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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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