... 150MM 2.HARDNESS:55-65 3.APPLIED FIELD: MINES, CEMENT PLANTS, POWER STATIONS,CHEMICAL Grinding steel ... B.HARDNESS:55-65 C.APPLIED FIELD: MINES, CEMENT PLANTS, POWER STATIONS,CHEMICAL INDUSTRIE...2 ... 150MM B.HARDNESS:55-65 C.APPLIED FIELD: MINES, CEMENT PLANTS, POWER STATIONS,CHEMICAL INDUSTRIE D ... WEAR RESISTANCE,EVEN WEARING. F.APPLIED FIELD: MINES, CEMENT PLANTS, POWER STATIONS,CHEMICAL INDUSTRIES...3. ...