Hubei Fotma Machinery Co., Ltd.
Hubei Fotma Machinery Co., Ltd. Tungsten, Molybdenum, Titanium, Tungsten Carbide and Investment Casting Products
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Tungsten Carbide Mining Drilling Tips/ Coal Auger Tips for Coal Mine Excavator / Coal Drilling
Tungsten carbide mining drilling tips are mainly known as tungsten carbide buttons. They are usually used in the drilling and percussion tools, which are drilled in soft, medium and hard formations. Thanks to the superior wear resistance and impact toughness of the carbide drilling tips, the speed of drilling and digging will be more faster than other same kinds products. The tungsten carbide milling drilling tips are widely used in open-pit mine for mining, quarry, water and electricity engineering, water well drilling, the support of excavation side column and so on.
The introduction of tungsten carbide mining drilling tips
There are some kinds ot the grade of the carbide drilling tips such as YG8, YG11, YG11C and so on. The drilling tips are pressed, extruded and sintered. The carbide drilling tips are widely used in the mining and oil field rock tools. Thanks to the hard metal performance, they are fitting for serving as drill heads of heavy rock-digging machinery, plumbun heads are used in deep hole drilling and rock drilling terrace vehicles.
The advantages of drilling tips
1. 100% raw materials
2. Different surface treatment and surface accuracy
3. Good welding performance
4. Strict quality control
Tungsten Carbide Mining Material Grades
| Grade | Density | T.R.S | Hardness | Performance & application recommended |
| (g/cm³) | N/mm² | (HRA) | ||
| YG4C | 15.1 | 1800 | 90.0 | Mainly used as small buttons for percussion bits to cut soft and medium hard formations. |
| YG6 | 14.9 | 2100 | 90.0 | For coring crowns, electric coal drill bits, coal cutting picks, oil cone bits and scraping knife bits, usd in geological prospecting, coal mining and oil well boring. |
| YG8 | 14.7 | 2400 | 89.5 | For coring crowns, electric coal drill bits, coal cutting picks, cone drill bits and scraping knife bits, used in geological prospecting, coal mining and oil well boring. |
| YG8C | 14.8 | 2450 | 88.5 | Mostly used as the buttons of small and mediumsized percussion bits and as the inserts of rotary prospecting bits to cut soft and medium hard formations. |
| YK15 | 14.6 | 2450 | 87.6 | Suitable to strips, conical buttons for rotary percussion-resistant,geological prospectioin buttons, cut soft and medium hard formation. |
| YK20 | 14.4 | 2500 | 86.8 | Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and very hard formations. |
| YK25 | 14.4 | 2550 | 87.2 | Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and very hard formations. |
| YG11C | 14.4 | 2700 | 86.5 | Largely for the inserts and buttons of percussion bits and tricone bits to cut medium-hard, hard and very hard formations. |
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