Hunan Jetvision Industrial CO.,LTD

Grade

Density

T.R.S

Hardness

Performance & application recommended

Approx Grades

in China

g/cm3

MPα

HRA

MK4

15.1

1800

90

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

YG4C

MK6

14.9

2100

90

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

MK6

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

MR06H

15

3000

90.5

Good strength and less wear resistance, for bits of rotary hammer rock drills and heavy rock drills,

for hard and very hard rocks.

YK05, KK06H

MK15

14

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

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

14.7

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

Primarily for the buttons and inserts of rotary percussion bits

to cut medium-hard and hard formations.

YG20/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

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

2700

86.5

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

YG15C