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M22 Type Tungsten Carbide Buttons pellets Fine Grinding Coal Mining Tools

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M22 Type Tungsten Carbide Buttons pellets Fine Grinding Coal Mining Tools

Brand Name : PM

MOQ : 10

Payment Terms : L/C, T/T

Supply Ability : 200t/month

Delivery Time : 1-20 working days

Type : Power Tool Parts,Construction Tool Parts,Mining Drill Bits,Hand Tool Parts

Material : 100% Virgin Tungsten Carbide

Application : Drilling,Rock Drills,Oil Cone Drill Bits,anti-corrosion,Suitable for making oil-field and mining drill bits

Grade : G206,G506,G208,G308,G211,G215,G510,G512,G513,G707,G806

Product name : Milling bits,Mining teeth,tungsten carbide piece,Drill Bit Inserts Cemented Tungsten Carbide Dome Buttons

Advantage : Wear Resistant,Wear ResistantSuperior,High Performance

Color : Gray,black alloy

Sample : carbide button samples available

Keywords : tungsten carbide button tungsten carbide teeth tungsten carbide tip,tungsten carbide spherical button,tungsten carbide mining teeth

Hardness : HRA89-HRA92.9,87 HRA,85-89.5 HRA

Surface treatment : Finish Grounded,Ground and Polished

Commodity name : Power Tool Parts,Carbide buttons,High Quality Tungsten Carbide Punch Balls

Process : sinter-HIPed,powder prepraring-pressing-sintering-processing-finishing

Shape : spherical,flattop,conical,Auger tips,bolistic

Density : 14.05-14.95 g/cm3,14.14 g/cm3,13.90-14.90

Features : High hardness

Feedback : within 24 hours

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Cemented carbide for coal-mining tools M22 type

Grade Introduction of Mineral
Grade Co Grain Size of WC Hardness Density Flexural Strength Bending Tough- ness Elastic
Modulus		 Coeffi-
cient of Thermal Expan- sion		 Application
Co% HRA HV30 g/cm3 MPa N/mm2 GPa 10-6/°C
G206 6 Medium 90.8 1500 14.9 3200 　 530 4.9 Suitable for DTH drilling with high wind pressure
G506 6 Coarse 88.0 1200 14.9 2500 　 530 4.9 Suitable for gear shaper cutting of concrete and
asphalt road
G208 8 Medium 89.1 1300 14.7 2750 　 510 5.1 Suitable for DTH drilling with medium and low
wind pressure,and rock breaking
G308 8 Medium 88.8 1270 14.7 2750 　 510 5.1 Suitable for tri-cone drill bit in milling, and tri-cone
G211 11 Medium 88.0 1200 14.4 2800 　 478 5.6 tri-cone drill bit in milling,
drill bit in engineering
G215 15 Medium 86.8 1100 14 2800 　 430 6.3 Suitable for oilfield composite sheet
G510 10 Coarse 86.2 1040 14.5 2700 　 490 5.4 Suitable for rotary drilling cutter, and coal cutters
G512 12 Coarse 86.0 1030 14.3 2900 　 470 5.7 Suitable for tunnel boring machine of scraper,cut-
ter and wear plate
G513 13 Coarse 85.6 1000 14.2 2900 　 460 5.8 Suitable for tunnel boring machine of scraper,cut-
ter and wear plate
G707 7 Extra
Coarse		 86.3 1050 14.8 2200 　 520 5 Suitable for hard rock in engineering, and DTH
drilling cutter
G806 6 Extra
Coarse		 86.2 1040 14.9 2100 　 530 4.9 Suitable for high rock of rotary drilling cutter

M22 Type Tungsten Carbide Buttons pellets Fine Grinding Coal Mining Tools

Hunan Boyun Dongfang Powder Metallurgy Co., Ltd. was founded in 1994 by the Institute
of powder metallurgy of Central South University of Technology (now the research center
of powder metallurgy engineering of Central South University) and Hunan Yinzhou Co.,
Ltd. (now the wholly-owned member company of China Dongfang asset management
company, Bangxin Asset Management Co., Ltd.),now it is the holding subsidiary of
Hunan Boyun New Material Co., Ltd. (Stock Code: 002297), with a registered capital
of 60 million yuan.The company is a national high-tech enterprise with Academician
Huang Boyun, the top material scientist in China, as the chief scientist and honorary
chairman of the board, integrating domestic and foreign talents and technological
advantages, integrating production, learning, research and application, engaged in the
research, development, production and sales of high-performance cemented carbide.
The member of China Tungsten Industry Association, China mold industry association,
China machinery industry metal cutting tool technology association.
With strong support from Central South University, State Key Laboratory of
Powder Metallurgy, National Engineering Research Center of Powder Metallurgy,
Quality Supervision and Inspection Center of Powder Metallurgy Products of
Chinese Nonferrous Material Industry , the Company has played leading role in
three projects of “National High Technology Research and Development Program
(863 plan)”.


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