products

Cemented Carbide For Mining Purpose

Application

Tungsten Carbide For Mining Purpose

Grade

Density g/cm3

Hardness HRA

T.R.S

MP  a

Performance&application recomended

Approx Grades in China

ISO

MK4

15.1

90.0

1800

Mainly used as small buttons for percussion bits to cut soft and medium hard formation.

YG4C

K01~K05

MK6

14.9

90.5

2600

For coring crowns,electric coal drill bits,coal cutting picks,oil cone bits and scraping knife bits,used in geological prospection,coal mining  and oil well boring.

YK05

KK06H

K10

MK8

14.7

89.8

2800

Suitable 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

K20

MK10

14.7

89.0

2700

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 formatin

YG8C

ZD15

K20

MK15

14.6

88.0

2750

Suitable to strips,conical buttons for rotary percussion-resistance, geological prospecting buttons,cut soft and medium hard formations.

YK15

YG9C

K20~K30

MK20

14.5

87.5

2800

Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations.

     
      YK20
      YG10C

 
K30

MK30

14.4

 87.0

 2850

Largely for the inserts and buttons of percussion bits and tricone bits to cut medium-hard,hard and very hard formations.

 YG11C

 K20~K30

MK40

14.2

86.0

2900

Predominatly for the buttons of tricone bits and inserts of rotary percussion bits to cut hard and very hard  formations.

   
     
YK40
    YG13C

K40

 
MK50

 
14.0


 
85.0

 
3000

For oil cone drill bits,for medium soft and medium-hard rockss.

 
YG15C

 
K40

MK60

14.0

87.0

3000

Good strength and less wear resistance,for bits of rotary hammer rock drills and heavy rock drills,for hard but very hard rocks.

YG15

K40

Other grades and size can be offered as per customers¡¯requirements