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Grade | Cobalt Content % | Hardness(HRA) ±0.5 | Grain Size(um) | Application Fields |
RK06SC | 6 | 87.5 | 4.0 | Suitable for deep milling-planing of asphalt pavement and cold-recycling processing on pavement |
RK06SA | 6 | 88.2 | 3.2 | Suitable for cold milling-planing of asphalt pavement and milling-planing of cement pavement |
YG11C | 11 | 87.0 | 3.2 | 1.Suitable for making rotary digging tools;suitable for construction of medium-hard rock and soil layer of certain thickness in sand, cohesive soil and silty soil; 2.Suitable for cutting teeth of coal cutter and mining the coal layer with little coal gangue and interlayer of certain thickness. 3. Drilling tips chisel inserts are suitable for drilling hard and extremely hard rock layers. |
RK08SC | 8 | 86.5 | 4.0 | 1.Suitable for cutting teeth of rotary excavation and boring and coal seam mining,soft rock construction; 2.Suitable for groove excavation tools, used for excavation of road with a small amount of stones. |
RK08TC | 8 | 85.8 | 6.0 | 1.Suitable for coal mining in various working conditions, roadway boring and tunnel boring, tunneling in complex rock layers and tunneling; 2.Suitable for rotary excavation in bad rock formation conditions. |
RK10SC | 10 | 85.8 | 4.0 | 1.Suitable for making rotary excavation and drilling tools; suitable for construction of soil layers with small amount of stones such as sand, clay and silty soil. 2.Suitable for cutting tips of coal cutter, mining the coal seams with many interlayer rock conditions; 3.Suitable for cutting tips of roadway boring, medium-soft and hard rock interlayer containing a small number of large rocks; 4.Suitable for complex road trench excavation tools, used for excavation of the road containing many stones. |