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Grade | Tungsten Carbide particle accumulation rate | Nickel /silver (copper)accounted for | Hardness HRA≥ | T.R.S n/mm | ||||
AT20 | 65%-70% | 30%-35% | 88 | 1650 |
Carbide particle size diameter size (mm) | Threaded diameter D(mm) | The length of the electrode L(mm) | ||||||||
1.6-3.2 | 12/14/16/22 | 280/350/450 | ||||||||
3.2-4.8 | ||||||||||
4.8-6.4 | ||||||||||
6.4-8.0 | ||||||||||
8.0-9.5 |
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