Grades, Properties and recommended   application for Mining

Grade

Physical and mechanical properties

Applications recommended

Density                 g/cm³

Hardness No Less Than         HRA(HV)

TRS   No Less Than     (Mpa)

YK05

14.95

90.1

2900

Mainly   for making cemented carbide buttons of   medium and small sizes for drilling soft & Medium hard rock   formations, also for making cemented carbide inserts for other drill bits.

YK10

14.74

88.4

2710

Mainly   for making cemented carbide buttons of   medium and small sizes for drilling soft & Medium hard rock   formations, also for making cemented carbide inserts for other drill bits.

YK15.1

14.71

88

2700

Mainly   for making cemented carbide buttons of   medium and small sizes for drilling soft & Medium hard rock   formations, also for making cemented carbide inserts for other drill bits.

YK20.1

14.57

87.7

2900

Mainly   used for making cemented carbide buttons for drilling medium hard and hard rock   formations, also for making inserts for other drill bits.

YK20

14.52

87.3

2800

Mainly   used for making cemented carbide buttons for drilling medium hard and hard   rock formations, also for making inserts for other drill bits.

YK25

14.52

87

2700

Mainly   used for making cemented carbide buttons for drilling medium hard and hard   rock formations, also for making inserts for other drill bits.

YK25.1

14.53

87.5

2800

Mainly   used for making cemented carbide buttons for drilling medium hard and hard   rock formations, also for making inserts for other drill bits.

YK40

14.23

86.4

2850

It   is mainly used for making cemented carbide bottoms for drilling medium hard   and hard rock formations and it can also be used for making inserts for other   drill bits.

YK50

14.02

85.5

2860

It   is mainly used for making cemented carbide buttons for drilling medium hard and   hard rock formations and it can also be used for making inserts for other   drill bits.

Grades, Properties and recommended   application in oil field

Grade

Physical and mechanical properties

Applications recommended

Density                g/cm³

Hardness No Less Than         HRA(HV)

TRS   No Less Than     (Mpa)

YG8C

14.71

88

2700

Mainly   for making cemented carbide buttons of   medium and small sizes for drilling soft & Medium hard rock   formations.

YG11C

14.35

87

2850

Mainly   used for making cemented carbide buttons for drilling medium hard and hard   rock formations.

YG13

14.23

86.4

2850

Mainly   used for making cemented carbide buttons for drilling medium hard and hard   rock formations.

YG15C

14.02

8505

2860

Mainly   used for making cemented carbide buttons for drilling medium hard and hard   rock formations.

Grades, Properties and recommended   application in oil field

Grade

Physical and mechanical properties

Applications recommended

Density                 g/cm³

Hardness No Less Than         HRA(HV)

TRS   No Less Than     (Mpa)

YKH20

14.53

88.5

2950

For   making side cutting buttons of various tri-cone drill bits.

YKH50

14.1

87

3000

For   making main cutting buttons of various tri-cone drill bits and serving as   supports for composite carbide diamond bits for drilling medium hard rock   formations.

YKH60

13.93

86.3

2850

For making main cutting buttons of various tri-cone drill bits and serving as supports for composite carbide diamond bits for drilling hard and harder rocker formations.