Materiaal |
Chemische elementen | Hardheid | |||||
C | SI | MN | S | P | CR |
HRC |
|
Speciale CR1 | 2.0-3.0 | <1.0 | 0.5-2.0 | ≤0.06 | ≤0.08 | >20 | 58-64 |
Speciale CR2 | 2.0-3.0 | <1.0 | 0.5-2.0 | ≤0.06 | ≤0.08 | >15 | 58-64 |
Hoge CR | 2.0-3.2 | <1.0 | 0.5-2.5 | ≤0.06 | ≤0.08 | >10 | 58-62 |
Gemiddelde CR | 2.0-3.2 | <1.0 | 0.5-2.5 | ≤0.06 | ≤0.08 | ≥5 | 45-48 |
Lage CR | 2.2-3.4 | ≤1.2 | 0.5-1.5 | ≤0.06 | ≤0.08 | 1.0-1.5 | 42-46 |
Fysieke eigenschappen en microstructuur |
|||||
Naam | HRC | AK (J/cm 2 ) | Microstructuur | Tijden van vallende ballen | |
Lage CR-ballen | ≥45 | ≥2.5 | P+C | ≥10000 | |
Middelgrote CR-ballen | ≥48 | ≥3.0 | P+C | ≤Φ80 | ≥15000 |
≥Φ80 | ≥10000 | ||||
Hoge CR-ballen | ≥58 | ≥4 | M+C+A. | ≤Φ80 | ≥15000 |
≥Φ80 | ≥10000 | ||||
M-Martensite P-Pearliet C-Carbide A-austeniet |
Formaat (mm) |
Gewicht (kg/st) | Aantal (pc/t) |
|
Formaat (mm) | Gewicht (kg/st) | Aantal (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 | 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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