tungsten carbide mining tools,coal drill bits,rock drill bits
USD $45 - $99 /Kilogram
Min.Order:10 Kilograms
Zhuzhou Mingri Cemented Carbide Co., Ltd.
1.tungsten carbide mining tools/coal drill bits/rock drill bits/carbide bottom/bits/carbide bur drill
2.100% raw materials
3.Quality assurance;
4.Favorable price;
5.Full sizes;
We are the one of leading manufacturers in zhuzhou city, which is the hometown of tungsten carbide .We specialize inseries of tungsten carbide products, such as cold forging die cores, brazed tips, disc cutters, plates and boards, saw tips, round rods, rock drilling bits and buttons, milling tools, geological exploration drill
tools and so on. Our production are exported to UK, European, Japan, Taiwan and South-east Asia etc. And we have passed ISO 9001:2000in the year of 2003 .
1.Propeties & applications of Tungsten carbide for mining purpose | |||||||||||
Grade | Performance & application recommended | Approx Grades in China | |||||||||
Density | T.R.S | Hardness | |||||||||
g/cm3 | MPα | HRA | |||||||||
MK4 | 15.1 | 1800 | 90.0 | Mainly used as small buttons for percussion bits to cut soft and medium hard formations. | YG4C | ||||||
MK6 | 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. | YG6 | ||||||
MK8 | 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. | YG8 | ||||||
MK10 | 14.7 | 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. | YG8C | ||||||
MK15 | 14.6 | 2450 | 87.8 | Suitable to strips, conical buttons for rotary percussion-resistant, geological prospecting buttons, cut soft and medium hard formations. | YK15 YG9C | ||||||
MK20 | 14.4 | 2550 | 87.0 | Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations. | YK20 YG10C | ||||||
MK25 | 14.5 | 2600 | 87.5 | Primarily for the buttons and inserts of rotary percussion bits to cut medium hard and very hard formations. | YK25 | ||||||
MK30 | 14.4 | 2600 | 87.0 | Largely for the inserts and buttons of percussion bits and tricone bits to cut medium-hard, hard, and very hard formations. | YG11C | ||||||
MK40 | 14.2 | 2650 | 86.5 | Predominatly for the buttons of tricone bits and inserts of rotary percussion bits to cut hard and vey hard formations. | YK40 YG13C | ||||||
MK50 | 14.0 | 2700 | 86.5 | For oil cone drill bits, for medium soft and medium -hard rocks. | YG15C | ||||||
MK60 | 14.0 | 2500 | 87.5 | Good strength and less wear resistance, for bits of rotary hammer rock drills and heavy rock drills, for hard and very hard rocks. | YG15 | ||||||
Other grades may be offered by customers' requirements |