |
Nom | Dureté de surface(HRC) | Shock Value(J/cm2) | Microstructure | Times of Falling Balls | Impact de balle tomber | ||||
Normal High Cr | ≥60 | ≥4 | M+C+A | ≤Φ80 | ≥15000 | ||||
≤Φ80 | ≥10000 | ||||||||
M-martensite C-carbure A-austénite |
Taille(mm) | Unique poids(kg) | Quantité(pc/t) | Taille(mm) | Unique poids(kg) | Quantité(pc/t) | ||||
Φ30 | 0.11 | 9091 | Φ90 | 2.90 | 345 | ||||
Φ40 | 0.25 | 3891 | Φ100 | 4.00 | 250 | ||||
Φ50 | 0.50 | 2000 | Φ110 | 5.30 | 188 | ||||
Φ60 | 0.86 | 1153 | Φ120 | 6.80 | 147 | ||||
Φ70 | 1.37 | 729 | Φ130 | 7.70 | 129 | ||||
Φ80 | 2.05 | 487 | Φ140 | 8.74 | 114 |
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