Road repair tools
This super coarse grain carbide meets all requirements for road digging machines, and is mainly applied in repairing the blacktop or the cement pavement.
| Grade | Co.content （%） |
Hardness （HRA） |
Density (g/cm3) |
Bending strength （N/mm2） |
Particle size | Application |
| DD01SA | 6 | 88.2 | 14.92 | 2500 | Supper coarse | Good toughness and wear-resistance, used as cement pavement road-cutter bits. |
| DD01SC | 6 | 87.8 | 14.92 | 2200 | Supper coarse | Good toughness and wear-resistance, used as asphalt road cutter bits. |
| DD05SC | 6.3 | 87.5 | 14.87 | 2200 | Supper coarse | Good toughness and wear-resistance, used as asphalt road cutter bits. |
| DD30C | 10.5 | 86 | 14.4 | 2300 | Supper coarse | Good toughness and thermal fatigue, used for mining, coal cutter, boring machine and rotary drilling rig. |
Special carbide can be produced as per customer’s request.
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